CN209153820U - A kind of operative anastomat device - Google Patents
A kind of operative anastomat device Download PDFInfo
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- CN209153820U CN209153820U CN201821398327.9U CN201821398327U CN209153820U CN 209153820 U CN209153820 U CN 209153820U CN 201821398327 U CN201821398327 U CN 201821398327U CN 209153820 U CN209153820 U CN 209153820U
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- China
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- nail bin
- chopping block
- casket
- gasket
- hook
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Abstract
The utility model discloses a kind of operative anastomat devices, wherein the stapling apparatus includes: nail bin groupware, chopping block component and driving assembly；Wherein, the anastomat device further includes nail bin gasket and chopping block gasket, the nail bin gasket is detachably arranged on the nail bin casket proximally by nail bin casket hook, the chopping block gasket is fixed on the chopping block component proximally by chopping block hook, and nail bin hook and chopping block hook are spring energy storage part；Cutter are provided in the driving component, when the cutter are mobile to the distal end of the nail bin casket and the chopping block component from the proximal end of the nail bin casket and the chopping block component, the nail bin gasket and the chopping block gasket are cut and are detached from from the nail bin casket and the chopping block component respectively.By the above-mentioned means, the utility model can be improved the reliability of positioning for installing gasket in anastomat device additional and release smooth degree.
Description
Technical field
The utility model relates to medical instruments fields, more particularly to a kind of operative anastomat device.
Background technique
Stapler is to suture skill with traditional-handwork medically for substituting a kind of mechanical stitch instrument of traditional-handwork suture
Art is compared, and reacts small in a organized way using anastomosis apparatus, and staple marshalling, the equal benefit of spacing, it efficiently avoids hands
Work, which sutured, dredges problem overstocked and that ligation tension is excessively loose；Meanwhile the stapler of mechanical stitch is easy to operate, can greatly shorten doctor
Raw operating time.
And with the continuous expansion of stapler application range, it is higher and higher to the performance requirement of stapler.In order to obtain compared with
Good match result, installs gasket additional, the gasket of installation can play lining to the tissue of patient usually between stapler and tissue
Pad effect, reinforces the tensile strength of local organization, improves the sealing performance of previous anastomotic, prevent the generation of anastomotic leakage；It can reduce
Anastomosis staple isolates tissue, prevents the fracture and bleeding of previous anastomotic；And can balanced previous anastomotic local pressure, avoid stress
Concentrate the generation so that anastomotic leakage caused by local blood circulation is unsmooth and narrow phenomenon.
But present inventor has found in long-term research and development, has installed the stapling apparatus of gasket additional at present, has generally deposited
The problem of the gasket in stapler can not be made to be reliably fixed and smoothly discharge, it is difficult to promote and apply.
Utility model content
The utility model can be improved stapler mainly solving the technical problems that provide a kind of operative anastomat device
Install the reliability of positioning and release smooth degree of gasket in device additional.
In order to solve the above technical problems, the technical solution that the utility model uses is: providing a kind of surgical stapling
Device device.
Wherein, the stapling apparatus includes:
Nail bin groupware comprising nail bin pedestal and the nail bin casket being mounted on the nail bin pedestal, wherein the nail bin casket
Distal end it is exposed outside the nail bin pedestal, and the proximal end of the nail bin casket is mounted on the nail bin pedestal；
Chopping block component, distal end far from the nail bin groupware, and its proximal end close to the nail bin casket proximal end and be articulated in
To be rotatably arranged on the nail bin groupware on the nail bin pedestal；
The proximal end on the nail bin pedestal and close to the nail bin casket and the chopping block component is arranged in driving assembly,
In, the driving component can be along the nail bin pedestal from the proximal end of the nail bin casket and the chopping block component to the nail bin casket
Distal end movement with the chopping block component is so that the chopping block component is bonded with the nail bin casket；
Wherein, the anastomat device further includes nail bin gasket and chopping block gasket, the nail bin gasket proximally by nail
Casket hook in storehouse is detachably arranged on the nail bin casket, and the chopping block gasket is fixed at institute proximally by chopping block hook
It states on chopping block component, and nail bin hook and chopping block hook are spring energy storage part；It is provided in the driving component
Cutter, when the cutter are from the proximal end of the nail bin casket and the chopping block component to the nail bin casket and the chopping block component
Distal end it is mobile when, the nail bin gasket and the chopping block gasket are cut and respectively from the nail bin casket and the chopping block component
Upper disengaging.
The beneficial effects of the utility model are: be in contrast to the prior art, the utility model is by by the nail bin
The proximal end of gasket and the proximal end of the chopping block gasket are hung on respectively on the nail bin casket hook and chopping block hook, and described
Nail bin casket hook and chopping block hook can be spring energy storage part, enough proximal ends to the nail bin gasket and the chopping block gasket
Proximal end carry out it is effectively fixed；And since the chopping block gasket and the nail bin gasket are divided in the motion process of cutter
It is not discharged from the chopping block component and the nail bin casket, the release movement of different gaskets is implemented by cutter, reduces
Between transmission link, simplify linkage release process, so that release structure is simple, can be improved and install gasket in anastomat device additional
Reliability of positioning and release smooth degree, are conducive to the popularization and application of the surgical stapling apparatus.
