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WO2021027667A1 - Multi-fire clip applier and apparatus preventing multi-fire clip applier from automatically retreating - Google Patents

Multi-fire clip applier and apparatus preventing multi-fire clip applier from automatically retreating Download PDF

Info

Publication number
WO2021027667A1
WO2021027667A1 PCT/CN2020/107299 CN2020107299W WO2021027667A1 WO 2021027667 A1 WO2021027667 A1 WO 2021027667A1 CN 2020107299 W CN2020107299 W CN 2020107299W WO 2021027667 A1 WO2021027667 A1 WO 2021027667A1
Authority
WO
WIPO (PCT)
Prior art keywords
hole
groove
shaft
rod
clip applier
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2020/107299
Other languages
French (fr)
Chinese (zh)
Inventor
黄皆澔
詹菲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201910732770.8A external-priority patent/CN110432946B/en
Priority claimed from CN201910733751.7A external-priority patent/CN110432947B/en
Application filed by Individual filed Critical Individual
Publication of WO2021027667A1 publication Critical patent/WO2021027667A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/12—Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or umbilical cord
    • A61B17/128—Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or umbilical cord for applying or removing clamps or clips

Definitions

  • the invention relates to the technical field of medical equipment and equipment, in particular to a continuous hair clip applier and a device for preventing the continuous hair clip applier from automatically retreating.
  • the clip applier is a commonly used medical device, usually used in surgical operations, used to clamp blood vessels, play a hemostatic effect, also called hemostatic forceps.
  • the pliers heads of the existing continuous hair clip applier cannot hold the closing clip stably, which easily causes the closing clip to fall off, and the conveyor that pushes the closing clip is prone to retreat, causing the closing clip placed in the storage bin to become loose and The retreat affects the continuous use of the continuous hair clip applier.
  • a continuous hair clip applier and a device for preventing automatic relocation of the continuous hair clip applier includes a push handle, a pipe rod and a clamp head installed at the front end of the pipe rod, and also includes a feeding device, a push-pull rod, and a feeding device arranged in the pipe rod.
  • the feeding device includes a conveying member and a driving member that pushes the conveying member to move; a shaft is provided at the proximal end of the pipe rod, and the shaft is used to fix the clamp head, and the conveying member It is provided with a strip-shaped through groove, the groove walls on both sides of the strip-shaped through groove are provided with at least a pair of protruding anti-return clip buckles, and both ends of the shaft are fixed to the pipe rod after passing through the strip-shaped through groove ,
  • the end diameter of the anti-return clip is smaller than the diameter of the shaft, and the shaft is elastically clamped between the two anti-return clips after the transmission member pushes the closing clip to prevent The transfer is returned.
  • the storage bin includes a front bin and a rear bin
  • the front bin extends to the opening of the pliers head
  • the connection between the front bin and the rear bin is provided with an upper lip and a lower lip
  • the upper lip and the lower lip are respectively arranged on the upper part and the lower part of the front cabin, and are spaced from the top and bottom of the front cabin, and the left and right sides of the rear cabin have strip-shaped sides
  • the front bin and the rear bin are integrally formed, and the rear end of the rear bin is threadedly connected to the front end of the push-pull rod.
  • the pliers head includes a pair of opposing pliers arms, the inner side of the pliers arms is provided with a guide groove, the guide groove is configured as an extension of the front compartment, and the anti-drop hole is provided in the guide groove Near the top end of the bottom, the outer side of the closing clip is provided with a protruding column.
  • the transmission member pushes the closing clip to slide into the guide groove from the opening of the front compartment, and the closing clip opens under its own tension to make the outer side of the closing clip The protruding post of the wall is clamped in the anti-drop hole.
  • the conveying member includes a top rod and a hollow cavity, the hollow cavity contains the push-pull rod, and both sides of the front end of the hollow cavity have side strips extending along the axial direction of the hollow cavity.
  • the side strips pass through the side grooves;
  • the top rod is connected to the top end of the side strips, the strip-shaped through groove extends along the length direction of the top rod, the anti-return clip Are arranged in pairs, and the anti-return clip buckles extend from the inner side wall of the bar-shaped through groove and extend along the conveying direction of the closing clip;
  • the top end of the anti-return clip buckle is provided with a protrusion, the The protrusion points to the inside of the bar-shaped through groove, and the distance between the two opposite protrusions is smaller than the diameter of the shaft.
  • the pliers arm includes a flat mounting portion, and the two mounting portions are respectively provided in the interval between the upper lip and the lower lip and the front compartment, and the pliers tail has a shaft hole And an oblique hole, the shaft hole is pierced with the shaft, a pair of the oblique holes are respectively provided at the rear ends of the two mounting parts, and intersect from the outside to the inside, the oblique holes pass through With rotating shaft.
  • the front bin has a long through hole and a round hole, the long through hole extends along the length of the front bin, and the shaft is penetrated through the strip through slot of the conveying member, the front bin
  • the long through hole of the shaft and the shaft hole of the mounting part, the two ends of the shaft rod are respectively fixedly connected to the upper and lower side walls of the pipe rod; the rotation shaft penetrates the strip of the transmission member The two ends of the rotating shaft are respectively fixedly connected to the upper lip and the lower lip.
  • the driving member includes a gear assembly
  • the gear assembly includes a gear and a wheel handle far away from the gear
  • the rear end of the transmission member has a tooth stripe
  • the push handle is connected to a mounting tube
  • the mounting tube A rack groove is opened corresponding to the position of the tooth stripe, and the gear extends into the gear groove and meshes with the tooth stripe
  • the gear assembly is mounted on the mounting pipe through a fixed shaft and a safety shaft The gear assembly rotates around the fixed shaft, and the safety shaft is used to lock or open the gear assembly.
  • the gear assembly has a first fixing hole and an arc-shaped through hole, and the arc-shaped through hole is in the same direction as the gear and is arranged between the gear and the first fixing hole;
  • the two sides of the gear groove respectively extend outwardly with fixing pieces, the gear assembly is arranged between the two fixing pieces, the fixing piece has a second fixing hole and a safety hole, and the position of the second fixing hole corresponds to The position of the first fixing hole and the position of the safety hole correspond to the position of the arc-shaped through hole;
  • a fixing shaft is penetrated in the first fixing hole and the second fixing hole, and the gear assembly
  • the fixed shaft is used as a shaft to rotate;
  • the safety hole and the arc-shaped through hole are provided with a safety shaft, and when the gear assembly rotates, the arc-shaped through hole passes through the safety hole when rotating.
  • the safety shaft includes an elastic member, a base and a shaft pin disposed oppositely, the shaft pin is threadedly fixed in the base, and both the shaft pin and the outer top end of the base have protruding edges,
  • the elastic member is arranged between the base and the fixing member.
  • a plurality of closing clips are placed in the front compartment, the rear end of the push-pull rod is connected to the push handle and moves under the push of the push handle, and the front end of the push-pull rod is movably connected to the push handle.
  • the rear end of the rear compartment, the front end of the front compartment is connected to the clamp head, and the clamp head is opened or closed; the transmission member extends into the front compartment, and the top end of the transmission member has A groove, the groove is clamped on the protrusion at the rear end of the closing clamp, and the closing clamp is sequentially pushed to the pliers head.
  • a device for preventing automatic relocation of a continuous hair clip applier includes a pipe rod and a clamp head mounted on the front end of the pipe rod, a push-pull rod, a feeding device, and a storage device.
  • a material compartment is equipped with a plurality of closure clamps for clamping blood vessels
  • the automatic repositioning device includes a top rod, a first plug and a second plug, and the top rod is connected to the front end of the feeding device
  • the ejector rod is provided with a through groove, and the two plugs respectively pass through the clamp head and the storage compartment and then penetrate into the through groove, and the two plugs serve as pivots for the clamp head to open or clamp.
  • the groove walls on both sides of the through groove are respectively provided with at least a pair of cavities, the cavity walls of the cavities are convexly provided with anti-return clips extending along the feeding direction, and each pair of the cavities is
  • the center lines of the through grooves are symmetrically arranged, the diameter of the two plugs is smaller than the width of the through groove and greater than the width between the free front ends of the two anti-return clips, and the ejector rod extends into the storage compartment
  • the closing clip is pushed into the clamp head, and the plug is elastically clamped between the two anti-return clamps after the ejector pin pushes the closing clip to prevent the ejector pin from retreating.
  • the cavity is a groove parallel to the through groove and penetrated inwardly opened on the two groove walls of the through groove, and the anti-return clip has the free front end near the pliers head and away from the pliers. At the rear end in the head direction, the front end protrudes outward from the through groove, and the rear end is used to provide elasticity while avoiding the plug.
  • the cavity has two pairs, and the distance between the two pairs of cavity is close to the length of the closing clip.
  • the front end of the pipe rod is provided with a pipe rod mounting part
  • the pipe rod mounting part is provided with a through hole
  • the storage compartment is provided with a long narrow hole and a round hole
  • the clamp head includes a pair of pliers Arm
  • a pair of opposite inner sides of the clamp arms are respectively provided with an axially extending oblique groove
  • the oblique groove communicates with the storage compartment, so that the closing clip enters the oblique groove under the pushing of the feeding device
  • the rear end of the arm is respectively provided with a shaft hole and an oblique hole
  • the first plug is inserted into the through hole, round hole and the oblique hole
  • the second plug is inserted into the elongated hole and the shaft hole to
  • the front end of the pipe rod is connected with the pliers arm, and the pliers head is moved around the first plug to produce a shearing action or a clamping and unclamping action.
  • the storage compartment has a front compartment and a rear compartment, and the front end of the rear compartment extends forwardly with an upper lip and a lower lip that are parallel to each other and spaced up and down, and the upper lip and the lower lip are provided with the A round hole, the length of the first plug is the same as the distance between the upper lip and the lower lip, and the end of the clamp head is clamped between the outer wall of the front cabin, the upper lip and the lower lip, and passes through the first plug It moves in the circular hole to drive the clamp head to open or clamp.
  • the anti-return fastener is an elastic sheet or elastic strip, and the elastic sheet or elastic strip is parallel to the feeding direction.
  • the depth of the cross-sectional direction of the cavity is the same as the thickness of the elastic sheet or strip.
  • the distance between the first pair of cavities and the second plug is close to the length of the closing clip, and the length of the penetrating groove is close to the length of the storage compartment.
  • the distance between the round hole and the front end of the front compartment is not less than the length of the two closing clips.
  • the elongated hole has an extension of a predetermined length along the feeding direction.
  • the shaft and the rotating shaft pass through the bar-shaped through groove of the conveying member, and the protrusion at the top end of the anti-return clip in the bar-shaped through groove It has a blocking effect on the shaft and the rotating shaft, so that the transmission member cannot easily move in the reverse direction after moving in the direction of the pliers head, and prevents the transmission member from retreating.
  • the safety shaft locks the position
  • the driving member prevents the driving member from pushing the transmission member to move, which can prevent the transmission member from retreating during the normal use of the continuous hair clip applier, and can also prevent misoperation from causing the driving member to push the position.
  • the transmission member advances or retreats; the anti-drop hole is provided in the bottom of the guide groove of the clamp head, and the convex post on the outer side of the closing clamp is penetrated in the anti-drop hole, so that the clamp head can grasp the
  • the closing clip is not easy to fall off, the continuous hair clip applier can more stably grasp and release the hemostatic forceps, and the operation is more smooth.
  • the present invention has simple structure, easy realization, low cost and easy promotion.
  • Fig. 1 is a structural diagram of a continuous hair clip applier according to an embodiment of the present invention.
  • Fig. 2 is an exploded view of the structure of the continuous hair clip applier according to the embodiment of the present invention.
  • Fig. 3 is a cross-sectional view of a continuous hair clip applier according to an embodiment of the present invention.
  • FIG. 4 is a horizontal cross-sectional view of the jaws of the continuous hair clip applier according to the embodiment of the present invention.
  • Fig. 5 is a sectional view of the safety structure of the continuous hair clip applier according to the embodiment of the present invention.
  • Fig. 6 is a vertical sectional view of the jaws of the continuous hair clip applier according to the embodiment of the present invention.
  • FIG. 7 is a three-dimensional structural diagram of the continuous hair clip applier preventing automatic relocation of the continuous hair clip applier according to the embodiment of the present invention.
  • Fig. 8 is an exploded view of the three-dimensional structure of the device for preventing automatic reposition of the continuous hair clip applier according to the embodiment of the present invention.
  • Fig. 9 is a schematic cross-sectional view of a top view of the hemostatic closing clip installed in the automatic repositioning device for preventing continuous hair clip applier according to the embodiment of the present invention.
  • Fig. 10 is a schematic cross-sectional view of the structure in the front view direction of the hemostatic closing clip installed in the automatic repositioning device for preventing continuous hair clip applier according to the embodiment of the present invention.
  • Fig. 11 is a partial enlarged schematic view of the three-dimensional structure of the ejector rod of the automatic repositioning device for preventing continuous hair clip applier according to the embodiment of the present invention.
  • the continuous hair clip applier is taken as an example, and the present invention will be described in detail below with reference to specific embodiments and drawings.
  • FIG. 1 Please refer to Figure 1, Figure 2, Figure 3, Figure 4, Figure 5 and Figure 6, showing a continuous hair clip applier 100 provided by an embodiment of the present invention, including a push handle 10, a pipe rod 20 and installed on the pipe rod
  • the clamp head 30 at the front end of the 20 also includes a feeding device, a push-pull rod 60 and a storage bin 50 arranged in the pipe rod 20.
  • the feeding device includes a conveying member 41 and a driving member 42 that pushes the conveying member 41 to move.
  • the proximal end of the tube rod 20 is provided with a shaft 31, the shaft 31 is used to fix the pliers 30, the transmission member 41 has a bar-shaped through groove 411, two of the bar-shaped through groove 411
  • the side groove wall is provided with at least a pair of protruding anti-return clips 412, the shaft 31 passes through the bar-shaped through groove 411, and the two ends are fixed to the pipe rod 20.
  • the ends of the anti-return clip 412 The diameter is smaller than the diameter of the shaft 31, and the end diameter of the anti-return clip 412 is the radial or longitudinal distance between the ends of a pair of anti-return clip 412.
  • the shaft 31 is elastically clamped between the two anti-return clamps 412 after the transfer member 41 pushes the closing clamp, that is, between the elastic clamp and a pair of the anti-return clamps 412 In order to prevent the transfer member 41 from returning.
