CN115736784A - Integrated visual system and working method - Google Patents

Abstract

The invention discloses an integrated visual system and a working method, relates to the technical field of medical instruments, solves the problem of high use difficulty of the existing endoscope hard lens, reduces experience dependence, and has the following specific scheme: the visual inner core, the hole closer and the sheath pipe are sequentially nested and combined from inside to outside, a camera module is fixedly arranged at the head end of the visual inner core, a transparent head is fixedly arranged at the head end of the hole closer, the head end of the camera module supports against the end face of the transparent head and images through the transparent head, a visual inner core seat, a hole closer seat and a sheath pipe seat are respectively arranged at the tail end of the visual inner core, the hole closer, the visual inner core and the sheath pipe, the visual inner core can be detachably connected with each other, can be inserted into the sheath pipe after the hole closer is detached and can be recombined with the sheath pipe, and a water port and a control valve are arranged on the sheath pipe.

Description

Integrated visual system and working method

Technical Field

The invention relates to the technical field of medical instruments, in particular to an integrated visual system and a working method.

Background

Medical visualization systems are generally devices capable of providing a field of view imaging for surgical procedures, and are commonly referred to as endoscopes, where rigid endoscopes are often used for invading tissues.

The inventor finds that the traditional endoscope hard lens is an optical hard lens generally, the traditional endoscope hard lens is only a set of optical lens, the camera shooting function cannot be realized, and special imaging equipment is needed to be matched, so that the use cost is greatly increased, and the use difficulty is also increased; the traditional endoscope hard mirror can not realize contact imaging, so that a special mirror sheath and a obturator are needed, the endoscope hard mirror is firstly placed into tissues, the obturator is pulled out to keep the mirror sheath to establish a channel, and then the endoscope is inserted into the mirror sheath for use, so that the problem that the mirror sheath and the obturator are invisible when being inserted into the tissues and can only be blindly operated according to experience is solved, the operation difficulty of doctors is increased, the psychological pressure is increased, the operation failure rate is increased, the tissue damage of patients is easily caused, the types of instruments are increased, and the operation and the maintenance are more complicated; the traditional endoscope sheath only has the function of preventing water return by a simple sealing ring, can only realize the water return prevention when an instrument is inserted inside, can only prevent the water return by using methods such as finger pressing and the like before the endoscope is inserted after a hole closing device is pulled out, and is inconvenient to use.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide an integrated visual system and a working method, wherein a visual inner core, a hole closing device and a sheath tube are arranged into a nested structure, so that integrated assembly and flexible disassembly are realized, and auxiliary instruments do not need to be additionally matched; the camera module is arranged, so that interference imaging is realized, a whole-course visual function is realized by one set of system, and a huge and complex endoscope imaging system is not needed; the sheath tube seat is provided with the one-way cap and the sealing cap for sealing, the phenomenon of water return cannot occur in the whole process of taking out and putting in the obturator and the visible inner core, and the problem that the existing hard endoscope is difficult to use is solved.

In order to realize the purpose, the invention is realized by the following technical scheme:

in a first aspect, the invention provides an integrated visual system, which comprises a visual inner core, a hole closing device and a sheath tube which are sequentially nested and combined from inside to outside, wherein a camera module is fixedly arranged at the head end of the visual inner core, a transparent head is fixedly arranged at the head end of the hole closing device, the head end of the camera module props against the end face of the transparent head and images through the transparent head, a visual inner core seat, a hole closing device seat and a sheath tube seat are respectively arranged at the tail ends of the visual inner core, the hole closing device, the visual inner core and the sheath tube are detachably connected, the visual inner core can be inserted into the sheath tube and recombined with the sheath tube after the hole closing device is disassembled, and a water gap and a control valve are arranged on the sheath tube.

As a further implementation manner, the visual inner core is composed of an inner core seat, an outer tube fixedly arranged on the inner core seat, a supporting tube and a camera module fixedly arranged at the head end of the supporting tube, the supporting tube is positioned inside the outer tube, and the camera module is obliquely arranged.

