CN208958211U - Handle assembly and stapler including the same - Google Patents
Handle assembly and stapler including the same Download PDFInfo
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- CN208958211U CN208958211U CN201721847008.7U CN201721847008U CN208958211U CN 208958211 U CN208958211 U CN 208958211U CN 201721847008 U CN201721847008 U CN 201721847008U CN 208958211 U CN208958211 U CN 208958211U
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- stapler
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- sliding block
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Abstract
本实用新型提供了一种把手组件及包括其的吻合器，其中把手组件包括：第一把手，设有第一滑槽和滑块，且滑块的一端设置有第一限位结构；把手壳体，设有第二滑槽，滑块的一端穿过第一滑槽后嵌设于第二滑槽中，第二滑槽的第二段设置有第二限位结构，两个限位结构之间设置有压簧；第二把手；滑块受外力向第二滑槽的第二段移动，压簧变形，第一把手可通过滑块推动第二把手旋转，且滑块脱离外力时，压簧的恢复力使滑块复位。本实用新型将把手分为第一把手和第二把手，通过滑块的移动位置来控制两者的联动状态，滑块在外力后可以在压簧的作用下复位，压簧的位置通过滑块的第一限位结构和把手壳体的第二限位结构进行限定，生产装配更经济高效。
The utility model provides a handle assembly and a stapler including the same, wherein the handle assembly comprises: a first handle, which is provided with a first sliding groove and a sliding block, and one end of the sliding block is provided with a first limiting structure; a handle housing , is provided with a second chute, one end of the slider passes through the first chute and is embedded in the second chute, the second section of the second chute is provided with a second limit structure, and one of the two limit structures is A compression spring is arranged between the two handles; a second handle; the slider is moved to the second section of the second chute by external force, the compression spring is deformed, the first handle can push the second handle to rotate through the slider, and when the slider is released from the external force, the compression spring The restoring force resets the slider. The utility model divides the handle into a first handle and a second handle, and the linkage state of the two is controlled by the moving position of the sliding block. The first limiting structure and the second limiting structure of the handle housing are defined, and the production and assembly are more economical and efficient.
Description
Technical field
The utility model relates to the field of medical instrument technology more particularly to stapling technique fields, and in particular to a kind of
Hand component and stapler including it.
Background technique
Tumor in digestive tract is high-incidence one of the disease of the mankind, over the course for the treatment of, is often used circular-pipe anastomat and replaces doctor
Raw manual operations carries out the physiological tissues such as alimentary canal identical.Circular-pipe anastomat is a kind of common surgical operating instrument,
The inside bookbinding form of axis is mostly used greatly, end-to-end or end pair is formed to physiological tissues such as oesophagus, stomach, enteron aisles during operation
Side coincide, and two sections of tissues are containing when coincideing is contained in stapler, and circular anastomosis mouth, weight are organizationally formed after the completion of percussion
Anatomic passages are built.
In the prior art, circular-pipe anastomat includes stapler ontology, the handle group for being flexibly connected the stapler ontology
Part and nail-anvil assembly with the body fits.The stapler ontology includes the nail bin groupware set on distal end, the nail bin
Component includes annular nail bin, cutter；And the knob set on body proximal end, the knob can be rotated relative to ontology.It is remote herein
End and proximal end are for operator, are proximal end apart from the closer one end of operator, apart from the farther away one end of operator,
It is distal end closer to one end of surgery location.The nail-anvil assembly includes nail anvil, the nail-anvil hat being arranged at the top of nail anvil, setting
Knife anvil inside nail anvil, and the nail anvil shaft detachably connected with stapler ontology.In the course of surgery, detachment removal is swollen
After tumor tissue, nail anvil shaft is pierced by from the pocket of tissue one end, is configured at the distal end of stapler ontology, rotates knob, make nail anvil and
The distance between nail bin is gradually reduced reaches a suitable distance after, reach can cock, handle firing device could be held
Tool is completed to coincide.With the continuous development of medical instrument, circular-pipe anastomat is also applied to the diseases such as hemorrhoid more and more widely
Treatment.
Meanwhile in the operation that Urological Field treats redundant prepuce and phimosis, also there is another form
Circular-pipe anastomat, i.e. prepuce anastomat.Prepuce anastomat is also described in the prior art, and structure is similar to above-mentioned disappear
Change road circular-pipe anastomat, difference is only that with the body fits be glans penis cap assembly.It is similar, the glans penis cap assembly
Including nail anvil, the glans penis cap being fixedly connected with nail anvil, knife anvil, and the center-pole detachably connected with stapler ontology.?