Detailed description of the invention
Fig. 1 is a kind of operative anastomat device installation diagram of the utility model；
Fig. 2 is a kind of decomposition diagram of operative anastomat device of the utility model；
Fig. 3 is the structural schematic diagram of nail bin casket hook one embodiment of use state described in the utility model；
The structural schematic diagram of cutter 310 shown in Fig. 4；
Fig. 5 is the structural schematic diagram of resist-nailed seat 260 shown in Fig. 2；
Fig. 6 is the structural schematic diagram of nail bin casket 120 shown in Fig. 2；
Fig. 7 is the structural schematic diagram of nail bin gasket 130 shown in Fig. 2；
Fig. 8 nail bin casket described in the utility model links up with the structural schematic diagram of 270 1 embodiments；
Fig. 9 is the structural schematic diagram of nail bin casket hook 270 use state, one embodiment shown in Fig. 8；
Figure 10 nail bin casket described in the utility model links up with the structural schematic diagram of 270 second embodiments；
Figure 11 is the structural schematic diagram of nail bin casket hook 370 use state, one embodiment shown in Fig. 10；
Figure 12 nail bin casket described in the utility model links up with the structural schematic diagram of 270 third embodiments；
Figure 13 is the structural schematic diagram of hook 270 use state, one embodiment of nail bin casket shown in Figure 12；
Figure 14 is the cross-sectional view of the symmetry axis along its length of nail bin groupware 100 shown in Fig. 1；
Figure 15 is the enlarged view of 100 one embodiment of distal end of nail bin groupware shown in Fig. 1；
Figure 16 is the schematic diagram of nail bin gasket 130 shown in Fig. 2 a deformation occurs embodiment；
Figure 17 is the structural schematic diagram of 220 1 embodiment of chopping block body shown in Fig. 2；
Figure 18 is the structural schematic diagram that chopping block shown in Fig. 2 links up with 250 1 embodiments；
Figure 19 is the structural schematic diagram of 230 1 embodiment of chopping block gasket shown in Fig. 2；
Figure 20 is the structural schematic diagram of another embodiment of chopping block gasket 230 shown in Fig. 2；
Figure 21 is the structural schematic diagram that the utility model chopping block links up with 250 second embodiments；
Figure 22 is the structural schematic diagram that the utility model chopping block links up with 250 third embodiments；
Figure 23 be chopping block gasket 230 shown in Fig. 2 and chopping block body 220 assembling schematic diagram；
Figure 24 is the partial enlarged view of structure I shown in Figure 23；
Figure 25 is the cross-sectional view of the symmetry axis along its length of chopping block component 200 shown in Fig. 1；
Figure 26 is the enlarged view of 200 distal end of chopping block component shown in Fig. 1；
Figure 27 is the enlarged view of 200 proximal end of chopping block component shown in Fig. 1；
Figure 28 is the schematic diagram that deformation occurs of chopping block gasket 230 shown in Fig. 2.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than all real
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art are not under the premise of making creative labor
Every other embodiment obtained, and the combination of different embodiments, fall within the protection scope of the utility model.In addition,
In following introductions of the utility model, " proximal end " is referred to away from user or operator (i.e. surgeon or internal medicine doctor
It is raw) closer one end, and " distal end " is referred to away from the farther away one end of user, still, what above-mentioned restriction was intended merely to describe
It is convenient, it is not for limiting the utility model.
Please refer to Fig. 1 and Fig. 2, wherein Fig. 1 is a kind of operative anastomat device shown in an embodiment of the present invention
Installation diagram, Fig. 2 is the decomposition diagram of surgical stapling apparatus shown in FIG. 1.As shown in Figs. 1-2, the utility model is implemented
Surgical stapling apparatus shown in example includes nail bin groupware 100, chopping block component 200 and driving assembly 300.Wherein, it was using
Cheng Zhong, driving assembly 300, which squeezes the chopping block component 200, makes the chopping block component 200 form pincers with the nail bin groupware 100
Mouthful, and it is rotating closed with folder close identical tissue to be cut.
Specifically, nail bin groupware 100 includes nail bin pedestal 110 and the nail bin casket being mounted on the nail bin pedestal 110
120, wherein the distal end of the nail bin casket 120 is exposed outside the nail bin pedestal 110, and the proximal end of the nail bin casket 120 is installed
On the nail bin pedestal 110.In addition, the nail bin groupware 100 further includes nail bin gasket 130,140 and of the first flexible fastening piece
Front apron 150.