As a further implementation manner, the camera module is fixedly arranged in the camera module through a bracket, one end of the bracket is an inclined supporting surface, the camera module is obliquely and fixedly arranged on the supporting surface of the bracket, the other end of the bracket is inserted and fixed at the end part of the supporting tube, and the outer tube is circumferentially locked with the supporting tube.

As a further implementation mode, the sheath tube is composed of a sheath tube seat and a sheath tube body fixedly arranged on the sheath tube seat, the head end of the sheath tube body is of an open structure, a one-way cap and a sealing cap are installed in the sheath tube seat, one side, close to the sheath tube body, of the one-way cap is provided with a cross-shaped column portion, the column portion is of a thin-wall structure made of soft materials, a cross-shaped opening used for the hole closing device to penetrate through is formed in the column portion, the center of the sealing cap is provided with a sealing opening, and the diameter of the sealing opening is smaller than the outer diameters of the visual inner core outer tube and the hole closing device.

As a further implementation mode, a pressing plate is further arranged in the sheath tube seat and used for transition connection between the one-way caps and the sealing caps with different diameters, and the head end of the obturator or the visible inner core sequentially penetrates through the sealing caps, the pressing plate and the one-way caps and extends out of the head end of the sheath tube body.

As a further implementation mode, the one-way cap, the sealing cap and the pressing plate are coaxially arranged.

As a further implementation mode, the hole closing device, the visual inner core and the sheath tube are connected in a clamping mode and can be detachably connected, and the hole closing device is composed of a transparent head, a hole closing tube and a hole closing device seat which are connected in sequence.

As a further implementation mode, the inner core seat is provided with an elastic claw, and the sheath tube is provided with a bayonet matched with the elastic claw.

As a further implementation, the inner core holder is provided with a first recess for insertion of the obturator seat.

As a further implementation mode, a second bulge is arranged on the obturator seat, and a first limiting groove matched with the second bulge is arranged in the first pit and used for axially locking the inner core seat and the obturator seat.

As a further implementation manner, the obturator seat is provided with a second pit, the bullet claw is provided with a bullet claw abutting column matched with the second pit, and when the bullet claw is pressed, the bullet claw abutting column is extruded into the second pit to lock the obturator so as to prevent the obturator from falling off in the outward drawing process.

As a further implementation manner, a second bayonet is arranged on the inner core print seat; the obturator seat is provided with a clamping tongue which is used for being clamped with the inner core seat, the obturator seat is sleeved with a push sleeve, the push sleeve is provided with a clamping hole matched with the clamping tongue, and the clamping tongue can be extruded by the edge of the clamping hole to move and be separated from the second bayonet when the push sleeve is pulled.

As a further implementation mode, the sheath tube, the hole closing device and the visual inner core are sequentially connected in series and clamped.

As a further implementation manner, the inner core seat is provided with a first protrusion, and the sheath tube seat is provided with a second limiting groove matched with the first protrusion so as to align the circumferential direction and prevent reverse insertion.

As a further implementation mode, the water gap is provided with a barb-shaped boss which is suitable for the direct insertion connection of luer threads and a hose connected with luer.

As a further implementation manner, the transparent head is of a round blunt head structure and is made of a transparent material.

As a further implementation, the sheath is graduated to indicate the depth of insertion into the tissue.

In a second aspect, the present invention provides a working method of an integrated visual system, which comprises the following specific steps:

assembling and clamping the visible inner core, the obturator and the sheath;

inserting the head end of the sheath tube body into the joint, and observing the insertion depth and the position reached by the transparent head by using the camera module in the insertion process;

after the insertion is in place, the connection between the visible inner core and the hole closing device and the sheath tube is cancelled, and the whole structure consisting of the visible inner core and the hole closing device is pulled out from the sheath tube;

and the connection between the visual inner core and the obturator is cancelled, and the visual inner core is reinserted into the sheath tube.