In surgical procedure, prepuce tissues to be cut off are fixed on glans penis cap, center-pole is then configured at the remote of stapler ontology
End rotates knob, is gradually reduced the distance between glans penis cap and nail bin and reaches one suitably after, shape can be fired by reaching
State could hold handle percussion instrument and complete to coincide.
With the development of technology, people improve the percussion transmission mechanism of circular-pipe anastomat, increase
Insurance mechanism, stapler not up to can cock when, even if doctor presses handle, due to the effect of insurance mechanism, handle
Also it can not press, so as to avoid operative failure caused by instrument percussion.However, under actual conditions, however it remains there is some lack
It falls into, such as the usage experience of doctor is not high, if in addition doctor firmly presses handle, the casing that may result in stapler is opened
It splits.
Utility model content
For the problems of the prior art, the purpose of this utility model is to provide a kind of handle assembly and including its kiss
Handle is divided into the first in command and second handle by clutch, controls the first in command and second handle by the shift position of sliding block
Linkage status, sliding block be detached from pointer active force after can be resetted under the action of pressure spring, the position of pressure spring passes through sliding block
The first position limiting structure and the second position limiting structure of handle housing be defined.
The utility model embodiment provides a kind of handle assembly, the percussion for stapler, which is characterized in that the handle
Component includes:
The first in command, including the first cavity, the side wall of first cavity are provided with first sliding groove, the first sliding groove packet
Interconnected first segment and second segment are included, first cavity is internally provided with a sliding block, and one end of the sliding block is set
It is equipped with the first position limiting structure；
Handle housing, the second cavity including accommodating the first in command, the side wall of second cavity are provided with second
Sliding slot, the second sliding slot include interconnected first segment and second segment, and one end of the sliding block passes through the first sliding groove
After be embedded in the second sliding slot, the end of the second segment of the second sliding slot is provided with the second position limiting structure, described first
Pressure spring is provided between position limiting structure and the second position limiting structure；
Second handle, the first end of the second handle are rotatably connected with the first in command；
The sliding block is located at the first segment of the second sliding slot, and when the first in command is rotated in a first direction, described
Sliding block and the second handle non-contravention, the second handle do not rotate；
The sliding block is mobile to the second segment of the second sliding slot by external force, and the first in command is rotated in a first direction
When, the pressure spring is deformed, and the sliding block and the second handle contradict, to push the second handle to rotate, and it is described
When sliding block is detached from external force, the restoring force of the pressure spring pushes the sliding block to reset.
Optionally, the distal end of the handle housing offers the second sliding slot, and the second sliding slot be connected to it is described
The upper surface of handle housing.
Optionally, the two sides of first cavity are respectively arranged with a first sliding groove, and the handle housing is correspondingly arranged on
Two second sliding slots, the sliding block include the abutting portion between two sliding parts at both ends and two sliding parts, each cunning
Dynamic portion is each passed through a first sliding groove and is embedded in corresponding second sliding slot.
Optionally, the sliding part is greater than the abutting portion along described the along the length of the extending direction of the second sliding slot
The length of the extending direction of two sliding slots.
It optionally, further include pointer, the pointer can move between first position region and second position region, described
Pointer is connected to the distal end of pulling-on piece, and the proximal end of the pulling-on piece is sheathed on screw rod, and the screw rod distal end is equipped with knob, rotates the rotation
Button drives the pulling-on piece mobile to the proximal end of stapler, and the pulling-on piece drives the pointer from first position region to the second position
Region is mobile, pushes the sliding block mobile from the first segment of the second sliding slot to second segment, compresses the pressure spring and be deformed；
When the pointer returns to first position region, the restoring force of the pressure spring pushes the sliding block to reset.
Optionally, first position limiting structure and the second position limiting structure are respectively pillar, and the both ends of the pressure spring cover respectively
On first position limiting structure and the second position limiting structure.
Optionally, first position limiting structure and the second position limiting structure are respectively to link up with, and the both ends of the pressure spring are hung respectively
On first position limiting structure and the second position limiting structure.
Optionally, the shell of the first side of the distal end of the handle housing and the stapler contradicts, the stapler
Shell position corresponding with second side of the distal end of the handle housing is provided with handle opening, revolves for accommodating along first direction
The distal end of handle housing when turning.
Optionally, further includes:
First torsional spring and the first pin shaft, first pin shaft are arranged in the first in command and second handle, and described
One pin shaft is fixed on the shell of the stapler, and first torsion spring set is set on first pin shaft, and first torsional spring
Both ends contradict the shell and the second handle of the stapler respectively；
Second torsional spring and the second pin shaft, second pin shaft are fixed on the shell of the stapler, second torsion spring set
On second pin shaft, and the both ends of second torsional spring contradict the shell and the first of the stapler respectively
Hand.