The distal end of chopping block component 200 is far from the nail bin groupware 200, and its proximal end is close to the proximal end of the nail bin casket 120
And it is articulated on the nail bin pedestal 110 to be rotatably arranged on the nail bin groupware 100；In addition, the chopping block component
200 further include chopping block gasket 230, the second flexible fastening piece 240, resist-nailed seat 260, multiple anastomosis staple (not shown) and multiple ejector pins
Piece (not shown).
Driving assembly 300 is arranged on the nail bin pedestal 110 and close to the nail bin casket 120 and the chopping block component
200 proximal end setting, wherein the driving component 300 can be along the nail bin pedestal 110 from the nail bin casket 120 and described
The proximal end of chopping block component 200 is to the movement of the distal end of the nail bin casket 120 and the chopping block component 200 so that the chopping block component
200 are bonded with the nail bin casket 120；In addition, the driving component 300 includes cutter 310, for driving cutter 310 to move
Dynamic actuator (not shown), cutter limited block 320 and guiding axis 330, wherein the number of the guiding axis 330 can be set
It is set to 1-3, in one embodiment, the number of the guiding axis 330 is 1.In addition, the driving component 300 further includes
Nail bin shell 340 is detachably connected with the nail bin pedestal 110, when being in unexcited state (when not carrying out anastomosis procedure),
The cutter 310 are placed in the space that the nail bin shell 340 is surrounded with the nail bin pedestal 110,
As shown in Fig. 2, being equipped with the nail bin gasket 130 on the nail bin casket 120, installed on the chopping block component 200
There is the chopping block gasket 230, the nail bin gasket 130 is detachably arranged in the nail proximally by nail bin casket hook 270
On storehouse casket 120, the chopping block gasket 230 is fixed on the chopping block component 200 proximally by chopping block hook 230, and
The nail bin casket hook 270 and chopping block hook 250 can be spring energy storage part, enough proximal ends to the nail bin gasket 130
It is carried out with the proximal end of the chopping block gasket 230 effectively fixed.And cutter 310 are provided in the driving component 300, when described
Cutter 310 are from the proximal end of the nail bin casket 120 and the chopping block component 200 to the nail bin casket 120 and the chopping block component
When 200 distal end is mobile, the nail bin gasket 230 and the chopping block gasket 130 are cut and respectively from 120 He of nail bin casket
It is detached from the chopping block component 200.
Further, nail bin casket hook 270 and chopping block hook 250 are spring energy storage part, can be guaranteed pair
The nail bin gasket 130 and the chopping block gasket 230 are effectively fixed and can smoothly be discharged.Specifically, the bullet
Property accumulation of energy part can be individual energy-storaging spring, be respectively fixedly disposed at the anvil body by modes such as welding, stickup or engagings
220 and the nail bin casket 120 on, certainly, the spring energy storage part is also possible to through the modes such as hot investment casting and the chopping block
The body 220 and nail bin casket 120 is integrally formed presses executive item.In the present embodiment, it production technology and is reduced to simplify
Cost, the spring energy storage part are individual energy-storaging spring.Specifically, referring to FIG. 3, Fig. 3 is nail bin described in the utility model
Casket links up with the structural schematic diagram of one embodiment of use state, includes that nail bin casket links up with compressed part in nail bin casket hook 270
271, nail bin casket hook fixed part 373 and the connection nail bin casket hook compressed part 271 and the nail bin casket link up with fixed part 273
Nail bin casket link up with sleeved part 272, nail bin casket hook sleeved part 272 makes the nail bin casket hook 270 be set in the nail
120 proximal end of storehouse casket.In addition, the driving component 300 is along the nail bin pedestal 110 from the nail bin casket 120 and the chopping block
During the proximal end of component 200 is moved to the distal end of the nail bin casket 120 and the chopping block component 200, the driving component
300 are directed toward 120 distal end of nail bin casket to the direction that the nail bin casket hangs the thrust applied, so that are set in the nail bin
The nail bin casket hook sleeved part 272 of 120 proximal end of casket compresses 120 proximal end of nail bin casket, avoids the nail bin casket hook 270
It falls off.
Please also refer to Fig. 4, wherein Fig. 4 is the structural schematic diagram of cutter 310 shown in Fig. 2.As shown in figure 4, institute
Stating cutter 310 includes: upper knife body portion 311, lower knife body portion 313 and blade part 312, wherein the blade part 312 is arranged in institute
It states between upper knife body portion 311 and the lower knife body portion 313, and the front end in the upper knife body portion 311 is provided with protrusion part, it is described
The front end protrusion part in upper knife body portion 311 can apply pressure to the structure being in contact with it.