The beneficial effects of the invention are as follows:

(1) The visual inner core, the hole closing device and the sheath tube are arranged into a nested structure, so that the integral assembly and flexible disassembly are realized, and auxiliary instruments do not need to be additionally matched; when in use, the medical instrument can be provided for doctors as a disposable scheme, any preparation in advance is not needed, the medical instrument can be integrally placed into the focus of a patient only by connecting a cable into a general display device such as a computer, and the tissue condition can be observed in real time through the transparent head of the obturator during the placement process, so that the accurate placement into a preset position is ensured; after putting into, the accessible is extracted the mode of reinsertion, and the obturator is demolishd fast in a flexible way, gets rid of the module the place ahead of making a video recording and shelters from, realizes clear visual effect, for the doctor provides clear operation field of vision, has really accomplished all operation process and has all visible.

(2) Due to the arrangement of the one-way cap and the sealing cap, the water return phenomenon can not occur in the whole process of using the system, including the process of taking out the obturator and reinserting the visual inner core, the manual plugging operation of a doctor is not needed, and the use difficulty is greatly reduced.

(3) According to the invention, the sheath tube seat, the obturator seat and the visible inner core seat are provided with the limiting grooves and the corresponding bulges, so that the locking of the rotation around the shaft can be realized, and the imaging direction of the camera module can be locked in use so as to accord with the use habit of a doctor.

(4) The transparent head is arranged in front of the hole closing device, so that light can be guided, the imaging distance of the camera module can be provided, the camera module can effectively image tissues in front of the transparent head, the anti-pollution effect can be achieved, the camera module can effectively prevent blood, tissues and the like from polluting the camera module in the process of inserting into the joint, and the imaging definition in the process of inserting into the joint is improved.

(5) According to the invention, as the elastic claw supporting column is fixedly arranged on the elastic claw, when the visual inner core is disassembled, the first elastic claw can be separated from the first bayonet on the sheath tube seat by pressing the first elastic claw button, and meanwhile, the elastic claw supporting column can be driven by the elastic claw to support the second pit so as to lock the obturator seat, so that the obturator seat cannot fall off when being pulled outwards, and the disassembly is facilitated by one-key operation.

(6) The one-way cap is provided with a cross-shaped column part at one side close to the sheath tube body, the column part is of a thin-wall structure, the column part is provided with a cross-shaped opening, the hole closing device/the visual inner core can penetrate out of the cross-shaped opening, the cross-shaped opening is opened, sealing is realized through the sealing cap, and when the hole closing device/the visual inner core is pulled out, the cross-shaped opening can be actively closed to play a role in preventing water from returning so as to prevent water from flowing out of the sealing cap.

(7) The pressure plate is positioned between the sealing cap and the one-way cap to play a transition role, so that the contact area between the sealing cap and the one-way cap is increased, the close contact and the sealing capability between the one-way cap and the sealing cap can be ensured, and the one-way cap sealing device is also suitable for the case that the diameters of the one-way cap and the sealing cap are different.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.

FIG. 1 is a schematic diagram of the overall architecture of an integrated vision system in accordance with one or more embodiments of the present invention;

FIG. 2 is a schematic cross-sectional view of an overall configuration of an integrated vision system in accordance with one or more embodiments of the present invention;

FIG. 3 is a schematic diagram of an obturator separated from a sheath according to one or more embodiments of the invention;

FIG. 4 is a schematic diagram of an overall explosive structure of an integrated vision system in accordance with one or more embodiments of the present invention;

FIG. 5 is a schematic cross-sectional view A of the junction of FIG. 4;

FIG. 6 is a schematic cross-sectional view of the junction of FIG. 4 at B;

FIG. 7 is a schematic illustration of a sheath according to one or more embodiments of the present invention;

FIG. 8 is a schematic structural view of a one-way cap according to one or more embodiments of the present invention;