Optionally, further includes:
First torsional spring and the first pin shaft, first pin shaft are arranged in the first in command and second handle, and described
One pin shaft is fixed on the shell of the stapler, and first torsion spring set is set on first pin shaft, and first torsional spring
Both ends contradict the shell and the second handle of the stapler respectively；
Pressure spring is set between the first in command and the shell of the stapler.
Optionally, further includes:
First torsional spring and the first pin shaft, first pin shaft are arranged in the first in command and are fixed to described second
Hand, first torsion spring set is set on first pin shaft, and the both ends of first torsional spring contradict the first in command respectively
With the second handle；
Second torsional spring and the second pin shaft, second pin shaft are arranged in the second handle and are fixed to the stapler
Shell, second torsion spring set be set to second pin shaft on, and the both ends of second torsional spring contradict respectively it is described second
The shell of hand and the stapler.
The utility model embodiment also provides a kind of stapler, including the handle assembly.
It handle assembly provided by the utility model and is had the advantage that including its anastomosis apparatus
The utility model provides a kind of handle assembly and the stapler including it, and handle is divided into the first in command and second
Handle, by the mobile linkage status to control the first in command and second handle in the position of sliding block, and only second handle
Rotation can fire stapler, so as to avoid the mistakenly hit hair when stapler does not meet percussion condition, and fail
When state, the first in command is still that can hold, the cracking without causing shell；Pressure spring is set between sliding block and sliding slot,
And the position of pressure spring is defined by the first position limiting structure of sliding block and the second position limiting structure of handle housing, de- in sliding block
After external force, it can be resetted according to the effect of pressure spring；It, can be directly from handle shell due to offering second sliding slot in handle housing
The external installation and replacement spring of body, it is more cost-effective in the manufacturing and assembly of handle assembly or even stapler.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model
Sign, objects and advantages will become more apparent upon.
Fig. 1 is that the handle assembly of an embodiment of the present invention is used for the structural schematic diagram of stapler；
Fig. 2 is that the handle assembly of an embodiment of the present invention is in the structural schematic diagram of original state；
Fig. 3 is enlarged drawing at A in Fig. 2；
Fig. 4 is that the handle assembly of an embodiment of the present invention is used for the structural schematic diagram of prepuce anastomat；
Fig. 5 is the explosive view of the handle assembly of an embodiment of the present invention；
Fig. 6 is the perspective view of the handle housing of an embodiment of the present invention；
Fig. 7 is the front view when handle assembly of an embodiment of the present invention is in original state；
Fig. 8 is the first in command of an embodiment of the present invention and the structural schematic diagram of second handle cooperation；
Fig. 9 be an embodiment of the present invention original state under pointer and sliding block cooperation structural schematic diagram；
Figure 10~12 are that the handle assembly of an embodiment of the present invention is in the structural schematic diagram of failure state；
Figure 13~15 are that the handle assembly of an embodiment of the present invention is in the structural schematic diagram of cock.
Specific embodiment
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to embodiment set forth herein；On the contrary, thesing embodiments are provided so that this is practical new
Type will be full and complete, and the design of example embodiment is comprehensively communicated to those skilled in the art.It is identical in figure
Appended drawing reference indicate same or similar structure, thus repetition thereof will be omitted.
The structure of the stapler of an embodiment of the present invention as shown in figure 1.Wherein the distal end of stapler is provided with nail
Storehouse component 72 and nail-anvil assembly 73, proximal end are provided with knob 71 and handle assembly, and the outside of handle assembly is provided with handle shell
16, the percussion of stapler may be implemented by pressing handle assembly.
The handle assembly that Fig. 2~9 show an embodiment of the present invention is located at the structure of original state, wherein in order to clear
Chu shows the structure of handle assembly and the cooperation of itself and other parts, and partial shell or members have been left out.For reality
Handle assembly is segmented by existing above-mentioned purpose, the utility model, is divided into the first in command 1 and second handle 2, and only when the
Second chief 2 is only when rotating can fire stapler, and the first in command 1 and second handle 2 are rotatably connected, and work as the first
When hand 1 and second handle 2 do not link, operator can press the first in command 1, but be unable to drive the rotation of second handle 2, also
Stapler can not be fired, play first violin 1 and second handle 2 link when, operator presses the first in command 1, also will drive second
Handle 2 rotates, to fire stapler.The outer cover of the first in command 1 is equipped with handle housing 16, to protect the knot of the first in command 1
Structure, and more smooth Curve Design is used, improve the usage experience of operator.