Please also refer to Fig. 5, wherein Fig. 5 is the structural schematic diagram of resist-nailed seat 260 shown in Fig. 2.As shown in figure 5, institute
Resist-nailed seat 260 is stated to be arranged in the first receiving space and contradict on the cutter 310 with the cutter 310
Move and moved；The resist-nailed seat 260 further comprises that resist-nailed seat ontology 261 and setting are in the resist-nailed seat ontology
Projective structure 262 on 261, the resist-nailed seat ontology 261 is contradicted with the cutter 310 to be connected, the projective structure 262
The height of distal end is less than the height of 262 proximal end of projective structure, and the distal end of the projective structure 262 is used for being in contact with it
Structure apply pressure；Further, the length of the projective structure 262 is the 1.2-5 of 261 length of resist-nailed seat ontology
Times, in one embodiment, the length of the projective structure 262 is 1.5 times of 261 length of resist-nailed seat ontology.
Referring to FIG. 6, wherein, Fig. 6 is the structural schematic diagram of nail bin casket 120 shown in Fig. 2.As shown in fig. 6, the nail
Storehouse casket 120 includes the first guide path 122 and nail bin slot 123；In one embodiment, the nail bin casket 120 and the nail
Storehouse component 200 constitutes a first receiving space (not shown), first guide path opened up on the nail bin casket 120
122 are moved along first guide path 122 from the proximal end of the nail bin casket 120 to its distal end with for the cutter 310
It is dynamic.
Please continue to refer to Fig. 2, the nail bin groupware 100 further comprises the first flexible fastening piece 140, is arranged described
Distal end in first receiving space and close to the nail bin casket 120, with the distal end 131 of the fixation nail bin gasket；Described first
Flexible fastening piece 140 can be analyzed to independent accumulation of energy portion and press the knot in portion for gasket spring, elastic piece, cylinder spring or torsional spring etc.
Structure can be metal material, such as copper, aluminium are made, and can also be made of plastic material, such as thermoplastic elastomer (TPE) TPE, pressure gram
Power plastics PMMA etc., making first flexible fastening piece 140 using flexible energy-accumulation material can guarantee to described
The distal end 131 of nail bin gasket is reliably fastened, and can be in the end that the cutter 310 move by making first elasticity
Deformation occurs and discharges the distal end 131 of the nail bin gasket for fixing piece 140, not only securely and reliably, and it is easy to operate.
In one embodiment, referring to FIG. 7, Fig. 7 is the structural schematic diagram of nail bin gasket 130 shown in Fig. 2.Such as figure
Shown in 7, the nail bin gasket 130 includes the distal end 131 of nail bin gasket, nail bin gasket auxiliary cutting line 132, nail bin fixation hole
133 and nail bin gasket auxiliary cut 134.The distal end 131 of the nail bin gasket is inserted into described first by the nail bin slot 123
In accommodation space, and fixed by first flexible fastening piece 140；It is solid that the proximal end of the nail bin gasket 130 offers nail bin
Determine hole 133, the nail bin casket hook that is set in proximally by the nail bin fixation hole 133 of the nail bin gasket 130 compresses
Between portion 271 and the nail bin casket sleeved part 272, and by nail bin casket hook compressed part 271 against the nail bin gasket 130
Proximal end the proximal end of the nail bin gasket 130 to be fixed.And the nail bin casket hook fixed part 273 is equipped with protruding end 274, card
It closes in nail bin casket groove (do not indicate) of the nail bin casket 120 far from 130 side of nail bin gasket with the fixation nail bin
Casket hook 270.The proximal end of the nail bin gasket 130 can be carried out so effectively to fix, and structure is simple, it is easy to operate.
In one embodiment, the anastomat device further includes nail bin casket hook installation part, the nail bin casket hook
Installation part is arranged on the nail bin casket 120 matches for linking up with 270 with the nail bin casket for being set in 120 proximal end of nail bin casket
It closes with the proximal end of the fixation nail bin gasket 130, wherein when the cutter 310 are moved to the nail bin casket hook installation part
When at corresponding position, the proximal end of the nail bin gasket 130 falls off from nail bin casket hook 270 to discharge the nail bin
The proximal end of gasket 130.
Further, Fig. 8 and Fig. 9 are please referred to, Fig. 8 nail bin casket described in the utility model links up with the knot of 370 1 embodiments
Structure schematic diagram；Fig. 9 is the structural schematic diagram of nail bin casket hook 370 use state, one embodiment shown in Fig. 8, the nail bin casket
Linking up with 270 installation parts is hollow raised 121, and the nail bin fixation hole 133 of the proximal end of the nail bin gasket 130 is set in described
On hollow convex 121, the nail bin casket is linked up with 270 fixed parts and is extend into hollow raised 121 groove (not indicating)
With the fixation nail bin casket hook 270, the nail bin casket hook compressed part 271 compresses the proximal end of the nail bin gasket 130.This
Outside, Figure 10 nail bin casket described in the utility model links up with the structural schematic diagram of 270 second embodiments；Figure 11 is nail shown in Fig. 10
Storehouse casket links up with the structural schematic diagram of 270 use state, one embodiment, and the end of the nail bin casket hook compressed part 271 can also be set
There is arc installation end 275, the nail bin casket easily can be linked up with by compressed part 271 by the movement arc installation end 275
It pull-up and puts down, convenient for installing and using for nail bin casket hook 270.Certainly, the nail bin casket hook 270 is with the installation end
275 shape and structure is not limited to the example above, as long as being able to achieve the function of the nail bin casket hook 270 and the installation end 275
Energy.