FIG. 9 is a schematic illustration of the construction of a platen according to one or more embodiments of the present invention;

FIG. 10 is a schematic illustration of a seal cap according to one or more embodiments of the present invention;

FIG. 11 is another schematic structural diagram (including a latch) of an obturator according to one or more embodiments of the invention;

FIG. 12 is a schematic illustration of a push sleeve according to one or more embodiments of the present disclosure;

figure 13 is another schematic structural view of a visual core according to one or more embodiments of the present invention;

fig. 14 is a schematic diagram of another configuration of an obturator according to one or more embodiments of the invention (including a second sabot);

in the figure: the mutual spacing or size is exaggerated to show the position of each part, and the schematic diagram is only used for illustration;

wherein, 1, a visible inner core; 11. a camera module; 111. a lens group; 112. a base; 113. a photosensitive element; 114. a light source;

12. a support; 121. a support surface; 122. a wire passing groove;

13. supporting a tube; 14. an outer tube; 15. a first latch button; 16. a first spring claw; 17. the elastic claw prop against the column; 18. an inner core print; 19. a first pit; 191. a second bayonet; 192. a first protrusion; 193. a first limit groove;

2. a hole closing device; 21. a transparent head; 22. an obturator tube; 23. a obturator seat; 231. a second pit; 24. a latch; 25. a push sleeve 251 and a clamping hole; 26. a second latch button; 261. a second elastic claw; 27. a second protrusion; 28. third bump

3. A sheath tube; 31. a sheath tube body; 32. a sheath seat; 321. a first bayonet; 322. a second limit groove; 33. a water gap; 34. a control valve; 35. a one-way cap; 351. a column portion; 36. a sealing cap; 37. and (7) pressing a plate.

Detailed Description

It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

Example 1

In a typical embodiment of the present invention, as shown in fig. 1 to fig. 10, an integrated visual system is provided, which includes a visual inner core 1, a hole closing device 2, and a sheath tube 3, which are sequentially nested and combined from inside to outside, a camera module 11 is fixedly disposed at a head end of the visual inner core 1, a transparent head 21 is fixedly disposed at a head end of the hole closing device, the head end of the camera module tightly abuts against an end face of the transparent head 21 and images through the transparent head 21, the hole closing device 2, the visual inner core 1, and the sheath tube 3 are detachably connected, and a water gap 33 and a control valve 34 are disposed on the sheath tube 3.

As shown in fig. 4, the visual core 1, the obturator 2 and the sheath 3 are coaxially arranged, and the visual core 1 is composed of an inner core seat 18, an outer tube 14 fixedly arranged on the inner core seat 18, a support tube 13 and a camera module 11 fixedly arranged at the head end of the support tube 13.

The supporting tube 13 is located inside the outer tube 14, the supporting tube 13 is coaxially arranged with the outer tube 14, the camera module 11 is obliquely and fixedly arranged on the support 12, the support 12 is inserted and fixed at the head end of the supporting tube 13, the camera module 11 is composed of a lens group 111, a base 112, a photosensitive element 113 and a light source 114, the lens group 111 and the photosensitive element 113 are both fixedly arranged on the base 112, the photosensitive element 113 is located behind the lens group 111, the base 112 is obliquely and fixedly arranged on the support 12, and the light source 114 is also fixedly arranged on the base 112 and at the same side with the lens group 111 for providing sufficient light source support for the lens group 111.

Wherein, be equipped with the holding surface 121 of slope on the support 12, base 112 is fixed to be set up on holding surface 121, because the gradient of holding surface 121 is controllable, the gradient of base 112 is effectively restricted to accessible holding surface 121, the fixed spacing muscle that is equipped with two relative settings on the lateral wall of base 112, fixed be equipped with on the lateral wall of support 12 with spacing muscle complex spacing fender, after base 112 installation targets in place, spacing fender can cooperate with spacing muscle, with the position of restriction base 112, guarantee the installation accuracy.