  • the side of the continuous hair clip applier close to the pliers head 30 is the front end, and the side opposite to the front end is the back end.
  • a plurality of closing clips are placed in the storage bin 50, the storage bin 50 is movably connected with the clamp head 30, and the front end of the push-pull rod 60 is connected to the rear end of the storage bin 50 , The rear end of the push-pull rod 60 is connected to the push handle 10, and the push handle 10 moves the storage bin 50 back and forth through the push-pull rod 60, thereby controlling the opening or closing of the clamp head 30;
  • the front end of the transmission member 41 extends into the storage bin 50, the rear end of the transmission member 41 and the driving member 42 are meshed with gears, and the driving member 42 pushes the transmission member 41 toward the The front end of the storage bin 50 moves, and the transfer member 41 pushes the closing clip in the storage bin 50 to the clamp head 30.
  • the storage bin 50 includes a front bin and a rear bin, the front bin extends to the opening of the clamp head 30, and the connection between the front bin and the rear bin is provided with an upper lip 52 and a lower
  • the lip 53, the upper lip 52 and the lower lip 53 are respectively arranged at the upper and lower parts of the front compartment, and are spaced apart from the top and bottom of the front compartment.
  • the side has a strip-shaped side groove, the front bin and the rear bin are integrally formed, and the rear end of the rear bin is screwed to the front end of the push-pull rod 60.
  • the pliers head 30 includes a pair of opposing pliers arms, the inner side of the pliers arms is provided with a guide groove, the guide groove is configured as an extension of the front compartment, and the anti-drop hole 33 is provided in the guide groove Near the top end of the bottom, the outer side of the closing clip is provided with a convex post.
  • the transmission member 41 pushes the closing clip to slide into the guide groove from the opening of the front compartment, and the closing clip is opened under its own tension to make the closing clip The convex post on the outer side wall is clamped in the anti-drop hole 33.
  • the closing clip is placed in the front compartment, and the transfer member 41 pushes the closing clip out from the opening of the front compartment.
  • the closing clip expands in a V shape under the action of its own tension to close the outer wall of the clip.
  • the convex post slides along the bottom of the guide groove toward the front end of the clamp head 30.
  • the convex post reaches the anti-drop hole 33, the convex post is clamped in the anti-drop hole 33 under the action of its own tension.
  • the clamp head 30 firmly grasps the closing clip, so that the closing clip is not easy to fall off.
  • the conveying member includes a top rod and a hollow cavity, and the push-pull rod 60 is placed in the hollow cavity. Both sides of the front end of the hollow cavity have side strips extending along the axial direction of the hollow cavity. The side strips pass through the side grooves; the top rod is connected to the top end of the side strips, the strip-shaped through groove 411 extends along the length of the top rod, and the anti-backlash
  • the clamps 412 are arranged in pairs, and the anti-return clamp 412 protrudes from the inner side wall of the bar-shaped through groove 411 and extends along the conveying direction of the closed clamp; the top end of the anti-back clamp 412 is provided There are protrusions, and the protrusions point to the inside of the bar-shaped through groove 411, and the distance between two opposite protrusions is smaller than the diameter of the shaft 31.
  • the protrusion is a semi-cylindrical body or a vertebral body, and the cylindrical or conical surface of the protrusion is
  • the pliers arm includes a flat mounting portion 34, and the two mounting portions 34 are respectively provided in the space between the upper lip 52 and the lower lip 53 and the front compartment, and the pliers
  • the tail has a shaft hole 310 and an oblique hole 311.
  • the shaft rod 31 is penetrated in the shaft hole 310.
  • a pair of the oblique holes 311 are respectively provided at the rear ends of the two mounting parts 34 and are directed from the outside. Inwardly intersecting, a rotating shaft 32 penetrates through the oblique hole 311.
  • the front compartment has a long through hole 51 and a round hole, the long through hole 51 extends along the length of the front compartment, and the shaft 31 passes through the strip through slot 411 of the conveying member 41 ,
  • the long through hole 51 of the front compartment and the shaft hole 310 of the mounting portion 34, the two ends of the shaft 31 are respectively fixedly connected to the upper and lower side walls of the pipe rod 20; the rotation The shaft 32 passes through the strip through slot 411 of the conveying member 41, the round hole of the front compartment, and the oblique hole 311 of the mounting portion 34, and both ends of the rotating shaft 32 are fixedly connected to the The upper lip piece 52 and the lower lip piece 53.
  • the length of the long through hole 51 is the same as the length that the push-pull rod 60 drives the storage bin 50 to move.
  • the rotating rod follows the storage bin 50.
  • the silo 50 moves to the rear end, the shaft rod 31 does not move with the movement of the storage silo 50, so that the rotating rod moves to the rear end of the mounting portion 34 in the oblique hole 311, so that The clamp head 30 is closed.
  • the anti-return clips 412 are arranged in pairs on the inner side wall of the bar-shaped through groove 411, and the number and interval of the anti-return clips 412 are the same as the closing clips provided in the storage bin 50.
  • the ejector rod moves a corresponding distance to the front end, and the shaft 31 passes through one of the protrusions at the top of the opposite pair of the anti-return clip 412 The protrusion hinders the retreat of the ejector rod.
  • the driving member 42 includes a gear assembly 421, the gear assembly 421 includes a gear and a wheel handle far away from the gear; the rear end of the transmission member 41 has a tooth strip 413, and the pushing handle 10 is connected to a mounting
  • the mounting tube 11 is provided with a rack groove corresponding to the position of the tooth stripe 413, and the gear extends into the gear groove and meshes with the tooth stripe 413; the gear assembly 421 passes through a fixed shaft 425 and a safety shaft are mounted on the mounting pipe 11, the gear assembly 421 rotates around the fixed shaft 425, and the safety shaft is used to lock or open the gear assembly 421.
  • the gear assembly 421 has a first fixing hole and an arc-shaped through hole, and the arc-shaped through hole has the same direction as the gear and is arranged between the gear and the first fixing hole;
  • the two sides of the gear groove respectively extend outwardly with fixing parts, the gear assembly 421 is arranged between the two fixing parts, and the fixing part has a second fixing hole and a safety hole.
  • the position of the second fixing hole is Corresponding to the position of the first fixing hole, the position of the safety hole corresponds to the position of the arc-shaped through hole; a fixing shaft 425 is penetrated in the first fixing hole and the second fixing hole, so
  • the gear assembly 421 rotates around the fixed shaft 425; the safety hole and the arc-shaped through hole are provided with a safety shaft.
  • the gear assembly 421 rotates, the arc-shaped through hole passes through the Mentioned insurance hole.
  • the safety shaft includes an elastic member 424, a base 422 and a shaft pin 423 disposed oppositely, the shaft pin 423 is threadedly fixed in the base 422, and the shaft pin 423 and the outer side of the base 422 The top ends have protruding edges, and the elastic member 424 is arranged between the base 422 and the fixing member.
  • the safety shaft is locked so that the driving member 42 cannot move, preventing the operation process Misoperation in.
  • the safety shaft is opened, and the gear assembly 421 is rotated, so that the transmission member 41 pushes the closing clamp to move to the pliers head 30.
  • the gear assembly 421 is marked with the position of the gear rotation. After the gear rotates by a corresponding arc, the transmission member 41 is moved a corresponding distance to the front end to push the closing clip out of the storage bin 50. .
  • a plurality of closing clips are placed in the front compartment, the rear end of the push-pull rod 60 is connected to the push handle 10 and moves under the push of the push handle 10, and the front end of the push-pull rod 60 It is movably connected to the rear end of the rear compartment, and the front end of the front compartment is connected to the pliers head 30 to open or close the pliers head 30; the transmission member 41 extends into the front compartment, The top end of the conveying member 41 has a groove, and the groove is clamped on the protrusion at the rear end of the closing clip, and the closing clip is sequentially pushed to the clamp head 30.
  • the shaft 31 and the rotating shaft 32 pass through the bar-shaped through groove 411 of the transmission member 41, and the anti-return clip in the bar-shaped through groove 411
  • the protrusion at the top of the buckle 412 has a blocking effect on the shaft 31 and the rotating shaft 32, so that the transmission member 41 cannot easily move in the reverse direction after moving in the direction of the pliers 30, and prevents the transmission member 41 from returning.
  • the safety shaft locks the driving member 42 so that the driving member 42 cannot push the transmission member 41 to move, which can prevent the transmission member 41 from being in normal use of the continuous hair clip applier.
  • Treatment can also prevent misoperation from causing the drive member 42 to push the conveying member 41 forward or backward;
  • the anti-drop hole 33 is provided in the bottom of the guide groove of the clamp head 30, and the convex post outside the closing clip Pierced in the anti-dropping hole 33, so that the clamp head 30 can grasp the closing clip, and the closing clip is not easy to fall off, and the continuous hair clip applier can more grasp and release the hemostatic forceps. Stable and smoother operation.
  • the present invention has simple structure, easy realization, low cost and easy promotion.
  • a device for preventing the automatic reposition of the hair clip applier Please refer to Figures 7, 8, 9 and 11, which show the hair clip applier and prevent hair clip applicator.
  • the pliers automatic repositioning device, the continuous hair clip applier includes a pipe rod 20, and a clamp head 30 mounted on the front end of the pipe rod 20, a push-pull rod 60, a feeding device 5, and a storage compartment 50.
  • the storage compartment 50 is built-in A plurality of closure clamps 200 for clamping blood vessels.
  • the device for preventing automatic retraction of the continuous clip applier includes a top rod 511, a first plug 32, and a second plug 31.
  • the first plug 32 is similar to the previous embodiment.
  • the rotating shaft 32 is the same, and the second plug 31 is the same as the shaft 31 in the previous embodiment.
  • the mandrel 511 is connected to the front end of the feeding device 5, and the mandrel 511 is provided with a through groove 512.
  • the through groove 512 is the aforementioned through bar-shaped through groove 411.
  • the two plugs respectively pass through the clamp head 30 and The storage compartment 50 then penetrates into the through groove 512.
  • the two plugs serve as pivots for opening or clamping the pliers head 30.
  • the two sides of the through groove 512 are respectively provided with at least a pair of cavities 513, and the cavity walls of the cavities 513 are protruding
  • Each pair of the cavities 513 are symmetrically arranged with the center line of the through groove 512, and the diameter of the two plugs is smaller than the width of the through groove 512 and larger than the width of the through groove 512.
  • the width between the free front ends of the two anti-return clips 514 is such that the plug can slide in the through slot 512 and the anti-return clip 514 prevents free sliding.
  • the anti-return clip 514 is the anti-return clip 412 in FIGS. 1-6.
  • the mandrel 511 extends into the storage compartment 50 to push the closing clip 200 into the clamp head 30.
  • the plug is elastically clamped between the two anti-return clips 514 To prevent the ejector pin 511 from returning.
  • the two plugs are preferably cylindrical, and the storage compartment 50 is built with a plurality of closure clips 200 for clamping blood vessels.
  • the anti-return clip 514 is an elastic sheet or strip, and the elastic sheet or strip is parallel to the feeding direction.
  • the cavity 513 is a groove that is parallel to and penetrates the through groove 512 and opened inwardly on the two groove walls of the through groove 512, and the anti-return clip 514 has the groove in the direction close to the jaw 30.
  • the rear end is used to provide elasticity while avoiding the plug, which is convenient for the operator to clamp the closing clamp 200. It saves effort and prevents the ejector pin 511 from automatically retreating without applying external force.
  • the front end is preferably a cone end, a spherical end, or a cylindrical end.
  • the cavity 513 has two pairs, and the distance between the two pairs of cavities 513 is close to the length of the closing clip 200 to ensure that the plug is just right after the closing clip 200 is clamped the previous time. It is stuck at the position of the anti-return clip 514 to prevent the ejector rod 511 from automatically returning. Further, the distance between the first pair of cavities and the second plug 31 at 513 is close to the length of the closing clip 200, and the length of the through slot 512 is close to the length of the storage compartment 50.
  • the depth of the cross-sectional direction of the cavity 513 is the same as the thickness of the elastic sheet or strip.
  • the front end of the pipe rod 20 is provided with a pipe rod mounting portion 21, and preferably, the pipe rod mounting portion 21 is preferably a hollow cylinder.
  • the pipe rod mounting portion 21 is provided with a through hole 22, and the storage compartment 50 is provided with a long narrow hole 51 and a round hole 55.
  • the long narrow hole 51 and the round hole 55 are the long through hole 51 and the round hole in FIG.
  • the pliers head 30 includes a pair of pliers arms 31a. The opposite inner sides of the pair of pliers arms 31a are respectively provided with axially extending oblique grooves 32a.
  • the oblique grooves 32a communicate with the storage compartment 50 to close
  • the clamp 200 is pushed into the oblique groove 32a by the feeding device 5; the rear end of the clamp arm 31a is provided with a shaft hole 310 and an oblique hole 311, and the first plug 32 is inserted into the through hole 22 and the round hole 55 And the oblique hole 311, the second plug 31 is inserted into the elongated hole 51 and the shaft hole 310 to connect the front end of the pipe rod 20 and the pliers arm 31a, and make the pliers head 30 around the
  • the movement of the first plug 32 produces a shearing action or a clamping and unclamping action.
  • the length of the elongated hole 51 is used to limit the opening range of the pliers head 30.
  • the elongated hole 51 has a predetermined length extension along the feeding direction, so that the pliers head 30 is opened to a sufficient extent to facilitate the clamping of the closing clip 200.
  • the storage compartment 50 has a front compartment 61 and a rear compartment 62, that is, the front compartment and the rear compartment in the aforementioned FIGS. 1-6, and the front compartment 61 is used to store the closing clip 200.
  • the front end of the rear compartment 62 extends forwardly with an upper lip 52 and a lower lip 53 that are parallel to each other and spaced up and down.
  • the upper lip 52 and the lower lip 53 are provided with the round hole 55, and the first plug
  • the length of 32 is the same as the distance between the upper lip 52 and the lower lip 53, and the end of the clamp head 30 is clamped between the outer wall of the front compartment 61, the upper lip 52 and the lower lip 53, and passes through the first plug 32 It moves in the circular hole 55 to drive the clamp head 30 to open or clamp.
  • the storage compartment 50 is preferably a tubular shape, and the front compartment 61 of the storage compartment 50 is more preferably a flat tubular shape, which makes the structure more compact and improves the accuracy of the equipment.
  • the round hole 55 is close to the rear hatch, and the distance between the round hole 55 and the front end of the front compartment 62 is not less than the length of the two closing clips 200, the first plug 32 and the second The two plugs 31 will not block the closing clip 200, and the front compartment 62 is sufficient to accommodate two closing clips.
  • a through slot 512 and an anti-return clip 514 are provided on the top rod 511, and the through hole 22, the round hole 55 and the oblique hole are inserted through the first plug 32 311.
  • the second plug 31 is inserted into the elongated hole 51 and the shaft hole 310 to connect the front end of the pipe rod 20, the storage bin 6 and the clamp arm 31a, and the two plugs are then inserted
  • the through groove 512, through the action of the anti-return clip 514 makes the ejector rod 511 not automatically retract after clamping the first closing clip 200, but stays in place for the next clamping
  • the closed clip 200 can stop bleeding from multiple blood vessels in time, accurately and quickly. The whole process is easy to operate, improves the efficiency of clip application, shortens the operation time, improves the operation efficiency, can minimize bleeding, improve the quality of the operation, and reduce the operation risk.