Further, please also refer to Figure 12-Figure 13, it is real that Figure 12 nail bin casket described in the utility model links up with 270 thirds
Apply the structural schematic diagram of mode；Figure 13 is the structural representation of hook 270 use state, one embodiment of nail bin casket shown in Figure 12
Figure, the nail bin casket hook installation part is mounting hole 171, and the nail bin casket hook sleeved part 272 makes the nail bin casket hook 270
It is set in the proximal end of the nail bin casket 120, the nail bin casket hook fixed part 273 is resisted against the mounting hole 171 close to described
With the fixation nail bin casket hook 270 on the edge of driving assembly 300, and the nail bin casket links up with fixed part 273 from the peace
Dress hole 171 is protruded so that the proximal end of the nail bin gasket 130 is set on nail bin casket hook fixed part 273, the nail bin
Casket hook compressed part 271 compresses the proximal end of the nail bin gasket 130.In addition, the end of the nail bin casket hook compressed part 271
Equipped with mounting portion 276, the mounting portion 276 is inverted V-shaped, and opening direction is close to the nail bin gasket 130, the mounting portion
276 end is accommodated in the mounting hole 171, can save space, is conducive to the miniaturization of the stapling apparatus.
Further, the material of the nail bin gasket 130 can for nonabsorable material, artificial synthesized absorbable material or
The material of the human implantables such as biomass absorbable material, these materials are without side-effects safely, are the medical treatment of manufacture implantation human body
The excellent selection of instrument；The nail bin gasket 130 is made of flexible thin material, can for non-woven fabrics, knitted fabric, needle pierce object,
The materials such as woven fabric, film or compacting thin slice, preparing the nail bin gasket 130 using flexible material can be in the force arm
141 pairs its pressure release after, skid off the distal end 131 of the nail bin gasket from the nail bin slot 123, realize the nail
The release of the distal end 131 of storehouse gasket avoids non-flexible material and prepares nail bin gasket described in 130 bring of nail bin gasket
Distally 131 it is difficult to the problem of discharging, improves the reliability that the distal end 131 of the nail bin gasket discharges.In another embodiment
In, the nail bin gasket 130 can be made of flexible material described in one or more layers, and optionally, the nail bin gasket 130 can be with
It is made of two layers of flexible material；Further, the thickness of the nail bin gasket 130 can be uniformly or uneven,
In one embodiment, the nail bin gasket 130 is in uneven thickness, 130 proximal end of nail bin gasket with a thickness of the nail
1.5-3 times of 131 thickness of distal end of storehouse gasket, 130 proximal end of nail bin gasket, which is thickeied, can be improved the nail bin gasket 130
The intensity of proximal end avoids 130 thickness of nail bin gasket is too low from causing 130 proximal end of nail bin gasket that the nail bin fixation hole is being arranged
The problems such as rupturing after 133 improves the q&r of product.
Referring to FIG. 3, Figure 14-16, Figure 14 are that nail bin groupware 100 shown in the utility model Fig. 1 is right along its length
Claim the cross-sectional view of axis；Figure 15 is the enlarged view of 100 distal end of nail bin groupware shown in Fig. 1；Figure 17 is nail bin shown in Fig. 2
The schematic diagram that deformation occurs of gasket 130, and the arrow in Figure 10 indicates the direction of motion of the cutter 310.As Figure 14-16 institute
Show, when the cutter 310 are moved to the proximal end of the nail bin casket 120, the cutting edge oral area 312 is from the nail bin pad
Piece auxiliary incision 134 starts to cut, and continues to cut the nail bin gasket auxiliary cutting line after the nail bin fixation hole 133
132, in above-mentioned cutting process, deformation occurs for the proximal end of the nail bin gasket 130 and it is mobile to two sides, and then from the nail bin
It falls off on casket hook to discharge the proximal end of the nail bin gasket 130.When the cutter 310 move to the nail bin groupware 200
Distal end when, the resist-nailed seat 260 is moved at first flexible fastening piece 140, and the protruding end 262 of the resist-nailed seat compresses
The force arm 141 of first flexible fastening piece 140, deformation occurs and leaves initial position (in Figure 16 for the force arm 141
Dotted line position) 110 directions of Xiang Suoshu nail bin pedestal are mobile and discharge the distal end 131 of the nail bin gasket.