The bracket 12 is further provided with a wire passing groove 122, and a cable of the camera module 11 can extend into the supporting tube 13 through the wire passing groove 122, and then extends outwards through the supporting tube 13 and is connected with an external power supply and a host.

Be equipped with first bullet claw button 15 on the inner core seat 18, first bullet claw button 15 is connected with first bullet claw 16, and first bullet claw button 15 can drive first bullet claw 16 action, and inner core seat 18 accessible is first to be beaten 16 and is realized dismantling the connection with sheath pipe 3.

As shown in fig. 2, the first elastic claw 16 is provided with an elastic claw prop 17, which can cooperate with the second concave pit 231 on the obturator seat 23 to realize clamping, so as to realize positioning and fixing of the obturator 2.

One end of the inner core seat 18 close to the sheath tube 3 is provided with a first pit 19, the first pit 19 is coaxially arranged with the outer tube 14, a gap with a set width is arranged between the first pit 19 and the outer tube 14, and the hole closing device 2 can be sleeved on the outer tube 14 and inserted into the first pit 19.

The inner wall of the first pit 19 is provided with a first limit groove 193 which can be matched with the second bulge 27 on the obturator seat 23 to limit the rotation of the obturator 2; a first protrusion 192 is further fixedly disposed right above the first concave pit 19, and the first protrusion 192 can cooperate with the second limiting groove 322 on the sheath tube seat 32 to position the inner core seat 18 and prevent the inner core seat 18 from rotating.

The obturator 2 consists of a transparent head 21, an obturator tube 22 and an obturator seat 23, wherein the transparent head 21 is fixedly arranged at the head end of the obturator tube 22, the transparent head 21 is made of transparent materials, and the transparent head 21 is of a round blunt structure, so that the obturator is convenient to insert and can effectively prevent human tissues from being damaged; the trailing end of the obturator tube 22 is fixedly secured to the obturator seat 23 and the obturator tube 22 is coaxially disposed with the obturator seat 23.

Transparent head 21 not only can prevent the damage to human tissue, still plays anti-pollution effect, can effectively block pollution camera module 11 such as bloody water, tissue to joint male in-process to the improvement is inserting the definition of in-process formation of image to the joint.

As shown in fig. 3, the obturator seat 23 is inserted into the first recess 19, a second recess 231 and a second protrusion 27 are fixedly arranged on the outer wall of the obturator seat 23, the second recess 231 can be matched with the elastic claw support column 17 on the first elastic claw 16 to fix the position of the obturator seat 23, and the second protrusion 27 can be matched with the first limit groove 193 in the first recess 19 to prevent the obturator seat 23 from rotating.

Because the elastic claw support column 17 is fixedly arranged on the first elastic claw 16, when the visual inner core 1 is disassembled, the first elastic claw 16 can be separated from the first bayonet 321 on the sheath tube seat 32 by pressing the first elastic claw button 15, and meanwhile, the elastic claw support column 17 can be driven by the first elastic claw 16 to support the second pit 231 so as to lock the obturator seat 23, so that the obturator seat 2 cannot fall off when being pulled outwards.

The sheath tube 3 is composed of a sheath tube body 31 and a sheath tube seat 32, the sheath tube body 31 is fixedly arranged on the sheath tube seat 32, and the sheath tube body 31 and the sheath tube seat are coaxially arranged, the head end of the sheath tube body 31 is of an open structure, and the transparent head 21 can be allowed to extend outwards; one end of the sheath tube seat 32 close to the inner core seat 18 is provided with a first bayonet 321 and a second limiting groove 322, the second limiting groove 322 is used for being matched with the first protrusion 192 to realize the positioning of the inner core seat 18 so as to prevent the angle reverse insertion, and the first bayonet 321 can be matched with the first elastic claw 16 to realize the detachable connection between the inner core seat 18 and the sheath tube seat 32.