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Abstract

Disclosed in the present invention are a multi-fire clip applier and an apparatus preventing the multi-fire clip applier from automatically retreating, the multi-fire clip applier comprising a pushing handle, a tube rod, a clamping head mounted at a front end of the tube rod, a feed apparatus disposed in the tube rod, a push-pull rod and a storage chamber, the feed apparatus comprising a conveying element and a drive element pushing the conveying element to move; the tube rod having a shaft disposed near the front end, the shaft being used to fix the clamping head in place, the conveying element having a bar-shaped through-groove, groove walls at two sides of the bar-shaped through-groove having at least one pair of protruding anti-retraction fasteners, the shaft passing through the bar-shaped through groove and two ends thereof being fixed to the tube rod, a diameter of an end of the anti-retraction fastener being less than a diameter of the shaft, the shaft being held by a spring between two anti-retraction fasteners after the conveying element pushes a closure clip, and being able to thus prevent the conveying element from retracting during ordinary use of the multi-fire clip applier, and prevent the drive element from pushing the conveying element to move forward or return caused by misoperation.

Description

连发施夹钳和防止连发施夹钳自动退位装置Continuous hair clip applier and automatic retreat device for preventing continuous hair clip applier 技术领域Technical field

本发明涉及医疗器械设备技术领域，具体涉及一种连发施夹钳和防止连发施夹钳自动退位装置。The invention relates to the technical field of medical equipment and equipment, in particular to a continuous hair clip applier and a device for preventing the continuous hair clip applier from automatically retreating.

背景技术Background technique

施夹钳是一种常用的医疗器械，通常适用于手术操作中，用于夹住血管，起到止血作用，也称为止血钳。现有的连发施夹钳的钳头不能稳定地握紧闭合夹，容易造成闭合夹脱落，且推送闭合夹的传送件容易发生回退，使放置于储料仓内的闭合夹松动并回退，影响连发施夹钳的连续使用。The clip applier is a commonly used medical device, usually used in surgical operations, used to clamp blood vessels, play a hemostatic effect, also called hemostatic forceps. The pliers heads of the existing continuous hair clip applier cannot hold the closing clip stably, which easily causes the closing clip to fall off, and the conveyor that pushes the closing clip is prone to retreat, causing the closing clip placed in the storage bin to become loose and The retreat affects the continuous use of the continuous hair clip applier.

技术问题technical problem

有鉴于此，有必要提供一种可防止闭合夹脱落、且有效防止推送闭合夹的传送件回退的连发施夹钳。In view of this, it is necessary to provide a continuous hair clip applier which can prevent the closing clip from falling off and effectively prevent the transfer member pushing the closing clip from retreating.

技术解决方案Technical solutions

一种连发施夹钳和防止连发施夹钳自动退位装置，包括推动手柄、管杆及安装于管杆前端的钳头，还包括设于所述管杆内的送料装置、推拉杆和储料仓，所述送料装置包括传送件和推动所述传送件移动的驱动件；所述管杆的近前端设有轴杆，所述轴杆用于固定所述钳头，所述传送件具有条形通槽，所述条形通槽的两侧槽壁具有至少一对突出的防回退夹扣，所述轴杆穿过所述条形通槽后两端固定于所述管杆，所述防回退夹扣末端直径小于所述轴杆的直径，所述轴杆在所述传送件推送闭合夹后被弹性夹持与两个所述防回退夹扣之间，以防止所述传送件回退。A continuous hair clip applier and a device for preventing automatic relocation of the continuous hair clip applier includes a push handle, a pipe rod and a clamp head installed at the front end of the pipe rod, and also includes a feeding device, a push-pull rod, and a feeding device arranged in the pipe rod. In a storage bin, the feeding device includes a conveying member and a driving member that pushes the conveying member to move; a shaft is provided at the proximal end of the pipe rod, and the shaft is used to fix the clamp head, and the conveying member It is provided with a strip-shaped through groove, the groove walls on both sides of the strip-shaped through groove are provided with at least a pair of protruding anti-return clip buckles, and both ends of the shaft are fixed to the pipe rod after passing through the strip-shaped through groove , The end diameter of the anti-return clip is smaller than the diameter of the shaft, and the shaft is elastically clamped between the two anti-return clips after the transmission member pushes the closing clip to prevent The transfer is returned.

进一步地，所述储料仓包括前仓和后仓，所述前仓延伸至所述钳头的开口处，所述前仓与所述后仓的连接处设有上唇片和下唇片，所述上唇片和所述下唇片分别设于所述前仓的上部和下部，并与所述前仓的顶部和底部之间具有间隔，所述后仓的左右两侧具有条形侧边槽，所述前仓和所述后仓一体成型，所述后仓的后端螺纹连接至所述推拉杆的前端。Further, the storage bin includes a front bin and a rear bin, the front bin extends to the opening of the pliers head, and the connection between the front bin and the rear bin is provided with an upper lip and a lower lip, The upper lip and the lower lip are respectively arranged on the upper part and the lower part of the front cabin, and are spaced from the top and bottom of the front cabin, and the left and right sides of the rear cabin have strip-shaped sides A groove, the front bin and the rear bin are integrally formed, and the rear end of the rear bin is threadedly connected to the front end of the push-pull rod.

进一步地，所述钳头包括相对的一对钳臂，所述钳臂的内侧设有导向槽，所述导向槽构造为所述前仓的延伸，所述防脱孔设于所述导向槽底部的近顶端，闭合夹的外侧具有凸柱，所述传送件推动闭合夹自所述前仓的开口处滑入所述导向槽，闭合夹的在自身张力作用下张开，使闭合夹外侧壁的凸柱卡设于所述防脱孔内。Further, the pliers head includes a pair of opposing pliers arms, the inner side of the pliers arms is provided with a guide groove, the guide groove is configured as an extension of the front compartment, and the anti-drop hole is provided in the guide groove Near the top end of the bottom, the outer side of the closing clip is provided with a protruding column. The transmission member pushes the closing clip to slide into the guide groove from the opening of the front compartment, and the closing clip opens under its own tension to make the outer side of the closing clip The protruding post of the wall is clamped in the anti-drop hole.

进一步地，所述传送件包括顶杆和中空腔，所述中空腔内容置有所述推拉杆，所述中空腔的前端两侧具有沿所述中空腔轴向延伸的侧边条，所述侧边条穿设于所述侧边槽内；所述顶杆连接至所述侧边条的顶端，所述条形通槽沿所述顶杆的长度方向延伸，所述防回退夹扣成对设置，且所述防回退夹扣由所述条形通槽的内侧壁伸出并沿着闭合夹的传送方向延伸；所述防回退夹扣的顶端设有凸起，所述凸起指向所述条形通槽的内部，相对的两个所述凸起之间的距离小于所述轴杆的直径。Further, the conveying member includes a top rod and a hollow cavity, the hollow cavity contains the push-pull rod, and both sides of the front end of the hollow cavity have side strips extending along the axial direction of the hollow cavity. The side strips pass through the side grooves; the top rod is connected to the top end of the side strips, the strip-shaped through groove extends along the length direction of the top rod, the anti-return clip Are arranged in pairs, and the anti-return clip buckles extend from the inner side wall of the bar-shaped through groove and extend along the conveying direction of the closing clip; the top end of the anti-return clip buckle is provided with a protrusion, the The protrusion points to the inside of the bar-shaped through groove, and the distance between the two opposite protrusions is smaller than the diameter of the shaft.

进一步地，所述钳臂包括扁平的安装部，两个所述安装部分别设于所述上唇片和所述下唇片与所述前仓之间的间隔内，所述钳尾具有轴孔和斜向孔，所述轴孔内穿设有所述轴杆，一对所述斜向孔分别设置于两个所述安装部后端，并由外向内相交，所述斜向孔内穿设有转动轴。Further, the pliers arm includes a flat mounting portion, and the two mounting portions are respectively provided in the interval between the upper lip and the lower lip and the front compartment, and the pliers tail has a shaft hole And an oblique hole, the shaft hole is pierced with the shaft, a pair of the oblique holes are respectively provided at the rear ends of the two mounting parts, and intersect from the outside to the inside, the oblique holes pass through With rotating shaft.

进一步地，所述前仓具有长通孔和圆孔，所述长通孔沿所述前仓长度方向延伸，所述轴杆穿设于所述传送件的条形通槽、所述前仓的长通孔和所述安装部的轴孔，所述轴杆的两端分别固定连接至所述管杆的上侧壁和下侧壁；所述转动轴穿设于所述传送件的条形通槽、所述前仓的圆孔和所述安装部的斜向孔，所述转动轴的两端分别固定连接至所述上唇片和所述下唇片。Further, the front bin has a long through hole and a round hole, the long through hole extends along the length of the front bin, and the shaft is penetrated through the strip through slot of the conveying member, the front bin The long through hole of the shaft and the shaft hole of the mounting part, the two ends of the shaft rod are respectively fixedly connected to the upper and lower side walls of the pipe rod; the rotation shaft penetrates the strip of the transmission member The two ends of the rotating shaft are respectively fixedly connected to the upper lip and the lower lip.