In one embodiment, Figure 15 is please referred to, first flexible fastening piece 140 is gasket spring comprising force arm
141 and fixing end 142, wherein the fixing end 142 is connected on the nail bin casket 120, and the force arm 141 connects described
Fixing end 142 and the distal end 131 for being used to fix the nail bin gasket.Specifically, the fixing end 142 is by welding, riveting, glues
The mode for connecing or buckling is fixed on the distal end of the nail bin casket 120；In one embodiment, the fixing end 142 passes through weldering
The mode connect is fixed on the distal end of the nail bin casket 120, and the mode of welding stronger can consolidate the fixing end 142
Be scheduled on the distal end of the nail bin casket 120, the force arm 141 by external force deformation occurs when, can be avoided the fixing end
142 be not fixed firmly caused by the distal end 131 of the nail bin gasket cannot reliably discharge bring security risk, and at another
In embodiment, the fixing end 142 is fixed on the nail bin pedestal 110.
Please continue to refer to Fig. 2, in one embodiment, the chopping block component 200 includes: chopping block shell 210；Chopping block body 220,
It is arranged on the chopping block shell 210 to be constituted the second accommodation space (not shown) with the chopping block shell 210, wherein please refer to figure
17, Figure 17 be the structural schematic diagram of chopping block body 220 shown in Fig. 2.As shown in figure 11, the chopping block body 220 includes chopping block body
Location hole 221, the second guide path 222 and chopping block slot 223；Second guide path 222 and first guide path
122 it is corresponding for the cutter 310 along second guide path 222 from the proximal end of the chopping block component 200 to its
Distal end is mobile, and the chopping block gasket 230 is mounted on the chopping block body 220.Second flexible fastening piece 240, setting is described the
In two accommodation spaces, and close to the distal end of the chopping block component 200, with the distal end 231 of the fixation chopping block gasket.
Figure 18 and Figure 19 are please referred to, Figure 18 is the structural schematic diagram of chopping block hook 250 shown in Fig. 2；Figure 19 is in Fig. 2
Shown in chopping block gasket 230 structural schematic diagram.As depicted in figs. 18-19, the chopping block gasket 230 includes chopping block gasket distal end
231, chopping block gasket auxiliary cutting line 232, chopping block fixation hole 233 and chopping block auxiliary incision 234；The distal end of the chopping block gasket
231 are inserted into second accommodation space by the chopping block slot 223, and are consolidated by second flexible fastening piece 240
It is fixed, and the chopping block gasket 230 is fixed proximally by chopping block hook 250.Specifically, the chopping block hook 250 includes
Chopping block hook fixing end 251 and the chopping block being fixedly connected with chopping block hook fixing end 251 link up with cantilever 252, the chopping block
Hook fixing end 251 is fixed on the chopping block body 220 by modes such as welding, stickup, clampings, the chopping block gasket 230
Proximal end offers chopping block fixation hole 233, and the chopping block gasket 230 is set in institute proximally by the chopping block fixation hole 233
It states on chopping block hook cantilever 252；The chopping block hook cantilever 252 is warp architecture, by linking up with fixing end 251 to the chopping block
The curved end of protrusion compresses the proximal end of the chopping block gasket 230.
Optionally, the chopping block fixation hole 233 can be rectangular opening corresponding with chopping block hook 252 shape of cantilever
(please referring to Figure 19) or rectangular through-hole (please refer to Figure 20, the chopping block fixation hole 233 is not only convenient for being produced into using rectangular through-hole
Type, and be conducive to the chopping block fixation hole 233 and link up with cantilever 252 and the chopping block body from the chopping block rapidly in cutting process
It is detached from 220, improves the reliability that the chopping block gasket 230 discharges process.In addition, the number of the chopping block hook cantilever 252
Amount can be selected, and can be 2,4 or 5 etc..
Optionally, the extending direction of the chopping block hook cantilever 252 can assist cutting line 232 with the chopping block gasket
Direction is parallel or vertical；In one embodiment, Figure 18, Figure 19, Figure 23, Figure 24 are please referred to, Figure 23 is chopping block shown in Fig. 2
Gasket 230 and chopping block body 220 assembling schematic diagram；Figure 24 is the partial enlarged view of structure I shown in Figure 23, the anvil
It is parallel that plate links up with extending direction and the chopping block gasket auxiliary direction of cutting line 232 of cantilever 252, and it is corresponding be mounted on described in
At the position of rectangular opening on chopping block fixation hole 233.Further, the chopping block hook cantilever is S-shaped, the chopping block hook
The initial position of 250 cantilevers is fixed on the middle position that the chopping block links up with 250 fixing ends, the bending close to the initial position
For limiting to the chopping block fixation hole 233, the bending section far from the enlightenment position is used for against the fixation anvil in portion
The proximal end of plate gasket.It certainly, is that the utility model chopping block hook 250 second is implemented please further refer to Figure 21 and Figure 22, Figure 21
The structural schematic diagram of mode；Figure 22 is the structural schematic diagram that the utility model chopping block links up with 250 third embodiments, the chopping block
The initial position of hook cantilever 251 may be located on the endface position of the chopping block hook fixing end 251, and the chopping block is linked up with
The shape of cantilever 252 can be the other shapes such as U-shaped, corresponding with the shape of the chopping block body 220, realize that the chopping block hook is solid
Fixed end 251 is fixedly secured, and the chopping block hook fixing end 251 can be horizontal plane or inclined surface, as long as convenient for the anvil
The proximal end of plate gasket 230 is fixed and discharges.