In order to control the linkage status of the first in command 1 and second handle 2, first sliding groove is additionally provided on the first in command 1
41 and sliding block 42, first sliding groove 41 includes interconnected first segment and second segment, and the is correspondingly arranged in handle housing 16
Two sliding slots 161, second sliding slot 161 include it is corresponding with the first segment of first sliding groove 41 and second segment difference, it is interconnected
First segment and second segment, sliding block 42 are embedded in second sliding slot 161 after passing through first sliding groove 41.Second handle 2 is supported including handle
Contact portion；When sliding block 42 is located at the first segment of second sliding slot 161, and the first in command 1 is held when being rotated in a first direction, sliding block 42
It is not contradicted with handle abutting portion, second handle 2 is located at safety position, although that is, the first in command 1 rotates, but not fires and coincide
Device is in failure state.In this embodiment, first direction is counter clockwise direction shown in figure, but the utility model is unlimited
In this.Therefore, when doctor holds the first in command 1, the first in command 1 can be made to rotate easily, but without triggering second handle
2, simultaneously as being sky cock at this time, it is very small for holding the power of the first in command 1.Doctor can also pass through this operating body
It tests and recognizes that the state of current stapler is the casing rupture for being in non-cock, and not will cause stapler.
When sliding block 42 is located at the second segment of second sliding slot 161, and the first in command 1 is rotated in the counterclockwise direction, sliding block 42
It is contradicted with handle abutting portion and second handle 2 is driven to rotate from safety position to firing position.When second handle 2 is along side counterclockwise
It to when rotation, can push ejector pin bar 75 mobile to the distal end of stapler simultaneously, and then drive percussion stapler.
It should be noted that the first segment and second segment of second sliding slot 161 described in the utility model are one relatively general
It reads, and is not necessarily two ends of second sliding slot 161, that is, in the visual angle being shown in FIG. 3, the first segment of second sliding slot 161
Positioned at the right side of second segment.It when sliding block 42 is located at the first segment of second sliding slot 161, will not interfere with handle abutting portion, and be located at
When the second segment of second sliding slot 161, it will interfere with handle abutting portion.
In this embodiment, movement of the sliding block 42 from the first segment of second sliding slot 161 to second segment is controlled by pointer 5
's.Pointer 5 includes first end 51, positioning region 53 and second end 52, and the first end 51 of pointer 5 is provided with protruding portion 54, the protrusion
Portion 54 is corresponding with the drag hook position of a pulling-on piece 6, and the positioning region 53 of pointer 5 is rotatably affixed at the shell 74 of stapler.Pulling-on piece 6
Tail portion be fixed on a screw rod 76 and can be moved with the movement of screw rod 76.When knob 71 is rotated along a direction, screw rod
76 can move to the near end, and drive pulling-on piece 6 mobile to the proximal end of stapler, the drag hook of pulling-on piece 6 can drive the first end 51 of pointer 5
It rotates in a second direction, so that when the first end 51 of pointer 5 is mobile to second position region from first position region, pointer 5
Second end 52 so that push sliding block 42 mobile from the first segment of second sliding slot 161 to second segment.In this embodiment, second party
Shown in Xiang Weitu clockwise, but the utility model is without being limited thereto.Wherein correspond to first on stapler ontology
It sets and is equipped with a form at region and second position region, for observing the location in use of pointer first end 51,
Pointer first end 51 is in safety position, stapler cannot fire at this time, when pointer first end at first position region
51 when being in second position region, and stapler can fire, and in order to more intuitively to doctor to prompt, corresponding on form can
The second position region of percussion is green area, and the prior art has had announcement.
In order to realize the reset after the active force that sliding block 42 is detached from pointer 5, a pressure spring 45 is also added at sliding block 42.
Specifically, one end of sliding block 42 is provided with the first position limiting structure 43, and the end of the second segment of second sliding slot 161 is provided with the second limit
Bit architecture 44 is provided with pressure spring 45 between first position limiting structure 43 and the second position limiting structure 44.The second of second sliding slot 161 herein
The end of section refers to one end of first segment of the second segment far from second sliding slot 161, i.e. leftward position in Fig. 3.The first of pointer 5
When end 51 is mobile to second position region from first position region, the second end 52 of pointer 5 pushes 42 compression press spring 45 of sliding block to produce
Change shape, and when external force releases, when the first end 51 of pointer 5 returns to first position region, the restoring force of pressure spring 45 can be pushed
Sliding block 42 is back to the first segment of second sliding slot 161.