进一步地，所述驱动件包括齿轮组件，所述齿轮组件包括齿轮和远离所述齿轮侧的轮把手；所述传送件后端具有齿条纹，所述推动手柄连接一个安装管，所述安装管对应于所述齿条纹的位置开设有齿条槽，所述齿轮伸入所述齿轮槽并与所述齿条纹啮合；所述齿轮组件通过一个固定轴和一个保险轴安装于所述安装管上，所述齿轮组件以所述固定轴为轴转动，所述保险轴用于锁死或者打开所述齿轮组件。Further, the driving member includes a gear assembly, the gear assembly includes a gear and a wheel handle far away from the gear; the rear end of the transmission member has a tooth stripe, the push handle is connected to a mounting tube, and the mounting tube A rack groove is opened corresponding to the position of the tooth stripe, and the gear extends into the gear groove and meshes with the tooth stripe; the gear assembly is mounted on the mounting pipe through a fixed shaft and a safety shaft The gear assembly rotates around the fixed shaft, and the safety shaft is used to lock or open the gear assembly.

进一步地，所述齿轮组件具有第一固定孔和弧形通孔，所述弧形通孔与所述齿轮的方向相同，并设于所述齿轮和所述第一固定孔之间；所述齿轮槽两侧分别向外延伸有固定件，所述齿轮组件设于两个所述固定件之间，所述固定件具有第二固定孔和保险孔，所述第二固定孔的位置对应于所述第一固定孔的位置，所述保险孔的位置对应于所述弧形通孔的位置；所述第一固定孔和所述第二固定孔内穿设有固定轴，所述齿轮组件以所述固定轴为轴转动；所述保险孔和所述弧形通孔内穿设有保险轴，所述齿轮组件转动时，所述弧形通孔转动时经过所述保险孔。Further, the gear assembly has a first fixing hole and an arc-shaped through hole, and the arc-shaped through hole is in the same direction as the gear and is arranged between the gear and the first fixing hole; The two sides of the gear groove respectively extend outwardly with fixing pieces, the gear assembly is arranged between the two fixing pieces, the fixing piece has a second fixing hole and a safety hole, and the position of the second fixing hole corresponds to The position of the first fixing hole and the position of the safety hole correspond to the position of the arc-shaped through hole; a fixing shaft is penetrated in the first fixing hole and the second fixing hole, and the gear assembly The fixed shaft is used as a shaft to rotate; the safety hole and the arc-shaped through hole are provided with a safety shaft, and when the gear assembly rotates, the arc-shaped through hole passes through the safety hole when rotating.

进一步地，所述保险轴包括弹性件和相对设置的基座、轴销，所述轴销螺纹固定于所述基座内，所述轴销和所述基座外侧顶端均具有突出的边缘，所述弹性件设于所述基座与所述固定件之间。Further, the safety shaft includes an elastic member, a base and a shaft pin disposed oppositely, the shaft pin is threadedly fixed in the base, and both the shaft pin and the outer top end of the base have protruding edges, The elastic member is arranged between the base and the fixing member.

进一步地，所述前仓内放置有多个闭合夹，所述推拉杆的后端连接至所述推动手柄，并在所述推动手柄的推动下移动，所述推拉杆的前端活动连接至所述后仓的后端，所述前仓的前端连接至所述钳头，并使所述钳头张开或者闭合；所述传送件伸入所述前仓内，所述传送件的顶端具有凹槽，所述凹槽卡设于闭合夹后端的突起，并将闭合夹依次推送至所述钳头。Further, a plurality of closing clips are placed in the front compartment, the rear end of the push-pull rod is connected to the push handle and moves under the push of the push handle, and the front end of the push-pull rod is movably connected to the push handle. The rear end of the rear compartment, the front end of the front compartment is connected to the clamp head, and the clamp head is opened or closed; the transmission member extends into the front compartment, and the top end of the transmission member has A groove, the groove is clamped on the protrusion at the rear end of the closing clamp, and the closing clamp is sequentially pushed to the pliers head.

在本发明实施例的另一方面，提供一种防止连发施夹钳自动退位装置，所述连发施夹钳包括管杆以及装于管杆前端的钳头、推拉杆、送料装置和储料舱，所述储料舱内置有多个用于夹紧血管的闭合夹，所述自动退位装置包括顶杆、第一插栓和第二插栓，所述顶杆连接于送料装置的前端，所述顶杆设有贯穿槽，两个所述插栓分别穿过钳头及储料舱后穿入所述贯穿槽，两个所述插栓作为钳头张开或夹紧活动的枢轴，所述贯穿槽的两侧槽壁分别开设有至少一对凹腔，所述凹腔的腔壁凸设有沿着送料方向延伸的防回退夹扣，每一对所述凹腔以贯穿槽的中心线对称设置，两个所述插栓的直径小于所述贯穿槽宽度且大于所述两个防回退夹扣自由前端之间的宽度，所述顶杆伸入于储料舱以推动闭合夹进入钳头内，所述插栓在顶杆推送闭合夹后被弹性夹持于两个防回退夹扣间以阻止顶杆退回。In another aspect of the embodiments of the present invention, there is provided a device for preventing automatic relocation of a continuous hair clip applier. The continuous hair clip applier includes a pipe rod and a clamp head mounted on the front end of the pipe rod, a push-pull rod, a feeding device, and a storage device. A material compartment, the storage compartment is equipped with a plurality of closure clamps for clamping blood vessels, the automatic repositioning device includes a top rod, a first plug and a second plug, and the top rod is connected to the front end of the feeding device , The ejector rod is provided with a through groove, and the two plugs respectively pass through the clamp head and the storage compartment and then penetrate into the through groove, and the two plugs serve as pivots for the clamp head to open or clamp. Shaft, the groove walls on both sides of the through groove are respectively provided with at least a pair of cavities, the cavity walls of the cavities are convexly provided with anti-return clips extending along the feeding direction, and each pair of the cavities is The center lines of the through grooves are symmetrically arranged, the diameter of the two plugs is smaller than the width of the through groove and greater than the width between the free front ends of the two anti-return clips, and the ejector rod extends into the storage compartment The closing clip is pushed into the clamp head, and the plug is elastically clamped between the two anti-return clamps after the ejector pin pushes the closing clip to prevent the ejector pin from retreating.

优选地，所述凹腔为贯穿槽的两槽壁向内开设的与所述贯穿槽平行且贯通的凹槽，所述防回退夹扣具有靠近钳头方向的所述自由前端和远离钳头方向的后端，所述前端自贯穿槽向外凸伸，所述后端用于提供弹力并同时避开所述插栓。Preferably, the cavity is a groove parallel to the through groove and penetrated inwardly opened on the two groove walls of the through groove, and the anti-return clip has the free front end near the pliers head and away from the pliers. At the rear end in the head direction, the front end protrudes outward from the through groove, and the rear end is used to provide elasticity while avoiding the plug.

优选地，所述凹腔具有两对，两对所述凹腔之间的距离与所述闭合夹的长度接近。Preferably, the cavity has two pairs, and the distance between the two pairs of cavity is close to the length of the closing clip.

优选地，所述管杆前端设有管杆安装部，所述管杆安装部设有通孔，储料舱所述储料舱设有狭长孔和圆孔，所述钳头包括一对钳臂，一对所述钳臂相对的内侧面分别设有轴向延伸的斜向槽，所述斜向槽与储料舱相通，使闭合夹在送料装置推动下进入斜向槽；所述钳臂后端分别设有轴孔和斜向孔，所述第一插栓插入所述通孔、圆孔和斜向孔，所述第二插栓插入所述狭长孔和轴孔，以将所述管杆前端和所述钳臂相连，并使所述钳头绕着所述第一插栓运动，产生剪切作用或夹紧和松开动作。Preferably, the front end of the pipe rod is provided with a pipe rod mounting part, the pipe rod mounting part is provided with a through hole, the storage compartment is provided with a long narrow hole and a round hole, and the clamp head includes a pair of pliers Arm, a pair of opposite inner sides of the clamp arms are respectively provided with an axially extending oblique groove, the oblique groove communicates with the storage compartment, so that the closing clip enters the oblique groove under the pushing of the feeding device; The rear end of the arm is respectively provided with a shaft hole and an oblique hole, the first plug is inserted into the through hole, round hole and the oblique hole, and the second plug is inserted into the elongated hole and the shaft hole to The front end of the pipe rod is connected with the pliers arm, and the pliers head is moved around the first plug to produce a shearing action or a clamping and unclamping action.

优选地，所述储料舱具有前舱和后舱，所述后舱的前端向前延伸有互相平行并上下间隔的上唇片和下唇片，所述上唇片和下唇片设有所述圆孔，所述第一插栓的长度与上唇片和下唇片之间距离相同，所述钳头末端夹于前舱外壁、上唇片和下唇片之间，通过所述第一插栓在所述圆孔内运动以带动钳头张开或夹紧。Preferably, the storage compartment has a front compartment and a rear compartment, and the front end of the rear compartment extends forwardly with an upper lip and a lower lip that are parallel to each other and spaced up and down, and the upper lip and the lower lip are provided with the A round hole, the length of the first plug is the same as the distance between the upper lip and the lower lip, and the end of the clamp head is clamped between the outer wall of the front cabin, the upper lip and the lower lip, and passes through the first plug It moves in the circular hole to drive the clamp head to open or clamp.

优选地，所述防回退扣件为弹性片或弹性条，所述弹性片或弹性条平行于所述送料方向。Preferably, the anti-return fastener is an elastic sheet or elastic strip, and the elastic sheet or elastic strip is parallel to the feeding direction.

优选地，所述凹腔的截面方向的深度与所述弹性片或弹性条的厚度相同。Preferably, the depth of the cross-sectional direction of the cavity is the same as the thickness of the elastic sheet or strip.

优选地，靠前一对所述凹腔与第二插栓之间的距离与闭合夹的长度接近，贯穿槽的长度与储料舱的长度接近。Preferably, the distance between the first pair of cavities and the second plug is close to the length of the closing clip, and the length of the penetrating groove is close to the length of the storage compartment.

优选地，所述圆孔与所述前舱的前端之间的距离不小于两个闭合夹的长度。Preferably, the distance between the round hole and the front end of the front compartment is not less than the length of the two closing clips.

优选地，所述狭长孔沿着送料方向具有预定长度的延伸。Preferably, the elongated hole has an extension of a predetermined length along the feeding direction.

有益效果Beneficial effect

上述连发施夹钳中，所述轴杆和所述转动轴穿设于所述传送件的条形通槽内，所述条形通槽内的所述防回退夹扣顶端的凸起对所述轴杆和所述转动轴具有阻挡作用，使所述传送件向所述钳头方向移动后不易能反向移动，阻止所述传送件回退，同时，所述保险轴锁死所述驱动件，使所述驱动件无法推动所述传送件移动，既可以防止所述传送件在所述连发施夹钳正常使用时回退，也可以防止误操作造成所述驱动件推动所述传送件前进或者后退；所述钳头的导向槽底部内设置所述防脱孔，所述闭合夹外侧的凸柱穿设于所述防脱孔，使所述钳头能够抓牢所述闭合夹，且所述闭合夹不易脱落，所述连发施夹钳对所述止血钳的抓握和释放更加稳定，操作更加顺畅。本发明的结构简单，易于实现，成本低廉，便于推广。In the above-mentioned continuous hair clip applier, the shaft and the rotating shaft pass through the bar-shaped through groove of the conveying member, and the protrusion at the top end of the anti-return clip in the bar-shaped through groove It has a blocking effect on the shaft and the rotating shaft, so that the transmission member cannot easily move in the reverse direction after moving in the direction of the pliers head, and prevents the transmission member from retreating. At the same time, the safety shaft locks the position The driving member prevents the driving member from pushing the transmission member to move, which can prevent the transmission member from retreating during the normal use of the continuous hair clip applier, and can also prevent misoperation from causing the driving member to push the position. The transmission member advances or retreats; the anti-drop hole is provided in the bottom of the guide groove of the clamp head, and the convex post on the outer side of the closing clamp is penetrated in the anti-drop hole, so that the clamp head can grasp the The closing clip is not easy to fall off, the continuous hair clip applier can more stably grasp and release the hemostatic forceps, and the operation is more smooth. The present invention has simple structure, easy realization, low cost and easy promotion.

附图说明Description of the drawings

图1是本发明实施例连发施夹钳的结构示意图。Fig. 1 is a structural diagram of a continuous hair clip applier according to an embodiment of the present invention.

图2是本发明实施例连发施夹钳的结构爆炸图。Fig. 2 is an exploded view of the structure of the continuous hair clip applier according to the embodiment of the present invention.

图3是本发明实施例连发施夹钳的剖面图。Fig. 3 is a cross-sectional view of a continuous hair clip applier according to an embodiment of the present invention.

图4是本发明实施例连发施夹钳的钳头部分的水平剖面图。4 is a horizontal cross-sectional view of the jaws of the continuous hair clip applier according to the embodiment of the present invention.

图5是本发明实施例连发施夹钳的保险结构剖面图。Fig. 5 is a sectional view of the safety structure of the continuous hair clip applier according to the embodiment of the present invention.

图6是本发明实施例连发施夹钳的钳头部分的垂直剖面图。Fig. 6 is a vertical sectional view of the jaws of the continuous hair clip applier according to the embodiment of the present invention.

图7是本发明实施例防止连发施夹钳自动退位装置的连发施夹钳立体结构示意图。FIG. 7 is a three-dimensional structural diagram of the continuous hair clip applier preventing automatic relocation of the continuous hair clip applier according to the embodiment of the present invention.