The sheath tube seat 32 is also fixedly provided with a water gap 33 and a control valve 34 for controlling the on-off of the water gap 33, the water gap 33 is provided with a luer thread and a barb-shaped boss, the luer thread is used for being connected with luer, and the barb-shaped boss is used for being directly connected with a hose.

In order to mark the depth of the sheath 3 inserted into the tissue, the sheath body 31 is provided with graduations along the longitudinal direction thereof.

As shown in fig. 2, a unidirectional cap 35, a sealing cap 36 and a pressing plate 37 are detachably mounted in the sheath tube seat 32, the unidirectional cap 35, the sealing cap 36 and the pressing plate 37 are coaxially arranged, the unidirectional cap 35 is close to the sheath tube body 31, wherein a cross-shaped column 351 is arranged on one side of the unidirectional cap 35 close to the sheath tube body 31, the column 351 is of a thin-wall structure made of soft materials such as silicon rubber, a cross-shaped opening is formed in the column 351, the hole closing device 2/the visible inner core 1 can penetrate through the cross-shaped opening, when the hole closing device 2/the visible inner core 1 is pulled out, the hole on the sealing cap 36 is not blocked, the cross-shaped opening can be actively closed to play a role of preventing water from returning, and water from flowing out through the hole on the sealing cap 36.

Sealing cap 36 is hollow structure, and sealing cap 36 central authorities are equipped with the seal opening, and the seal opening diameter is less than the external diameter of visual inner core outer tube and closure hole ware, and sealing cap 36 is the silicon rubber material, and sealing cap 36's main function improves sealing capacity, and the inside sealing of sheath tube seat 32 can effectively be guaranteed to the one-way cap 35 of cooperation, avoids inserting the problem that the process of organizing appears returning water.

The pressing plate 37 is also of a hollow plate-shaped structure, the pressing plate 37 is located between the one-way cap 35 and the sealing cap 36, a transition effect is achieved, the contact area between the sealing cap 36 and the one-way cap 35 is increased, close contact and sealing capacity between the one-way cap 35 and the sealing cap 36 can be guaranteed, and the sealing structure is suitable for use even if the diameters of the one-way cap 35 and the sealing cap 36 are different.

It is understood that the pressing plate 37 can be connected to the sheath tube seat 32 by bonding, clipping, etc., and the specific method can be selected according to actual requirements, which is not limited herein.

Example 2

In this embodiment, another connection mode of the obturator 2 is provided, as shown in fig. 11-13, a obturator seat 23 is fixedly disposed at the tail end of the obturator tube 22, two oppositely disposed locking tongues 24 are fixedly disposed at the side portion of the obturator seat 23, a push sleeve 25 engaged with the locking tongues 24 is further disposed, two locking holes 251 engaged with the locking tongues 24 are disposed on the push sleeve 25, the locking tongues 24 can be clamped in the locking holes 251 to fixedly connect the push sleeve 25 and the obturator seat 23, and a third protrusion 28 is further fixedly disposed on the outer wall of the push sleeve 25.

The inner wall of the first pit 19 of the inner core holder 18 is provided with two second bayonets 191 matched with the clamping tongues 24 besides the first limiting grooves 193, when the hole closing device 2 is inserted into the first pit 19, the clamping tongues 24 can penetrate through the clamping holes 251 to be clamped with the second bayonets 191, and meanwhile, the third protrusions 28 are matched with the first limiting grooves 193, so that the inner core holder 18 is fixedly connected with the hole closing device 2, and the rotation of the hole closing device 2 is effectively prevented.

Wherein, one side of the clamping tongue 24 close to the transparent head 21 extends outwards, so that when only the pushing sleeve 25 is pulled, the pushing sleeve 25 can extrude the clamping tongue 24 to realize the release of the obturator 2; if the obturator tube 22 is directly pulled, the obturator tube cannot be detached, so that the connection firmness of the obturator 2 and the visible inner core 1 is greatly ensured, and meanwhile, the obturator 2 and the visible inner core 1 are convenient to disassemble and assemble.