Further, in this embodiment, the first in command 1 includes the first cavity 13, the two side walls point of the first cavity 13
It is not provided with a first sliding groove 41, handle housing 16 is correspondingly arranged there are two second sliding slot 161, and sliding block 42 includes two sliding parts
Abutting portion 422 between 421 and sliding part 421, two sliding parts 421 are slidably set to respectively in a second sliding slot 161.Respectively
The end of the second segment of a second sliding slot 161 is respectively arranged with one second position limiting structure 44, one end difference of two sliding parts 421
It is provided with one first position limiting structure 43, is respectively arranged with one between the first position limiting structure 43 and the second corresponding position limiting structure 44
Pressure spring 45.Also, sliding part 421 is greater than the abutting portion 422 along second sliding slot along the length of the extending direction of second sliding slot 161
The length of 161 extending direction can keep stability of the sliding block 42 in sliding slot 41.
The utility model is by being arranged pressure spring 45 between handle housing 16 and sliding block 42, from the outside of handle housing 16
It can directly be seen that the working condition of pressure spring 45, facilitates inspection, and in installation and replacement, does not need to tear open handle housing 16
Under can carry out so that installation and the maintenance more economical and efficient of handle assembly or even stapler.
The utility model can be applied not only to conventional circular-pipe anastomat, can also be applied to prepuce anastomat.Example
As shown in figure 4, showing the structure of the prepuce anastomat ontology 8 using the handle assembly.It wraps the distal end of prepuce anastomat ontology 8
Nail bin groupware 81 is included, the glans penis cap assembly (not shown) cooperated with nail bin groupware 81 is additionally provided with.It is kissed using foreskin
When clutch, second handle 2 is movably attached to one end of prepuce anastomat, the second end of second handle 2 and pushing away for prepuce anastomat
Nail component matches, and when condition can be fired by meeting, second handle 2 will push ejector pin component, realize the percussion of prepuce anastomat.
The structure of handle housing 16 and Fig. 5 and Fig. 6 can be specifically participated in the matching relationship of stapler.Handle housing 16
Proximal end is holding end, is distally cooperated with the shell of stapler 74.Second sliding slot 161 is opened in the distal end of handle housing 16, and
It is connected to the upper surface of handle housing 16 always.The upper surface of handle housing 16 is the handle housing in the visual angle of Fig. 5 herein
16 top end face.I.e. second sliding slot 161 is the slot of upper end opening, and pressure spring 45 can be directly from the installation of the top of handle housing 16
And removal.And due to the effect of the position restriction of two position limiting structures, without position of the worry pressure spring 45 in normal use process
Set offset.The side of the distal end of handle housing 16 and the shell 74 of stapler contradict, the shell 74 and handle housing 16 of stapler
Distal end the corresponding position in the other side be provided with leader opening 749, with accommodate counterclockwise rotation when handle housing 16.
In this embodiment, the first position limiting structure 43 and the second position limiting structure 44 are respectively pillar, the both ends point of pressure spring 45
It is not sheathed on the first position limiting structure 43 and the second position limiting structure 44.Therefore, the size phase of the size of two pillars and pressure spring 45
It adapts to, is detached from from pillar to avoid pressure spring 45.In practical applications, the structure of the position limiting structure of pressure spring 45 is without being limited thereto, adopts
It is also belonged within the protection scope of the utility model with other structures.For example, the first position limiting structure 43 and the second position limiting structure 44
It can be respectively to link up with, the both ends of pressure spring 45 are hung on the first position limiting structure 43 and the second position limiting structure 44, to pressure spring 45
It is limited.
In this embodiment, it is equipped with the first pin shaft 31 simultaneously in the first in command 1 and second handle 2, the first pin shaft 31 is solid
Due to the shell 74 of stapler, and it is arranged with the first torsional spring 32 thereon.The both ends of first torsional spring 32 contradict the stapler respectively
Shell 74 and the second handle 2, after the rotation of second handle 2, if releasing external force, the restoring force of the first torsional spring 32 can be with
Second handle 2 is resetted.
Since the first in command 1 and second handle 2 are rotated around the first pin shaft 31, the first in command 1 and second
The rotation center of hand 2 is unified, and the experience of operator is more preferable.In addition, in this embodiment, being also provided with the second torsional spring 34 and second
Pin shaft 33, the reset for the first in command 1.Second pin shaft 33 is fixed on the shell 74 of stapler, and the second torsional spring 34 is sheathed on
On two pin shafts 33, and the both ends of the second torsional spring 34 contradict shell 74 and the first in command 1 of stapler respectively.