Similar, the nail bin fixation hole 133 can be using shape identical with the chopping block fixation hole 233 (please again
With reference to Figure 19 and Figure 20), in order to the nail bin fixation hole 133 be easily set on the nail bin casket cantilever 121 and
It is detached from from the nail bin casket cantilever 121 rapidly in cutting process, improves the nail bin gasket 130 and fix and discharge process
Reliability.
Further, the material of the chopping block gasket 230 can for nonabsorable material, artificial synthesized absorbable material or
The material of the human implantables such as biomass absorbable material, these materials are without side-effects safely, are the medical treatment of manufacture implantation human body
The excellent selection of instrument；The chopping block gasket 230 is made of flexible thin material, can for non-woven fabrics, knitted fabric, needle pierce object,
The materials such as woven fabric, film or compacting thin slice, preparing the chopping block gasket 230 using flexible material can exert a force in the pressure
After arm 241 discharges its pressure, skid off the distal end 231 of the chopping block gasket from the chopping block slot 223, described in realization
The release of the distal end 231 of chopping block gasket avoids non-flexible material and prepares chopping block gasket described in 230 bring of chopping block gasket
Distal end 231 be difficult to the problem of discharging, improve the chopping block gasket distal end 231 discharge reliability.In another implementation
In example, the chopping block gasket 230 can be made of flexible material described in one or more layers, and optionally, the chopping block gasket 230 can
To be made of two layers of flexible material；Further, the thickness of the chopping block gasket 230 can be uniformly or uneven
It is even, in one embodiment, the chopping block gasket 230 it is in uneven thickness, 230 proximal end of chopping block gasket with a thickness of described
1.5-3 times of 231 thickness of distal end of chopping block gasket, 230 proximal end of chopping block gasket, which is thickeied, can be improved the chopping block gasket
The intensity of 230 proximal ends avoids 230 thickness of chopping block gasket is too low from causing 230 proximal end of chopping block gasket to open up the chopping block to fix
The problems such as rupturing behind hole 233 improves the q&r of product.
Please refer to Figure 25, Figure 25 is the cross-sectional view of the symmetry axis along its length of chopping block component 200 shown in Fig. 1, described
Second flexible fastening piece 240 is arranged in second accommodation space, and is arranged close to the distal end of the chopping block component 200, with
The distal end 231 of the fixed chopping block gasket；Second flexible fastening piece 240 can be gasket spring, elastic piece, cylinder spring or torsion
The structure that spring etc. can be analyzed to independent energy-storaging spring and be pressed, and under suitable installation site and operating condition, it is described
First flexible fastening piece 140 can be replaced mutually with second flexible fastening piece 240.In one embodiment, described second
Flexible fastening piece 240 can be metal material, such as copper, aluminium are made, and can also be made of plastic material, such as thermoplastic elastomer (TPE)
TPE, acryl plastics PMMA etc., making second flexible fastening piece 240 using flexible energy-accumulation material can protect
Card reliably fastens the distal end 231 of the chopping block gasket, and can be described by making in the end that the cutter 310 move
Deformation occurs and discharges the distal end 131 of the chopping block gasket for energy storage flexible fastening piece, not only securely and reliably, and it is easy to operate.
In one embodiment, second flexible fastening piece 240 is gasket spring comprising pressure force arm 241 and company
Connect end 242, wherein the connecting pin 242 is connected on the chopping block shell 210, and the pressure force arm 241 connects the connection
End 242 and the distal end 231 for being used to fix the chopping block gasket.Specifically, the connecting pin 242 by welding, riveting, bonding or
The mode of buckle is fixed on the chopping block shell 210；In one embodiment, the connecting pin 242 is solid by welding
It is scheduled on the chopping block shell 210, the connecting pin 242 stronger can be fixed on the chopping block shell by the mode of welding
210, the pressure force arm 241 by external force deformation occurs when, can be avoided caused by the connecting pin 242 is not fixed firmly
The distal end 231 of the chopping block gasket cannot reliably discharge bring security risk.