It should be noted that the first latch 16 of the inner core print 18 in this embodiment only functions as a detachable connection with the sheath 3.

Example 3

In the present embodiment, another connection mode of the obturator 2 is proposed, as shown in fig. 14, the obturator 2 is composed of a transparent head 21, an obturator tube 22 and an obturator seat 23, the transparent head 21 is fixedly arranged at the head end of the obturator tube 22, the transparent head 21 is made of transparent material, the transparent head 21 is of a round head structure, and the obturator seat 23 is fixedly arranged at the tail end of the obturator tube 22.

Wherein, the obturator seat 23 is fixedly provided with a second elastic claw button 26, the second elastic claw button 26 is fixedly connected with a second elastic claw 261, and the second elastic claw 261 is mainly used for being clamped with a first bayonet 321 on the sheath tube seat 32 so as to realize the detachable connection of the obturator seat 23 and the sheath tube seat 32;

meanwhile, one side of the obturator seat 23 close to the inner core seat 18 is provided with a third bayonet which is in clamping fit with the first elastic claw 16, namely the sheath tube seat 32, the obturator seat 23 and the inner core seat 18 are sequentially clamped in series.

Example 4

In another exemplary embodiment of the present invention, a working method of an integrated visual system is provided, which includes:

firstly, assembling a visual inner core 1, a hole closing device 2 and a sheath tube 3 and clamping to form an integrated visual system, so that an outer tube 14 of the visual inner core 1 is inserted into a obturator tube 22 of the hole closing device 2, the obturator tube 22 is inserted into a sheath tube body 31, and meanwhile, a transparent head 21 extends outwards from the head end of the sheath tube body 31;

inserting the head end of the sheath tube body 31 into the joint, observing the insertion depth and the position reached by the transparent head 21 by using the camera module 11 in the insertion process, and simultaneously protecting the camera module 11 from being polluted by using the transparent head 21;

after the visual inner core 1 and the hole closer 2 are inserted in place, the connection between the visual inner core 1 and the hole closer 2 and the sheath tube 3 is cancelled, the structural whole consisting of the visual inner core 1 and the hole closer 2 is pulled out from the sheath tube 3, and the one-way cap 35, the sealing cap 36 and the pressing plate 37 are arranged in the sheath tube seat 32, so that the problem of water return after the visual inner core 1 and the hole closer 2 are pulled out can be effectively solved;

the connection between the visual inner core 1 and the obturator 2 is cancelled, and the visual inner core 1 is reinserted into the sheath 3.

It is noted that a hose is constantly connected to the nozzle 33 to provide the required liquid or gas flow, which is controlled by the control valve 34.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (18)

1. The utility model provides an integrated visual system, its characterized in that includes visual inner core, obturator and the sheath pipe of from inside to outside nested combination in proper order, and the fixed module of making a video recording that is equipped with in head end of visual inner core, the fixed transparent head that is equipped with in head end of obturator, the head end of the module of making a video recording support the terminal surface of transparent head and see through the transparent head formation of image, and the tail end of visual inner core, obturator and sheath pipe is equipped with visual inner core seat, obturator seat and sheath pipe seat respectively, can dismantle the connection between obturator, visual inner core, the sheath pipe, visual inner core can insert in the sheath pipe and with the sheath pipe reconfiguration after the obturator is dismantled, is equipped with mouth of a river and control valve on the sheath pipe.

2. The integrated visual system according to claim 1, wherein the visual inner core is composed of an inner core seat, an outer tube fixedly arranged on the inner core seat, a supporting tube and a camera module fixedly arranged at the head end of the supporting tube, the supporting tube is positioned inside the outer tube, and the camera module is obliquely arranged.

3. The integrated visual system according to claim 2, wherein the camera module is fixedly arranged in the camera module through a bracket, one end of the bracket is an inclined supporting surface, the camera module is obliquely and fixedly arranged on the supporting surface of the bracket, the other end of the bracket is inserted into and fixed to the end of the supporting tube, and the outer tube is circumferentially locked with the supporting tube.