A kind of connection type of the first in command 1 and second handle 2 is only gived herein, however the utility model is not limited to
This, two one or two hand gettings connect also possible in other ways, belong within the protection scope of the utility model.Such as it can be with
The second torsional spring for being used for first in command's reset and the second pin shaft are changed at least one pressure spring, pressure spring be connected to the first in command and
It between the shell of stapler, plays first violin when rotating, compression press spring is deformed, and when unclamping the first in command, pressure spring recovery makes
The first in command is obtained to reset.It is further possible to by the way of dual rotary center, such as same setting the first torsional spring and first
Pin shaft；And second torsional spring and the second pin shaft.First pin shaft is fixed on second handle, and is arranged in the first in command, and first turns round
Spring is sheathed on the first pin shaft, and the both ends of the first torsional spring contradict the first in command and second handle respectively, and the first may be implemented
The reset of hand；Second pin shaft is fixed on the shell of stapler and is arranged in second handle, and the second torsion spring set is set to the second pin shaft
On, and the both ends of the second torsional spring contradict the shell of second handle and stapler respectively, and the reset of second handle may be implemented.First
Handle and second handle are rotated rotating around the first torsional spring and the second torsional spring.
It is located at structure when failure state such as handle assembly that Figure 10~12 show the embodiment.Under the state, pulling-on piece 6
Pointer 5 is not pulled, therefore the position of pointer 5 does not change, sliding block 42 is still located on the first segment of second sliding slot 161, first
In the rotating path of handle 1, sliding block 42 and the handle abutting portion of second handle 2 are not interfered.It is noted that initial position
When sliding block 42 under the action of pressure spring 45 positioned at 161 first segment of second sliding slot separate second segment the end illustrate right end position
It sets.Can certainly be limited by the second end 52 of pointer 5 to the initial position of sliding block 42.In this embodiment,
The first end 11 of leader 1 is grip part, and second end 12 includes interconnecting piece；The first end 21 of second handle 2 is located at interconnecting piece
Inside cavity, second end 22 and ejector pin bar 75 contradict.At this point, instrument is in safety position.Due to the second torsional spring 34 torsion compared with
Percussion force is much smaller, and the first in command 1, can be around the first rotation counterclockwise of pin shaft 31 in curable grip lesser by operator
Turning, second handle 2 goes successively to the inside cavity of the first in command 1, i.e. the first in command 1 and second handle 2 is in not linkage status,
Second handle 2 does not rotate.Operator hold with a firm grip the first in command 1 when, the first in command 1 can not made to rotate easily, but not
It will drive the rotation of second handle 2, be also just unable to complete the percussion of stapler.Operator can also obtain touch feedback at this time,
The first end 51 for solving current pointer 5 is not up to second position region, does not fire.When external force releases, the first in command 1 is the
It is resetted under the action of two torsional springs 34.
It is located at structure when cock such as handle assembly that Figure 13~15 show the embodiment.During being somebody's turn to do, rotation
Knob 71 makes screw rod 76 that pulling-on piece 6 be driven to move to the near end, and the first end 51 of pointer 5 is driven to move along clockwise direction, so that
The first end 51 of pointer 5 enters second position region from first position region, and the second end 52 of pointer 5 pushes sliding block 42, makes it
It is moved to and the first position limiting structure 43 and the conflict of the second position limiting structure 44 to the second segment of second sliding slot 161.It is inverse in the first in command 1
When hour hands rotate, inner chamber that sliding block 42 and handle abutting portion 25 contradict and second handle 2 stopped to go successively to the first in command 1
In body.Second handle 2 and the first in command 1 become linkage status as a result,.Second handle 2 rotates counterclockwise with the first in command 1, the
The second end 22 of second chief 2 pushes ejector pin bar 75, and ejector pin bar 75 can further push the pushing slice of nail and annular cutter of stapler, right
The tissue performed the operation is sutured and is cut.
It can be seen from the figure that pressure spring 45 is gradually compressed in the moving process of sliding block 42.In stapler percussion, the
Pulling-on piece abutting portion 23 on second chief 2 can jack up pulling-on piece 6 in ejection apex, be detached from the drag hook of pulling-on piece 6 and pointer 5.At this time
Pointer 5 restores in the counterclockwise direction to initial position.In this embodiment, the first end in the shell 74 of stapler with pointer 5
A sheet metal 77 is provided at 51 corresponding positions, when the recovery of pointer 5 to initial position, meeting and sheet metal 77 are hit, hair
Sound out prompts operator's pointer to reset.Since the first end 51 of pointer 5 is back to first position region, first is being unclamped
The second end 52 and sliding block 42 of 1 backpointer 5 of handle are detached from.Then, after the external force for losing pointer 5, pressure spring 45 is restoring to the original state
When deformation force will push sliding block 42 again to the first end of second sliding slot 161 slide, be restored to initial position.Second handle 2
Also restore under the restoring force of the first torsional spring 31 to initial position.The first in command 1 is due to being the effect with second handle 2 in sliding block
Lower engagement, therefore it is first as second handle 2 resets, while resetting under the action of the second torsional spring 34 again.