图8是本发明实施例防止连发施夹钳自动退位装置的立体结构分解示意图。Fig. 8 is an exploded view of the three-dimensional structure of the device for preventing automatic reposition of the continuous hair clip applier according to the embodiment of the present invention.

图9是本发明实施例防止连发施夹钳自动退位装置内装有止血闭合夹的俯视方向剖视结构示意图。Fig. 9 is a schematic cross-sectional view of a top view of the hemostatic closing clip installed in the automatic repositioning device for preventing continuous hair clip applier according to the embodiment of the present invention.

图10本发明实施例防止连发施夹钳自动退位装置内装有止血闭合夹的正视方向剖视结构示意图。Fig. 10 is a schematic cross-sectional view of the structure in the front view direction of the hemostatic closing clip installed in the automatic repositioning device for preventing continuous hair clip applier according to the embodiment of the present invention.

图11本发明实施例防止连发施夹钳自动退位装置顶杆的立体结构的局部放大示意图。Fig. 11 is a partial enlarged schematic view of the three-dimensional structure of the ejector rod of the automatic repositioning device for preventing continuous hair clip applier according to the embodiment of the present invention.

本发明的实施方式Embodiments of the invention

本实施例以连发施夹钳为例，以下将结合具体实施例和附图对本发明进行详细说明。In this embodiment, the continuous hair clip applier is taken as an example, and the present invention will be described in detail below with reference to specific embodiments and drawings.

请参阅图1、图2、图3、图4、图5和图6，示出本发明实施例提供的一种连发施夹钳100，包括推动手柄10、管杆20及安装于管杆20前端的钳头30，还包括设于所述管杆20内的送料装置、推拉杆60和储料仓50，所述送料装置包括传送件41和推动所述传送件41移动的驱动件42；所述管杆20的近前端设有轴杆31，所述轴杆31用于固定所述钳头30，所述传送件41具有条形通槽411，所述条形通槽411的两侧槽壁具有至少一对突出的防回退夹扣412，所述轴杆31穿过所述条形通槽411后两端固定于所述管杆20，所述防回退夹扣412末端直径小于所述轴杆31的直径，防回退夹扣412末端直径即一对防回退夹扣412末端径向或纵向距离。所述轴杆31在所述传送件41推送闭合夹后被弹性夹持与两个所述防回退夹扣412之间，也就是弹性夹持与一对所述防回退夹扣412之间，以防止所述传送件41回退。Please refer to Figure 1, Figure 2, Figure 3, Figure 4, Figure 5 and Figure 6, showing a continuous hair clip applier 100 provided by an embodiment of the present invention, including a push handle 10, a pipe rod 20 and installed on the pipe rod The clamp head 30 at the front end of the 20 also includes a feeding device, a push-pull rod 60 and a storage bin 50 arranged in the pipe rod 20. The feeding device includes a conveying member 41 and a driving member 42 that pushes the conveying member 41 to move. The proximal end of the tube rod 20 is provided with a shaft 31, the shaft 31 is used to fix the pliers 30, the transmission member 41 has a bar-shaped through groove 411, two of the bar-shaped through groove 411 The side groove wall is provided with at least a pair of protruding anti-return clips 412, the shaft 31 passes through the bar-shaped through groove 411, and the two ends are fixed to the pipe rod 20. The ends of the anti-return clip 412 The diameter is smaller than the diameter of the shaft 31, and the end diameter of the anti-return clip 412 is the radial or longitudinal distance between the ends of a pair of anti-return clip 412. The shaft 31 is elastically clamped between the two anti-return clamps 412 after the transfer member 41 pushes the closing clamp, that is, between the elastic clamp and a pair of the anti-return clamps 412 In order to prevent the transfer member 41 from returning.

具体地，本实施例中，所述连发施夹钳的靠近所述钳头30一侧为前端，与前端相对的一侧为后端。Specifically, in this embodiment, the side of the continuous hair clip applier close to the pliers head 30 is the front end, and the side opposite to the front end is the back end.

具体地，所述储料仓50内放置有多个闭合夹，所述储料仓50与所述钳头30活动连接，所述推拉杆60的前端连接至所述储料仓50的后端，所述推拉杆60的后端连接至所述推动手柄10，所述推动手柄10通过所述推拉杆60使所述储料仓50前后移动，从而控制所述钳头30张开或者闭合；所述传送件41的前端伸入所述储料仓50，所述传送件41的后端与所述驱动件42之间以齿轮啮合，所述驱动件42推动所述传送件41向所述储料仓50的前端移动，所述传送件41将所述储料仓50内的闭合夹推出至所述钳头30。Specifically, a plurality of closing clips are placed in the storage bin 50, the storage bin 50 is movably connected with the clamp head 30, and the front end of the push-pull rod 60 is connected to the rear end of the storage bin 50 , The rear end of the push-pull rod 60 is connected to the push handle 10, and the push handle 10 moves the storage bin 50 back and forth through the push-pull rod 60, thereby controlling the opening or closing of the clamp head 30; The front end of the transmission member 41 extends into the storage bin 50, the rear end of the transmission member 41 and the driving member 42 are meshed with gears, and the driving member 42 pushes the transmission member 41 toward the The front end of the storage bin 50 moves, and the transfer member 41 pushes the closing clip in the storage bin 50 to the clamp head 30.

进一步地，所述储料仓50包括前仓和后仓，所述前仓延伸至所述钳头30的开口处，所述前仓与所述后仓的连接处设有上唇片52和下唇片53，所述上唇片52和所述下唇片53分别设于所述前仓的上部和下部，并与所述前仓的顶部和底部之间具有间隔，所述后仓的左右两侧具有条形侧边槽，所述前仓和所述后仓一体成型，所述后仓的后端螺纹连接至所述推拉杆60的前端。Further, the storage bin 50 includes a front bin and a rear bin, the front bin extends to the opening of the clamp head 30, and the connection between the front bin and the rear bin is provided with an upper lip 52 and a lower The lip 53, the upper lip 52 and the lower lip 53 are respectively arranged at the upper and lower parts of the front compartment, and are spaced apart from the top and bottom of the front compartment. The side has a strip-shaped side groove, the front bin and the rear bin are integrally formed, and the rear end of the rear bin is screwed to the front end of the push-pull rod 60.

进一步地，所述钳头30包括相对的一对钳臂，所述钳臂的内侧设有导向槽，所述导向槽构造为所述前仓的延伸，防脱孔33设于所述导向槽底部的近顶端，闭合夹的外侧具有凸柱，所述传送件41推动闭合夹自所述前仓的开口处滑入所述导向槽，闭合夹的在自身张力作用下张开，使闭合夹外侧壁的凸柱卡设于所述防脱孔33内。Further, the pliers head 30 includes a pair of opposing pliers arms, the inner side of the pliers arms is provided with a guide groove, the guide groove is configured as an extension of the front compartment, and the anti-drop hole 33 is provided in the guide groove Near the top end of the bottom, the outer side of the closing clip is provided with a convex post. The transmission member 41 pushes the closing clip to slide into the guide groove from the opening of the front compartment, and the closing clip is opened under its own tension to make the closing clip The convex post on the outer side wall is clamped in the anti-drop hole 33.

具体地，闭合夹放置于所述前仓内，所述传送件41将闭合夹自所述前仓开口处推出，闭合夹在自身张力的作用下张开呈V字型，闭合夹外侧壁的凸柱沿着所述导向槽槽底向所述钳头30前端滑动，当凸柱到达所述防脱孔33时，凸柱在自身张力的作用下卡设于所述防脱孔33内，所述钳头30稳固地抓牢闭合夹，使闭合夹不易脱落。Specifically, the closing clip is placed in the front compartment, and the transfer member 41 pushes the closing clip out from the opening of the front compartment. The closing clip expands in a V shape under the action of its own tension to close the outer wall of the clip. The convex post slides along the bottom of the guide groove toward the front end of the clamp head 30. When the convex post reaches the anti-drop hole 33, the convex post is clamped in the anti-drop hole 33 under the action of its own tension. The clamp head 30 firmly grasps the closing clip, so that the closing clip is not easy to fall off.

进一步地，所述传送件包括顶杆和中空腔，所述中空腔内容置有所述推拉杆60，所述中空腔的前端两侧具有沿所述中空腔轴向延伸的侧边条，所述侧边条穿设于所述侧边槽内；所述顶杆连接至所述侧边条的顶端，所述条形通槽411沿所述顶杆的长度方向延伸，所述防回退夹扣412成对设置，且所述防回退夹扣412由所述条形通槽411的内侧壁伸出并沿着闭合夹的传送方向延伸；所述防回退夹扣412的顶端设有凸起，所述凸起指向所述条形通槽411的内部，相对的两个所述凸起之间的距离小于所述轴杆31的直径。所述凸起呈半圆柱体或者椎体，所述凸起的柱面或者锥面为与所述轴杆31接触的表面。Further, the conveying member includes a top rod and a hollow cavity, and the push-pull rod 60 is placed in the hollow cavity. Both sides of the front end of the hollow cavity have side strips extending along the axial direction of the hollow cavity. The side strips pass through the side grooves; the top rod is connected to the top end of the side strips, the strip-shaped through groove 411 extends along the length of the top rod, and the anti-backlash The clamps 412 are arranged in pairs, and the anti-return clamp 412 protrudes from the inner side wall of the bar-shaped through groove 411 and extends along the conveying direction of the closed clamp; the top end of the anti-back clamp 412 is provided There are protrusions, and the protrusions point to the inside of the bar-shaped through groove 411, and the distance between two opposite protrusions is smaller than the diameter of the shaft 31. The protrusion is a semi-cylindrical body or a vertebral body, and the cylindrical or conical surface of the protrusion is a surface contacting the shaft 31.

进一步地，所述钳臂包括扁平的安装部34，两个所述安装部34分别设于所述上唇片52和所述下唇片53与所述前仓之间的间隔内，所述钳尾具有轴孔310和斜向孔311，所述轴孔310内穿设有所述轴杆31，一对所述斜向孔311分别设置于两个所述安装部34后端，并由外向内相交，所述斜向孔311内穿设有转动轴32。Further, the pliers arm includes a flat mounting portion 34, and the two mounting portions 34 are respectively provided in the space between the upper lip 52 and the lower lip 53 and the front compartment, and the pliers The tail has a shaft hole 310 and an oblique hole 311. The shaft rod 31 is penetrated in the shaft hole 310. A pair of the oblique holes 311 are respectively provided at the rear ends of the two mounting parts 34 and are directed from the outside. Inwardly intersecting, a rotating shaft 32 penetrates through the oblique hole 311.

进一步地，所述前仓具有长通孔51和圆孔，所述长通孔51沿所述前仓长度方向延伸，所述轴杆31穿设于所述传送件41的条形通槽411、所述前仓的长通孔51和所述安装部34的轴孔310，所述轴杆31的两端分别固定连接至所述管杆20的上侧壁和下侧壁；所述转动轴32穿设于所述传送件41的条形通槽411、所述前仓的圆孔和所述安装部34的斜向孔311，所述转动轴32的两端分别固定连接至所述上唇片52和所述下唇片53。Further, the front compartment has a long through hole 51 and a round hole, the long through hole 51 extends along the length of the front compartment, and the shaft 31 passes through the strip through slot 411 of the conveying member 41 , The long through hole 51 of the front compartment and the shaft hole 310 of the mounting portion 34, the two ends of the shaft 31 are respectively fixedly connected to the upper and lower side walls of the pipe rod 20; the rotation The shaft 32 passes through the strip through slot 411 of the conveying member 41, the round hole of the front compartment, and the oblique hole 311 of the mounting portion 34, and both ends of the rotating shaft 32 are fixedly connected to the The upper lip piece 52 and the lower lip piece 53.

具体地，所述长通孔51的长度与所述推拉杆60带动所述储料仓50移动的长度相同，所述储料仓50向后端移动时，所述转动杆随着所述储料仓50向后端移动，所述轴杆31不随着所述储料仓50的移动而移动，使所述转动杆在所述斜向孔311内向所述安装部34的后端移动，使所述钳头30闭合。Specifically, the length of the long through hole 51 is the same as the length that the push-pull rod 60 drives the storage bin 50 to move. When the storage bin 50 moves to the rear end, the rotating rod follows the storage bin 50. The silo 50 moves to the rear end, the shaft rod 31 does not move with the movement of the storage silo 50, so that the rotating rod moves to the rear end of the mounting portion 34 in the oblique hole 311, so that The clamp head 30 is closed.

具体地，所述防回退夹扣412成对设置于所述条形通槽411的内侧壁，所述防回退夹扣412的数量及间隔与所述储料仓50内设置的闭合夹的个数及长度对应，每推送一个闭合夹，所述顶杆向前端移动相应的距离，所述轴杆31穿过相对的一对所述防回退夹扣412顶端的所述凸起之间的间隙，所述凸起阻碍所述顶杆回退。Specifically, the anti-return clips 412 are arranged in pairs on the inner side wall of the bar-shaped through groove 411, and the number and interval of the anti-return clips 412 are the same as the closing clips provided in the storage bin 50. Corresponding to the number and length of each closing clip, the ejector rod moves a corresponding distance to the front end, and the shaft 31 passes through one of the protrusions at the top of the opposite pair of the anti-return clip 412 The protrusion hinders the retreat of the ejector rod.