4. The integrated visual system according to claim 1, wherein the sheath tube comprises a sheath tube seat and a sheath tube body fixedly arranged on the sheath tube seat, the head end of the sheath tube body is of an open structure, a one-way cap and a sealing cap are arranged in the sheath tube seat, a cross-shaped column part is arranged on one side, close to the sheath tube body, of the one-way cap, the column part is of a thin-wall structure made of soft materials, a cross-shaped notch for the hole closing device to penetrate through is formed in the column part, a sealing opening is formed in the center of the sealing cap, and the diameter of the sealing opening is smaller than the outer diameters of the visual inner core outer tube and the hole closing device.

5. The integrated visualization system as claimed in claim 4, wherein a pressing plate is further provided in the sheath tube base for transition connection between the one-way caps and the sealing caps with different diameters, and the head end of the obturator or the visualization core sequentially passes through the sealing caps, the pressing plate and the one-way caps and extends out from the head end of the sheath tube body.

6. An integrated visual system according to claim 5, wherein the one-way cap, the sealing cap and the pressure plate are coaxially arranged.

7. The integrated visual system according to claim 1, wherein the obturator, the visual inner core and the sheath tube are detachably connected in a clamping manner, and the obturator comprises a transparent head, an obturator tube and an obturator seat which are sequentially connected.

8. The integrated vision system according to claim 7, wherein the inner core holder is provided with a spring claw, and the sheath tube is provided with a bayonet fitting with the spring claw.

9. The integrated vision system of claim 7, wherein the inner core print is provided with a first recess for insertion of an obturator plate.

10. The integrated vision system of claim 9, wherein the obturator seat is provided with a second protrusion, and the first recess is provided with a first limiting groove engaged with the second protrusion for axially locking the inner core seat and the obturator seat.

11. The integrated visual system according to claim 8, wherein the obturator seat is provided with a second concave pit, the bullet claw is provided with a bullet claw abutting column matched with the second concave pit, and when the bullet claw is pressed, the bullet claw abutting column is pressed into the second concave pit to lock the obturator so as to prevent the obturator from falling off in the process of outwards drawing.

12. The integrated vision system according to claim 7, wherein said inner core print is provided with a second bayonet; the obturator seat is provided with a clamping tongue which is used for being clamped with the second bayonet of the inner core seat, the obturator seat is sleeved with a push sleeve, the push sleeve is provided with a clamping hole matched with the clamping tongue, and the clamping tongue can be extruded by the edge of the clamping hole to move and be separated from the second bayonet when the push sleeve is pulled.

13. The integrated visualization system according to claim 7, wherein the sheath, the obturator and the visualization core are sequentially and serially engaged.

14. The integrated vision system of claim 7, wherein the inner core holder is provided with a first protrusion, and the sheath tube holder is provided with a second limiting groove engaged with the first protrusion for aligning the circumferential direction and preventing reverse insertion.

15. An integrated vision system according to claim 1, wherein said nozzle is provided with a barbed boss adapted for luer threading of a luer connection and direct hose connection.

16. The integrated vision system of claim 1, wherein the transparent tip is of a blunt configuration and is made of a transparent material.

17. The integrated visualization system of claim 1, wherein the sheath has graduations to indicate depth of insertion into tissue.

18. A method of operating an integrated visual system according to any of claims 1 to 17, in particular as follows:

assembling and clamping the visible inner core, the hole closing device and the sheath tube;

inserting the head end of the sheath tube body into the joint, and observing the insertion depth and the position where the transparent head reaches by using the camera module in the insertion process;

after the insertion is in place, the connection between the visual inner core and the obturator and the sheath is cancelled, and the structural whole consisting of the visual inner core and the obturator is pulled out from the sheath;

and the connection between the visual inner core and the obturator is cancelled, and the visual inner core is reinserted into the sheath tube.

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