The utility model embodiment also provides a kind of stapler, including the handle assembly.It can not up to be hit in stapler
When hair-like state, the first in command will not drive second handle, would not also fire stapler, doctor can also by operating experience come
Judge cock, only stapler reach can cock when, the movement of the first in command just will drive the movement of second handle,
And then fire stapler.Thus on the basis of avoiding stapler from being sent out by mistakenly hit, while avoiding that stapler casing cracking occurs
Situation.The stapler controls the linkage status of the first in command and second handle by the shift position of sliding block, completes in percussion
Afterwards, sliding block can be back to initial position by the reset response of pressure spring again.
It handle assembly provided by the utility model and is had the advantage that including its anastomosis apparatus
The utility model provides a kind of handle assembly and the stapler including it, and handle is divided into the first in command and second
Handle, by the mobile linkage status to control the first in command and second handle in the position of sliding block, and only second handle
Rotation can fire stapler, so as to avoid the mistakenly hit hair when stapler does not meet percussion condition, and fail
When state, the first in command is still that can hold, the cracking without causing shell；Pressure spring is set between sliding block and sliding slot,
And the position of pressure spring is defined by the first position limiting structure of sliding block and the second position limiting structure of handle housing, de- in sliding block
After external force, it can be resetted according to the effect of pressure spring；It, can be directly from handle shell due to offering second sliding slot in handle housing
The external installation and replacement spring of body, it is more cost-effective in the manufacturing and assembly of handle assembly or even stapler.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is only limited to these instructions.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard
To belong to the protection scope of the utility model.
Claims (12)
1. a kind of handle assembly, the percussion for stapler, which is characterized in that the handle assembly includes:
The first in command, including the first cavity, the side wall of first cavity are provided with first sliding groove, and the first sliding groove includes phase
Intercommunicated first segment and second segment, first cavity is internally provided with a sliding block, and one end of the sliding block is provided with
First position limiting structure；
Handle housing, the second cavity including accommodating the first in command, the side wall of second cavity are provided with second sliding slot,
The second sliding slot includes interconnected first segment and second segment, and one end of the sliding block is embedded after passing through the first sliding groove
In the second sliding slot, the end of the second segment of the second sliding slot is provided with the second position limiting structure, the first limit knot
Pressure spring is provided between structure and the second position limiting structure；
Second handle, the first end of the second handle are rotatably connected with the first in command；
The sliding block is located at the first segment of the second sliding slot, and when the first in command is rotated in a first direction, the sliding block
With the second handle non-contravention, the second handle does not rotate；
The sliding block is mobile to the second segment of the second sliding slot by external force, and when the first in command is rotated in a first direction,
The pressure spring is deformed, and the sliding block and the second handle contradict, to push the second handle to rotate, and the sliding block
When being detached from external force, the restoring force of the pressure spring pushes the sliding block to reset.
2. handle assembly according to claim 1, which is characterized in that the distal end of the handle housing offers described second
Sliding slot, and the second sliding slot is connected to the upper surface of the handle housing.
3. handle assembly according to claim 1, which is characterized in that the two sides of first cavity are respectively arranged with one
One sliding slot, the handle housing are correspondingly arranged there are two second sliding slot, the sliding block include both ends two sliding parts and two
Abutting portion between sliding part, each sliding part are each passed through a first sliding groove and are embedded at corresponding second sliding slot
In.
4. handle assembly according to claim 3, which is characterized in that the sliding part is along the extension side of the second sliding slot
To length be greater than the abutting portion along the extending direction of the second sliding slot length.
5. handle assembly according to claim 1, which is characterized in that further include pointer, the pointer can be in first position
It being moved between region and second position region, the pointer is connected to the distal end of pulling-on piece, and the proximal end of the pulling-on piece is sheathed on screw rod,
The screw rod distal end is equipped with knob, rotates the knob and drives the pulling-on piece mobile to the proximal end of stapler, the pulling-on piece drives
The pointer is mobile from first position region to second position region, push the sliding block from the first segment of the second sliding slot to
Second segment is mobile, compresses the pressure spring and is deformed；When the pointer returns to first position region, the recovery of the pressure spring is pushed
The sliding block is moved to reset.