进一步地，所述驱动件42包括齿轮组件421，所述齿轮组件421包括齿轮和远离所述齿轮侧的轮把手；所述传送件41后端具有齿条纹413，所述推动手柄10连接一个安装管11，所述安装管11对应于所述齿条纹413的位置开设有齿条槽，所述齿轮伸入所述齿轮槽并与所述齿条纹413啮合；所述齿轮组件421通过一个固定轴425和一个保险轴安装于所述安装管11上，所述齿轮组件421以所述固定轴425为轴转动，所述保险轴用于锁死或者打开所述齿轮组件421。Further, the driving member 42 includes a gear assembly 421, the gear assembly 421 includes a gear and a wheel handle far away from the gear; the rear end of the transmission member 41 has a tooth strip 413, and the pushing handle 10 is connected to a mounting The mounting tube 11 is provided with a rack groove corresponding to the position of the tooth stripe 413, and the gear extends into the gear groove and meshes with the tooth stripe 413; the gear assembly 421 passes through a fixed shaft 425 and a safety shaft are mounted on the mounting pipe 11, the gear assembly 421 rotates around the fixed shaft 425, and the safety shaft is used to lock or open the gear assembly 421.

进一步地，所述齿轮组件421具有第一固定孔和弧形通孔，所述弧形通孔与所述齿轮的方向相同，并设于所述齿轮和所述第一固定孔之间；所述齿轮槽两侧分别向外延伸有固定件，所述齿轮组件421设于两个所述固定件之间，所述固定件具有第二固定孔和保险孔，所述第二固定孔的位置对应于所述第一固定孔的位置，所述保险孔的位置对应于所述弧形通孔的位置；所述第一固定孔和所述第二固定孔内穿设有固定轴425，所述齿轮组件421以所述固定轴425为轴转动；所述保险孔和所述弧形通孔内穿设有保险轴，所述齿轮组件421转动时，所述弧形通孔转动时经过所述保险孔。Further, the gear assembly 421 has a first fixing hole and an arc-shaped through hole, and the arc-shaped through hole has the same direction as the gear and is arranged between the gear and the first fixing hole; The two sides of the gear groove respectively extend outwardly with fixing parts, the gear assembly 421 is arranged between the two fixing parts, and the fixing part has a second fixing hole and a safety hole. The position of the second fixing hole is Corresponding to the position of the first fixing hole, the position of the safety hole corresponds to the position of the arc-shaped through hole; a fixing shaft 425 is penetrated in the first fixing hole and the second fixing hole, so The gear assembly 421 rotates around the fixed shaft 425; the safety hole and the arc-shaped through hole are provided with a safety shaft. When the gear assembly 421 rotates, the arc-shaped through hole passes through the Mentioned insurance hole.

进一步地，所述保险轴包括弹性件424和相对设置的基座422、轴销423，所述轴销423螺纹固定于所述基座422内，所述轴销423和所述基座422外侧顶端均具有突出的边缘，所述弹性件424设于所述基座422与所述固定件之间。Further, the safety shaft includes an elastic member 424, a base 422 and a shaft pin 423 disposed oppositely, the shaft pin 423 is threadedly fixed in the base 422, and the shaft pin 423 and the outer side of the base 422 The top ends have protruding edges, and the elastic member 424 is arranged between the base 422 and the fixing member.

具体地，在向所述连发施夹钳内放置闭合夹和使用所述推动手柄10使闭合夹夹住血管时，锁死所述保险轴，使所述驱动件42无法移动，防止手术过程中的误操作。在需要推送闭合夹时打开所述保险轴，旋转所述齿轮组件421，使所述传送件41推送闭合夹向所述钳头30移动。Specifically, when the closing clip is placed in the continuous hair clip applier and the pushing handle 10 is used to make the closing clip clamp the blood vessel, the safety shaft is locked so that the driving member 42 cannot move, preventing the operation process Misoperation in. When the closing clamp needs to be pushed, the safety shaft is opened, and the gear assembly 421 is rotated, so that the transmission member 41 pushes the closing clamp to move to the pliers head 30.

具体地，所述齿轮组件421上标注有所述齿轮转动的位置，所述齿轮转动相应的弧度后，使所述传送件41向前端移动相应的距离，将闭合夹推出所述储料仓50。Specifically, the gear assembly 421 is marked with the position of the gear rotation. After the gear rotates by a corresponding arc, the transmission member 41 is moved a corresponding distance to the front end to push the closing clip out of the storage bin 50. .

进一步地，所述前仓内放置有多个闭合夹，所述推拉杆60的后端连接至所述推动手柄10，并在所述推动手柄10的推动下移动，所述推拉杆60的前端活动连接至所述后仓的后端，所述前仓的前端连接至所述钳头30，并使所述钳头30张开或者闭合；所述传送件41伸入所述前仓内，所述传送件41的顶端具有凹槽，所述凹槽卡设于闭合夹后端的突起，并将闭合夹依次推送至所述钳头30。Further, a plurality of closing clips are placed in the front compartment, the rear end of the push-pull rod 60 is connected to the push handle 10 and moves under the push of the push handle 10, and the front end of the push-pull rod 60 It is movably connected to the rear end of the rear compartment, and the front end of the front compartment is connected to the pliers head 30 to open or close the pliers head 30; the transmission member 41 extends into the front compartment, The top end of the conveying member 41 has a groove, and the groove is clamped on the protrusion at the rear end of the closing clip, and the closing clip is sequentially pushed to the clamp head 30.

上述连发施夹钳中，所述轴杆31和所述转动轴32穿设于所述传送件41的条形通槽411内，所述条形通槽411内的所述防回退夹扣412顶端的凸起对所述轴杆31和所述转动轴32具有阻挡作用，使所述传送件41向所述钳头30方向移动后不易能反向移动，阻止所述传送件41回退，同时，所述保险轴锁死所述驱动件42，使所述驱动件42无法推动所述传送件41移动，既可以防止所述传送件41在所述连发施夹钳正常使用时回退，也可以防止误操作造成所述驱动件42推动所述传送件41前进或者后退；所述钳头30的导向槽底部内设置所述防脱孔33，所述闭合夹外侧的凸柱穿设于所述防脱孔33，使所述钳头30能够抓牢所述闭合夹，且所述闭合夹不易脱落，所述连发施夹钳对所述止血钳的抓握和释放更加稳定，操作更加顺畅。本发明的结构简单，易于实现，成本低廉，便于推广。In the above-mentioned continuous hair clip applier, the shaft 31 and the rotating shaft 32 pass through the bar-shaped through groove 411 of the transmission member 41, and the anti-return clip in the bar-shaped through groove 411 The protrusion at the top of the buckle 412 has a blocking effect on the shaft 31 and the rotating shaft 32, so that the transmission member 41 cannot easily move in the reverse direction after moving in the direction of the pliers 30, and prevents the transmission member 41 from returning. At the same time, the safety shaft locks the driving member 42 so that the driving member 42 cannot push the transmission member 41 to move, which can prevent the transmission member 41 from being in normal use of the continuous hair clip applier. Retreating can also prevent misoperation from causing the drive member 42 to push the conveying member 41 forward or backward; the anti-drop hole 33 is provided in the bottom of the guide groove of the clamp head 30, and the convex post outside the closing clip Pierced in the anti-dropping hole 33, so that the clamp head 30 can grasp the closing clip, and the closing clip is not easy to fall off, and the continuous hair clip applier can more grasp and release the hemostatic forceps. Stable and smoother operation. The present invention has simple structure, easy realization, low cost and easy promotion.

在本发明实施例另一方面，提供的一种防止连发施夹钳自动退位装置，请参阅图7、图8、图9和图11，示出连发施夹钳以及防止连发施夹钳自动退位装置，所述连发施夹钳包括管杆20、以及装于管杆20前端的钳头30、推拉杆60、送料装置5和储料舱50，所述储料舱50内置有多个用于夹紧血管的闭合夹200，所述防止连发施夹钳自动退位装置包括顶杆511、第一插栓32和第二插栓31，第一插栓32与前面实施例中的转动轴32相同，第二插栓31与前面实施例中的轴杆31相同。所述顶杆511连接于送料装置5的前端，所述顶杆511设有贯穿槽512，贯穿槽512即为前述贯穿条形通槽411，两个所述插栓分别穿过钳头30及储料舱50后穿入所述贯穿槽512。两个所述插栓作为钳头30张开或夹紧活动的枢轴，所述贯穿槽512的两侧槽壁分别开设有至少一对凹腔513，所述凹腔513的腔壁凸设有沿着送料方向延伸的防回退夹扣514，每一对所述凹腔513以贯穿槽512的中心线对称设置，两个所述插栓的直径小于所述贯穿槽512宽度且大于所述两个防回退夹扣514自由前端之间的宽度，以使得所述插栓可以在贯穿槽512内滑动并通过所述防回退夹扣514阻止自由滑动。所述防回退夹扣514即为图1-6中的防回退夹扣412。所述顶杆511伸入于储料舱50以推动闭合夹200进入钳头30内，所述插栓在顶杆511推送闭合夹200后被弹性夹持于两个防回退夹扣514间以阻止顶杆511退回。进一步地，两个所述插栓优选为柱形，所述储料舱50内置有多个用于夹紧血管的闭合夹200。进一步地，所述防回退夹扣514为弹性片或弹性条，所述弹性片或弹性条平行于所述送料方向。In another aspect of the embodiment of the present invention, there is provided a device for preventing the automatic reposition of the hair clip applier. Please refer to Figures 7, 8, 9 and 11, which show the hair clip applier and prevent hair clip applicator. The pliers automatic repositioning device, the continuous hair clip applier includes a pipe rod 20, and a clamp head 30 mounted on the front end of the pipe rod 20, a push-pull rod 60, a feeding device 5, and a storage compartment 50. The storage compartment 50 is built-in A plurality of closure clamps 200 for clamping blood vessels. The device for preventing automatic retraction of the continuous clip applier includes a top rod 511, a first plug 32, and a second plug 31. The first plug 32 is similar to the previous embodiment. The rotating shaft 32 is the same, and the second plug 31 is the same as the shaft 31 in the previous embodiment. The mandrel 511 is connected to the front end of the feeding device 5, and the mandrel 511 is provided with a through groove 512. The through groove 512 is the aforementioned through bar-shaped through groove 411. The two plugs respectively pass through the clamp head 30 and The storage compartment 50 then penetrates into the through groove 512. The two plugs serve as pivots for opening or clamping the pliers head 30. The two sides of the through groove 512 are respectively provided with at least a pair of cavities 513, and the cavity walls of the cavities 513 are protruding There is an anti-return clip 514 extending along the feeding direction. Each pair of the cavities 513 are symmetrically arranged with the center line of the through groove 512, and the diameter of the two plugs is smaller than the width of the through groove 512 and larger than the width of the through groove 512. The width between the free front ends of the two anti-return clips 514 is such that the plug can slide in the through slot 512 and the anti-return clip 514 prevents free sliding. The anti-return clip 514 is the anti-return clip 412 in FIGS. 1-6. The mandrel 511 extends into the storage compartment 50 to push the closing clip 200 into the clamp head 30. After the mandrel 511 pushes the closing clip 200, the plug is elastically clamped between the two anti-return clips 514 To prevent the ejector pin 511 from returning. Further, the two plugs are preferably cylindrical, and the storage compartment 50 is built with a plurality of closure clips 200 for clamping blood vessels. Further, the anti-return clip 514 is an elastic sheet or strip, and the elastic sheet or strip is parallel to the feeding direction.

优选地，所述凹腔513为贯穿槽512的两槽壁向内开设的与所述贯穿槽512平行且贯通的凹槽，所述防回退夹扣514具有靠近钳头30方向的所述自由前端和远离钳头30方向的后端，所述前端自贯穿槽512向外凸伸，所述后端用于提供弹力并同时避开所述插栓，方便操作人员夹紧闭合夹200时省力，又防止所述顶杆511在不施外力的情况下自动退位。所述前端优选为锥体端、球形端或圆柱形等。Preferably, the cavity 513 is a groove that is parallel to and penetrates the through groove 512 and opened inwardly on the two groove walls of the through groove 512, and the anti-return clip 514 has the groove in the direction close to the jaw 30. A free front end and a rear end far away from the clamp head 30. The front end protrudes outward from the through groove 512. The rear end is used to provide elasticity while avoiding the plug, which is convenient for the operator to clamp the closing clamp 200. It saves effort and prevents the ejector pin 511 from automatically retreating without applying external force. The front end is preferably a cone end, a spherical end, or a cylindrical end.

优选地，所述凹腔513具有两对，两对所述凹腔513之间的距离与所述闭合夹200的长度接近，以确保在前一次夹紧闭合夹200后，所述插栓刚好卡在所述防回退夹扣514的位置，防止顶杆511自动退回。进一步地，靠前一对所述凹腔与513第二插栓31之间的距离与闭合夹200的长度接近，贯穿槽512的长度与储料舱50的长度接近。优选地，所述凹腔513的截面方向的深度与所述弹性片或弹性条的厚度相同。Preferably, the cavity 513 has two pairs, and the distance between the two pairs of cavities 513 is close to the length of the closing clip 200 to ensure that the plug is just right after the closing clip 200 is clamped the previous time. It is stuck at the position of the anti-return clip 514 to prevent the ejector rod 511 from automatically returning. Further, the distance between the first pair of cavities and the second plug 31 at 513 is close to the length of the closing clip 200, and the length of the through slot 512 is close to the length of the storage compartment 50. Preferably, the depth of the cross-sectional direction of the cavity 513 is the same as the thickness of the elastic sheet or strip.

优选地，所述管杆20前端设有管杆安装部21，优选地，所述管杆安装部21优选为空心柱体。所述管杆安装部21设有通孔22，所述储料舱50设有狭长孔51和圆孔55，狭长孔51和圆孔55即为图2中的长通孔51和圆孔，所述钳头30包括一对钳臂31a，一对所述钳臂31a相对的内侧面分别设有轴向延伸的斜向槽32a，所述斜向槽32a与储料舱50相通，使闭合夹200在送料装置5推动下进入斜向槽32a；所述钳臂31a后端分别设有轴孔310和斜向孔311，所述第一插栓32插入所述通孔22、圆孔55和斜向孔311，所述第二插栓31插入所述狭长孔51和轴孔310，以将所述管杆20前端和所述钳臂31a相连，并使所述钳头30绕着所述第一插栓32运动，产生剪切作用或夹紧和松开动作。进一步地，所述钳头30绕着所述第一插栓32运动时，以所述第一插栓32为支点，第二插栓31为活动销，通过斜向运动，产生剪切作用或夹紧和松开动作，狭长孔51的长度用于限定钳头30张开的幅度。优选地，所述狭长孔51沿着送料方向具有预定长度的延伸，使钳头30张开足够的幅度，方便夹取闭合夹200。Preferably, the front end of the pipe rod 20 is provided with a pipe rod mounting portion 21, and preferably, the pipe rod mounting portion 21 is preferably a hollow cylinder. The pipe rod mounting portion 21 is provided with a through hole 22, and the storage compartment 50 is provided with a long narrow hole 51 and a round hole 55. The long narrow hole 51 and the round hole 55 are the long through hole 51 and the round hole in FIG. The pliers head 30 includes a pair of pliers arms 31a. The opposite inner sides of the pair of pliers arms 31a are respectively provided with axially extending oblique grooves 32a. The oblique grooves 32a communicate with the storage compartment 50 to close The clamp 200 is pushed into the oblique groove 32a by the feeding device 5; the rear end of the clamp arm 31a is provided with a shaft hole 310 and an oblique hole 311, and the first plug 32 is inserted into the through hole 22 and the round hole 55 And the oblique hole 311, the second plug 31 is inserted into the elongated hole 51 and the shaft hole 310 to connect the front end of the pipe rod 20 and the pliers arm 31a, and make the pliers head 30 around the The movement of the first plug 32 produces a shearing action or a clamping and unclamping action. Further, when the pliers head 30 moves around the first plug 32, the first plug 32 is used as a fulcrum, and the second plug 31 is a movable pin. Through oblique movement, a shearing effect or For clamping and unclamping actions, the length of the elongated hole 51 is used to limit the opening range of the pliers head 30. Preferably, the elongated hole 51 has a predetermined length extension along the feeding direction, so that the pliers head 30 is opened to a sufficient extent to facilitate the clamping of the closing clip 200.

请参阅图8和图10，所述储料舱50具有前舱61和后舱62，即前述图1-6中的前仓和后仓，所述前舱61用于存放闭合夹200。所述后舱62的前端向前延伸有互相平行并上下间隔的上唇片52和下唇片53，所述上唇片52和下唇片53设有所述圆孔55，所述第一插栓32的长度与上唇片52和下唇片53之间的距离相同，所述钳头30末端夹于前舱61外壁、上唇片52和下唇片53之间，通过所述第一插栓32在所述圆孔55内运动以带动钳头30张开或夹紧。进一步地，所述储料舱50优选为管状，储料舱50的前舱61更优选为扁平管状，使结构更加紧凑，提高器械精度。Referring to FIGS. 8 and 10, the storage compartment 50 has a front compartment 61 and a rear compartment 62, that is, the front compartment and the rear compartment in the aforementioned FIGS. 1-6, and the front compartment 61 is used to store the closing clip 200. The front end of the rear compartment 62 extends forwardly with an upper lip 52 and a lower lip 53 that are parallel to each other and spaced up and down. The upper lip 52 and the lower lip 53 are provided with the round hole 55, and the first plug The length of 32 is the same as the distance between the upper lip 52 and the lower lip 53, and the end of the clamp head 30 is clamped between the outer wall of the front compartment 61, the upper lip 52 and the lower lip 53, and passes through the first plug 32 It moves in the circular hole 55 to drive the clamp head 30 to open or clamp. Further, the storage compartment 50 is preferably a tubular shape, and the front compartment 61 of the storage compartment 50 is more preferably a flat tubular shape, which makes the structure more compact and improves the accuracy of the equipment.

优选地，所述圆孔55靠近于后舱口，所述圆孔55与所述前舱62的前端之间的距离不小于两个闭合夹200的长度，所述第一插栓32和第二插栓31不会阻挡闭合夹200，前舱62足够容纳两个闭合夹。Preferably, the round hole 55 is close to the rear hatch, and the distance between the round hole 55 and the front end of the front compartment 62 is not less than the length of the two closing clips 200, the first plug 32 and the second The two plugs 31 will not block the closing clip 200, and the front compartment 62 is sufficient to accommodate two closing clips.

上述防止连发施夹钳自动退位装置，在顶杆511上设置贯穿槽512和防回退夹扣514，通过所述第一插栓32插入所述通孔22、圆孔55和斜向孔311，所述第二插栓31插入所述狭长孔51和轴孔310，以将所述管杆20前端、储料仓6和所述钳臂31a相连，两个所述插栓再穿入所述贯穿槽512，通过所述防回退夹扣514的作用，使得所述顶杆511在夹紧第一个闭合夹200后不会自动退位，而是留在原处，便于下一次夹紧闭合夹200，能够及时精准快速的给多根血管止血，整个过程操作简便，提高了施夹效率，缩短手术时间，提高手术效率，可以最大限度减少出血，提高手术质量，降低手术风险。In the above-mentioned automatic retreat device for preventing continuous hair clip applicator, a through slot 512 and an anti-return clip 514 are provided on the top rod 511, and the through hole 22, the round hole 55 and the oblique hole are inserted through the first plug 32 311. The second plug 31 is inserted into the elongated hole 51 and the shaft hole 310 to connect the front end of the pipe rod 20, the storage bin 6 and the clamp arm 31a, and the two plugs are then inserted The through groove 512, through the action of the anti-return clip 514, makes the ejector rod 511 not automatically retract after clamping the first closing clip 200, but stays in place for the next clamping The closed clip 200 can stop bleeding from multiple blood vessels in time, accurately and quickly. The whole process is easy to operate, improves the efficiency of clip application, shortens the operation time, improves the operation efficiency, can minimize bleeding, improve the quality of the operation, and reduce the operation risk.

需要说明的是，以上所述仅为本发明的优选实施例，并不用于限制本发明，对于本领域技术人员而言，本发明可以有各种改动和变化。凡在本发明的精神和原理之内所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。It should be noted that the above descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (15)