6. handle assembly according to claim 1, which is characterized in that first position limiting structure and the second position limiting structure point
Not Wei pillar, the both ends of the pressure spring are sheathed on respectively on first position limiting structure and the second position limiting structure.
7. handle assembly according to claim 1, which is characterized in that first position limiting structure and the second position limiting structure point
It Wei not link up with, the both ends of the pressure spring are hung on first position limiting structure and the second position limiting structure.
8. handle assembly according to claim 1, which is characterized in that the first side of the distal end of the handle housing with it is described
The shell of stapler contradicts, and the shell of stapler position corresponding with second side of the distal end of the handle housing is provided with
Handle opening, the distal end of handle housing when being rotated in a first direction for accommodating.
9. handle assembly according to claim 1, which is characterized in that further include:
First torsional spring and the first pin shaft, first pin shaft are arranged in the first in command and second handle, first pin
Axis is fixed on the shell of the stapler, and first torsion spring set is set on first pin shaft, and the two of first torsional spring
End contradicts the shell and the second handle of the stapler respectively；
Second torsional spring and the second pin shaft, second pin shaft are fixed on the shell of the stapler, and second torsion spring set is set to
On second pin shaft, and the both ends of second torsional spring contradict respectively the stapler shell and the first in command.
10. handle assembly according to claim 1, which is characterized in that further include:
First torsional spring and the first pin shaft, first pin shaft are arranged in the first in command and second handle, first pin
Axis is fixed on the shell of the stapler, and first torsion spring set is set on first pin shaft, and the two of first torsional spring
End contradicts the shell and the second handle of the stapler respectively；
Pressure spring is set between the first in command and the shell of the stapler.
11. handle assembly according to claim 1, which is characterized in that further include:
First torsional spring and the first pin shaft, first pin shaft are arranged in the first in command and are fixed to the second handle,
First torsion spring set is set on first pin shaft, and the both ends of first torsional spring contradict the first in command and institute respectively
State second handle；
Second torsional spring and the second pin shaft, second pin shaft are arranged in the second handle and are fixed to the shell of the stapler
Body, second torsion spring set is set on second pin shaft, and the both ends of second torsional spring contradict the second handle respectively
With the shell of the stapler.
12. a kind of stapler, which is characterized in that including handle assembly described in any one of claims 1 to 11.
Priority Applications (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721847008.7U CN208958211U (en) | 2017-12-26 | 2017-12-26 | Handle assembly and stapler including the same |
| US16/957,544 US11337703B2 (en) | 2017-12-26 | 2018-12-12 | Handle assembly and stapler including the same |
| CA3085637A CA3085637C (en) | 2017-12-26 | 2018-12-12 | Handle assembly and stapler including the same |
| RU2020122597A RU2738840C1 (en) | 2017-12-26 | 2018-12-12 | Handle assembly and a stapling apparatus comprising the assembly |
| EP18897538.7A EP3733091A4 (en) | 2017-12-26 | 2018-12-12 | HANDLE AND ANASTOMOSIS DEVICE ASSEMBLY, INCLUDING IT |
| JP2020554351A JP7029548B2 (en) | 2017-12-26 | 2018-12-12 | Handle assembly and anastomosis device including it |
| PCT/CN2018/120699 WO2019128721A1 (en) | 2017-12-26 | 2018-12-12 | Handle assembly and anastomat comprising same |
| AU2018396743A AU2018396743B2 (en) | 2017-12-26 | 2018-12-12 | Handle assembly and stapler including the same |
| KR1020207019342A KR102470078B1 (en) | 2017-12-26 | 2018-12-12 | Handle assembly and anastomosis machine including the same |
| BR112020012322-6A BR112020012322B1 (en) | 2017-12-26 | 2018-12-12 | ASSEMBLY OF HANDLE AND STAPLE COMPRISING THE SAME |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721847008.7U CN208958211U (en) | 2017-12-26 | 2017-12-26 | Handle assembly and stapler including the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208958211U true CN208958211U (en) | 2019-06-11 |
Family
ID=66746275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721847008.7U Active CN208958211U (en) | 2017-12-26 | 2017-12-26 | Handle assembly and stapler including the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208958211U (en) |
-
2017
- 2017-12-26 CN CN201721847008.7U patent/CN208958211U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 215021 No. 278 Dongping Street, Suzhou Industrial Park, Jiangsu Province Patentee after: Tianchen International Medical Technology Co., Ltd Address before: 215021, 1355 international science and Technology Park, Jinji Lake Avenue, Suzhou Industrial Park, Jiangsu, 3 21A Patentee before: TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE Co.,Ltd. |