一种连发施夹钳，包括推动手柄、管杆及安装于管杆前端的钳头，其特征在于，还包括设于所述管杆内的送料装置、推拉杆和储料仓，所述送料装置包括传送件和推动所述传送件移动的驱动件；所述管杆的近前端设有轴杆，所述轴杆用于固定所述钳头，所述传送件具有条形通槽，所述条形通槽的两侧槽壁具有至少一对突出的防回退夹扣，所述轴杆穿过所述条形通槽后两端固定于所述管杆，所述防回退夹扣末端直径小于所述轴杆的直径，所述轴杆在所述传送件推送闭合夹后被弹性夹持与两个所述防回退夹扣之间，以防止所述传送件回退。A continuous hair clip applicator, comprising a push handle, a pipe rod and a clamp head installed at the front end of the pipe rod, and is characterized in that it also includes a feeding device, a push-pull rod and a storage bin arranged in the pipe rod. The feeding device includes a transmission member and a driving member that pushes the transmission member to move; the proximal end of the pipe rod is provided with a shaft rod for fixing the pliers head, and the transmission member has a bar-shaped through groove, At least one pair of protruding anti-return clamps are provided on both sides of the bar-shaped through groove. The two ends of the shaft are fixed to the pipe rod after passing through the bar-shaped through groove. The diameter of the end of the clamp is smaller than the diameter of the shaft, and the shaft is elastically clamped between the two anti-return clamps after the transmission member pushes the closing clamp to prevent the transmission member from retreating . 如权利要求1所述的连发施夹钳，其特征在于，所述储料仓包括前仓和后仓，所述前仓延伸至所述钳头的开口处，所述前仓与所述后仓的连接处设有上唇片和下唇片，所述上唇片和所述下唇片分别设于所述前仓的上部和下部，并与所述前仓的顶部和底部之间具有间隔，所述后仓的左右两侧具有条形侧边槽，所述前仓和所述后仓一体成型，所述后仓的后端螺纹连接至所述推拉杆的前端。The continuous hair clip applier according to claim 1, wherein the storage bin comprises a front bin and a rear bin, the front bin extends to the opening of the clamp head, and the front bin and the An upper lip and a lower lip are arranged at the connection of the rear compartment, the upper lip and the lower lip are respectively arranged on the upper and lower parts of the front compartment, and are spaced apart from the top and bottom of the front compartment , The left and right sides of the rear bin are provided with strip side grooves, the front bin and the rear bin are integrally formed, and the rear end of the rear bin is threadedly connected to the front end of the push-pull rod. 如权利要求2所述的连发施夹钳，其特征在于，所述钳头包括相对的一对钳臂，所述钳臂的内侧设有导向槽，所述导向槽构造为所述前仓的延伸，所述导向槽底部的近顶端设有防脱孔，闭合夹的外侧具有凸柱，所述传送件推动闭合夹自所述前仓的开口处滑入所述导向槽，闭合夹的在自身张力作用下张开，使闭合夹外侧壁的凸柱卡设于所述防脱孔内。The continuous hair clip applier according to claim 2, wherein the pliers head includes a pair of opposed pliers arms, a guide groove is provided on the inner side of the pliers arms, and the guide groove is configured as the front compartment The bottom of the guide groove is provided with an anti-drop hole at the top end, the outer side of the closing clip is provided with a convex post, the transmission member pushes the closing clip to slide into the guide groove from the opening of the front compartment, and the closing clip It is opened under the action of its own tension, so that the convex post of the outer side wall of the closing clip is clamped in the anti-drop hole. 如权利要求2所述的连发施夹钳，其特征在于，所述传送件包括顶杆和中空腔，所述中空腔内容置有所述推拉杆，所述中空腔的前端两侧具有沿所述中空腔轴向延伸的侧边条，所述侧边条穿设于所述侧边槽内；所述顶杆连接至所述侧边条的顶端，所述条形通槽沿所述顶杆的长度方向延伸，所述防回退夹扣成对设置，且所述防回退夹扣由所述条形通槽的内侧壁伸出并沿着闭合夹的传送方向延伸；所述防回退夹扣的顶端设有凸起，所述凸起指向所述条形通槽的内部，相对的两个所述凸起之间的距离小于所述轴杆的直径。The continuous hair clip applier according to claim 2, wherein the transfer member includes a top rod and a hollow cavity, the hollow cavity is provided with the push-pull rod, and both sides of the front end of the hollow cavity have edges The side strip extending axially from the hollow cavity, the side strip passes through the side groove; the top rod is connected to the top end of the side strip, and the strip through groove extends along the The ejector rod extends in the length direction, the anti-return clips are arranged in pairs, and the anti-return clips extend from the inner side wall of the strip-shaped through groove and extend along the conveying direction of the closing clip; The top end of the anti-return clip is provided with a protrusion, the protrusion points to the inside of the bar-shaped through groove, and the distance between the two opposite protrusions is smaller than the diameter of the shaft. 如权利要求4所述的连发施夹钳，其特征在于，所述钳头包括相对的一对钳臂，所述钳臂包括扁平的安装部，两个所述安装部分别设于所述上唇片和所述下唇片与所述前仓之间的间隔内，所述钳尾具有轴孔和斜向孔，所述轴孔内穿设有所述轴杆，一对所述斜向孔分别设置于两个所述安装部后端，并由外向内相交，所述斜向孔内穿设有转动轴。The hair clip applier according to claim 4, wherein the pliers head includes a pair of opposed pliers arms, the pliers arms include a flat mounting portion, and the two mounting portions are respectively provided on the In the space between the upper lip and the lower lip and the front compartment, the pliers tail has a shaft hole and an oblique hole, the shaft hole is penetrated with the shaft, a pair of the oblique The holes are respectively arranged at the rear ends of the two mounting parts and intersect from the outside to the inside, and a rotating shaft is penetrated in the oblique holes. 如权利要求5所述的连发施夹钳，其特征在于，所述前仓具有长通孔和圆孔，所述长通孔沿所述前仓长度方向延伸，所述轴杆穿设于所述传送件的条形通槽、所述前仓的长通孔和所述安装部的轴孔，所述轴杆的两端分别固定连接至所述管杆的上侧壁和下侧壁；所述转动轴穿设于所述传送件的条形通槽、所述前仓的圆孔和所述安装部的斜向孔，所述转动轴的两端分别固定连接至所述上唇片和所述下唇片。The continuous hair clip applier according to claim 5, wherein the front compartment has a long through hole and a round hole, the long through hole extends along the length of the front compartment, and the shaft passes through The bar-shaped through groove of the conveying member, the long through hole of the front cabin, and the shaft hole of the mounting portion, and both ends of the shaft rod are fixedly connected to the upper and lower side walls of the pipe rod, respectively The rotating shaft passes through the bar-shaped through groove of the conveying member, the circular hole of the front cabin and the oblique hole of the mounting portion, and both ends of the rotating shaft are respectively fixedly connected to the upper lip And the lower lip piece. 如权利要求1所述的连发施夹钳，其特征在于，所述驱动件包括齿轮组件，所述齿轮组件包括齿轮和远离所述齿轮侧的轮把手；所述传送件后端具有齿条纹，所述推动手柄连接一个安装管，所述安装管对应于所述齿条纹的位置开设有齿条槽，所述齿轮伸入所述齿轮槽并与所述齿条纹啮合；所述齿轮组件通过一个固定轴和一个保险轴安装于所述安装管上，所述齿轮组件以所述固定轴为轴转动，所述保险轴用于锁死或者打开所述齿轮组件。The continuous hair clip applier according to claim 1, wherein the driving member includes a gear assembly, the gear assembly includes a gear and a wheel handle far away from the gear; the rear end of the transmission member has a tooth stripe , The push handle is connected to a mounting tube, the mounting tube is provided with a rack groove corresponding to the position of the tooth stripe, the gear extends into the gear groove and meshes with the tooth stripe; the gear assembly passes A fixed shaft and a safety shaft are installed on the installation tube, the gear assembly rotates around the fixed shaft, and the safety shaft is used to lock or open the gear assembly. 如权利要求7所述的连发施夹钳，其特征在于，所述齿轮组件具有第一固定孔和弧形通孔，所述弧形通孔与所述齿轮的方向相同，并设于所述齿轮和所述第一固定孔之间；所述齿轮槽两侧分别向外延伸有固定件，所述齿轮组件设于两个所述固定件之间，所述固定件具有第二固定孔和保险孔，所述第二固定孔的位置对应于所述第一固定孔的位置，所述保险孔的位置对应于所述弧形通孔的位置；所述第一固定孔和所述第二固定孔内穿设有固定轴，所述齿轮组件以所述固定轴为轴转动；所述保险孔和所述弧形通孔内穿设有保险轴，所述齿轮组件转动时，所述弧形通孔转动时经过所述保险孔。The continuous hair clip applier according to claim 7, wherein the gear assembly has a first fixing hole and an arc-shaped through hole, and the arc-shaped through hole has the same direction as the gear and is arranged in the Between the gear and the first fixing hole; fixing pieces extend outwardly on both sides of the gear groove, the gear assembly is arranged between the two fixing pieces, and the fixing piece has a second fixing hole And a safety hole, the position of the second fixing hole corresponds to the position of the first fixing hole, the position of the safety hole corresponds to the position of the arc-shaped through hole; the first fixing hole and the first fixing hole A fixed shaft is penetrated in the two fixed holes, and the gear assembly rotates around the fixed shaft; a safety shaft is penetrated in the safety hole and the arc-shaped through hole. When the gear assembly rotates, the The arc-shaped through hole passes through the safety hole when rotating. 如权利要求8所述的连发施夹钳，其特征在于，所述保险轴包括弹性件和相对设置的基座、轴销，所述轴销螺纹固定于所述基座内，所述轴销和所述基座外侧顶端均具有突出的边缘，所述弹性件设于所述基座与所述固定件之间。The continuous hair clip applier according to claim 8, wherein the safety shaft includes an elastic member, a base and a shaft pin that are arranged oppositely, and the shaft pin is threadedly fixed in the base, and the shaft Both the pin and the outer top end of the base have protruding edges, and the elastic member is arranged between the base and the fixing member. 如权利要求1-9任一项所述的连发施夹钳，其特征在于，所述前仓内放置有多个闭合夹，所述推拉杆的后端连接至所述推动手柄，并在所述推动手柄的推动下移动，所述推拉杆的前端活动连接至所述后仓的后端，所述前仓的前端连接至所述钳头，并使所述钳头张开或者闭合；所述传送件伸入所述前仓内，所述传送件的顶端具有凹槽，所述凹槽卡设于闭合夹后端的突起，并将闭合夹依次推送至所述钳头。The continuous hair clip applier according to any one of claims 1-9, wherein a plurality of closing clips are placed in the front compartment, and the rear end of the push-pull rod is connected to the push handle, and When the push handle moves under the push of the push handle, the front end of the push-pull rod is movably connected to the rear end of the rear compartment, and the front end of the front compartment is connected to the pliers head to open or close the pliers head; The transmission member extends into the front compartment, and the top end of the transmission member has a groove, and the groove is clamped on the protrusion at the rear end of the closing clip, and the closing clip is sequentially pushed to the pliers head. 一种防止连发施夹钳自动退位装置，所述连发施夹钳包括管杆以及装于管杆前端的钳头、推拉杆、送料装置和储料舱，所述储料舱内置有多个用于夹紧血管的闭合夹，其特征在于，所述自动退位装置包括顶杆、第一插栓和第二插栓，所述顶杆连接于送料装置的前端，所述顶杆设有贯穿槽，两个所述插栓分别穿过钳头及储料舱后穿入所述贯穿槽，两个所述插栓作为钳头张开或夹紧活动的枢轴，所述贯穿槽的两侧槽壁分别开设有至少一对凹腔，所述凹腔的腔壁凸设有沿着送料方向延伸的防回退夹扣，每一对所述凹腔以贯穿槽的中心线对称设置，两个所述插栓的直径小于所述贯穿槽宽度且大于所述两个防回退夹扣自由前端之间的宽度，所述顶杆伸入于储料舱以推动闭合夹进入钳头内，所述插栓在顶杆推送闭合夹后被弹性夹持于两个防回退夹扣间以阻止顶杆退回。A device for preventing automatic relocation of a continuous hair clip applier. The continuous hair clip applier comprises a pipe rod and a clamp head mounted on the front end of the pipe rod, a push-pull rod, a feeding device, and a storage compartment. A closure clip for clamping blood vessels, characterized in that, the automatic retraction device includes a top rod, a first plug and a second plug, the top rod is connected to the front end of the feeding device, and the top rod is provided with The two plugs respectively pass through the pliers head and the storage compartment and then penetrate into the through groove. The two plugs serve as pivots for opening or clamping the pliers. At least one pair of cavities are respectively provided on both sides of the groove walls, and the cavity walls of the cavities are convexly provided with anti-return clip buckles extending along the feeding direction, and each pair of the cavities are symmetrically arranged with the center line passing through the groove , The diameter of the two plugs is smaller than the width of the through groove and larger than the width between the free front ends of the two anti-return clamps, and the ejector rod extends into the storage compartment to push the closing clamp into the clamp head Inside, the plug is elastically clamped between two anti-return clips after the ejector pin pushes the closing clip to prevent the ejector pin from retreating. 如权利要求11所述的防止连发施夹钳自动退位装置，其特征在于，所述凹腔为贯穿槽的两槽壁向内开设的与所述贯穿槽平行且贯通的凹槽，所述防回退夹扣具有靠近钳头方向的所述自由前端和远离钳头方向的后端，所述前端自贯穿槽向外凸伸，所述后端用于提供弹力并同时避开所述插栓，所述凹腔具有两对，两对所述凹腔之间的距离与所述闭合夹的长度接近。The automatic repositioning device for preventing the continuous hair clip applier according to claim 11, wherein the cavity is a groove parallel to and penetrating with the through groove opened inwardly on the two groove walls of the through groove, and the The anti-return clip has the free front end in the direction close to the clamp head and the rear end in the direction away from the clamp head. The front end protrudes outward from the through groove, and the rear end is used to provide elastic force while avoiding the insertion A bolt, the cavity has two pairs, and the distance between the two pairs of cavities is close to the length of the closing clip. 如权利要求11所述的防止连发施夹钳自动退位装置，其特征在于，所述管杆前端设有管杆安装部，所述管杆安装部设有通孔，储料舱所述储料舱设有狭长孔和圆孔，所述钳头包括一对钳臂，一对所述钳臂相对的内侧面分别设有轴向延伸的斜向槽，所述斜向槽与储料舱相通，使闭合夹在送料装置推动下进入斜向槽；所述钳臂后端分别设有轴孔和斜向孔，所述第一插栓插入所述通孔、圆孔和斜向孔，所述第二插栓插入所述狭长孔和轴孔，以将所述管杆前端和所述钳臂相连，并使所述钳头绕着所述第一插栓运动，产生剪切作用或夹紧和松开动作。The automatic repositioning device for preventing continuous hair clip applier according to claim 11, wherein the front end of the pipe rod is provided with a pipe rod mounting portion, the pipe rod mounting portion is provided with a through hole, and the storage compartment The material compartment is provided with a long and narrow hole and a round hole. The clamp head includes a pair of clamp arms. The opposite inner sides of the pair of clamp arms are respectively provided with axially extending oblique grooves. Communicate with each other so that the closing clip enters the oblique slot under the push of the feeding device; the rear end of the clamp arm is provided with a shaft hole and an oblique hole, and the first plug is inserted into the through hole, the round hole and the oblique hole, The second plug is inserted into the elongated hole and the shaft hole to connect the front end of the pipe rod and the pliers arm, and make the pliers head move around the first plug to produce a shearing effect or Clamping and releasing action. 如权利要求11所述的防止连发施夹钳自动退位装置，其特征在于，所述防回退扣件为弹性片或弹性条，所述弹性片或弹性条平行于所述送料方向，所述凹腔的截面方向的深度与所述弹性片或弹性条的厚度相同。The device for preventing automatic reposition of the continuous hair clip applier according to claim 11, wherein the anti-return fastener is an elastic sheet or strip, and the elastic sheet or strip is parallel to the feeding direction, so The depth of the cross-sectional direction of the cavity is the same as the thickness of the elastic sheet or strip. 如权利要求11所述的防止连发施夹钳自动退位装置，其特征在于，靠前一对所述凹腔与第二插栓之间的距离与闭合夹的长度接近，贯穿槽的长度与储料舱的长度接近，所述圆孔与所述前舱的前端之间的距离不小于两个闭合夹的长度，所述狭长孔沿着送料方向具有预定长度的延伸。The automatic repositioning device for preventing the continuous hair clip applier according to claim 11, wherein the distance between the first pair of the cavity and the second plug is close to the length of the closing clip, and the length of the penetrating groove is The length of the storage compartment is close, the distance between the round hole and the front end of the front compartment is not less than the length of the two closing clips, and the elongated hole has a predetermined length extension along the feeding direction.
PCT/CN2020/107299 2019-08-09 2020-08-06 Multi-fire clip applier and apparatus preventing multi-fire clip applier from automatically retreating Ceased WO2021027667A1 (en)

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CN201910732770.8 2019-08-09
CN201910733751.7 2019-08-09
CN201910732770.8A CN110432946B (en) 2019-08-09 2019-08-09 Automatic withdrawing device for preventing continuous hair clip applier
CN201910733751.7A CN110432947B (en) 2019-08-09 2019-08-09 Continuous hair clip applier

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Citations (6)

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Publication number Priority date Publication date Assignee Title
WO1996024294A1 (en) * 1995-02-08 1996-08-15 Ethicon Endo Surgery Inc Surgical clip applicator
CN206612825U (en) * 2016-11-23 2017-11-07 张大宏 Cartridge-type running fire clip appliers
CN108577923A (en) * 2018-06-21 2018-09-28 黄荣泉 Running fire Clip Applier
CN110432947A (en) * 2019-08-09 2019-11-12 黄皆澔 Running fire Clip Applier
CN110432946A (en) * 2019-08-09 2019-11-12 黄皆澔 Prevent running fire Clip Applier from giving up the throne automatically device
CN211534629U (en) * 2019-08-09 2020-09-22 黄皆澔 Repeating clip applier

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996024294A1 (en) * 1995-02-08 1996-08-15 Ethicon Endo Surgery Inc Surgical clip applicator
CN206612825U (en) * 2016-11-23 2017-11-07 张大宏 Cartridge-type running fire clip appliers
CN108577923A (en) * 2018-06-21 2018-09-28 黄荣泉 Running fire Clip Applier
CN110432947A (en) * 2019-08-09 2019-11-12 黄皆澔 Running fire Clip Applier
CN110432946A (en) * 2019-08-09 2019-11-12 黄皆澔 Prevent running fire Clip Applier from giving up the throne automatically device
CN211534629U (en) * 2019-08-09 2020-09-22 黄皆澔 Repeating clip applier

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