Figure 26-Figure 28 is please referred to, Figure 26 is the enlarged view of 200 distal end of chopping block component shown in Fig. 1；Figure 27 is Fig. 1
Shown in 200 proximal end of chopping block component enlarged view；Figure 28 is the signal that deformation occurs of chopping block gasket 230 shown in Fig. 2
Figure.During the cutter 310 movement, when the cutter 310 are moved to the proximal end of the chopping block component 200,
The cutting edge oral area 312 is cut since the chopping block gasket auxiliary incision 234, after the chopping block fixation hole 233
Continue to cut the chopping block gasket auxiliary cutting line 232, in above-mentioned cutting process, the proximal end of the chopping block gasket 230 occurs
Deformation and it is mobile to two sides, and then fall off from the fixed pin 250 to discharge the proximal end of the chopping block gasket 230.When described
When cutter 310 move to the distal end of the nail bin groupware 200, the front end protrusion in the upper knife body portion 311 moves partially into institute
It states at the second flexible fastening piece 240, the front end protrusion part in the upper knife body portion 311 compresses second flexible fastening piece 240
The pressure force arm 241, to force the pressure force arm 241, deformation occurs and leaves the initial position (void in Figure 28
Line position) 210 directions of Xiang Suoshu chopping block shell are mobile, and its own is in line shape by the L deformation of initial position, and then by the chopping block
The distal end 131 of gasket discharges.
In conclusion the distal end of chopping block gasket described in the utility model 230 and the distal end of the nail bin gasket 130 difference
Be inserted into fastening in the chopping block slot 223 and the nail bin slot 123, make the chopping block gasket distal end 231 and the nail bin
The distal end 131 of gasket, which avoids to scratch with tissue, causes the risk of flange, and can be according to the fortune of stapler jaw contacts tissue
Dynamic direction greatly reduces after jaw folder closes naturally along exhibition and the risk of fold occurs, further improve the chopping block gasket
230 and the nail bin gasket 130 and tissue identical quality.Meanwhile the chopping block gasket 230 and the nail bin gasket 130
The tissue contact surface of appearance profile shape and size and the attached nail bin casket 120 and the chopping block body 220 is similar and omits
It is small, avoid in use occur gasket edge with tissue occur it is unnecessary contact, make the risk of fold or movement.In addition, our
The elastic element (the first flexible fastening piece 140 and the second flexible fastening piece 240) that presses in case is all made of medical stainless steel material,
The connection type of itself and the nail bin casket 120 and the chopping block shell 210 does not also increase additional materials, therefore filters out there is no bad
Biological safety risk caused by object.
Positioning is realized by the mode of pressing in the chopping block gasket distal end 231 and the distal end 131 of the nail bin gasket, due to closing
Force arm configuration (the force arm 141 and the second flexible fastening piece of the first flexible fastening piece 140 of elastic element is pressed in reason design
240 force arm 241) so that the chopping block gasket 230 and the nail bin gasket 130 obtain suitable precompression, and it is coincideing
Not to described tight in the multiplicating clamping of device jaw (nail bin groupware 100 and the chopping block component 200) and homing action
The precompression of compression elasticity element has an impact, it is ensured that the chopping block gasket 230 described in this action process and the nail bin gasket
130 reliable location.
Meanwhile the chopping block gasket distal end 231 and the distal end 131 of the nail bin gasket are fixed with release movement by same unitary
Part is implemented, and intermediate transmission link is reduced, and simplifies linkage release process, and compressed position for elastic element force arm
It sets and has carried out rational Design on Plane, making force side is laborsaving lever, significantly reduces the direct active force of user, improves system
Ergonomic, release movement more rapidly, it is laborsaving, reliability is higher.
On the other hand, it since the resist-nailed seat 260 is not resetted with the cutter 310, will be stayed in after completing percussion
120 distal end of nail bin casket, remains compressing to 140 force arm 141 of the first flexible fastening piece；And second bullet
Property fixing piece 240 force arm 241 since the front end protrusion part in the upper knife body portions 311 of the cutter 310 compresses production
Raw plastic deformation, cannot freely reset, to realize after the reset of cutter 310 is completed in percussion, the chopping block gasket
230 and the nail bin gasket 130 completely release.
In addition, the elastic element that presses in the present embodiment is positioning and is discharging the chopping block gasket 230 and the nail bin pad
Any change is not caused to stapler outer dimension in the motion process of piece 130, there is no part-structures and tissue to connect
Touching causes the safety in utilization hidden danger of secondary injury.The chopping block gasket 230 and the nail bin gasket 130 have been passed through using preceding
Press elastic member and be fixed on stapler jaw corresponding position, user only need to be according to the application method of existing standards device
Effective use to this programme instrument is completed, does not need additional operation sequence, study needed for reducing new accessories use
It is time, convenient to use；The present embodiment largely borrows existing standards device components, and technical maturity, stabilization are increased
Gasket fastening system component structural is simple, assembly is convenient, can be mass-produced in a manner of conventional machining, system is overall
Technology difficulty is lower, and manufacturing cost is cheap.
The foregoing is merely the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
It is equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, directly or indirectly uses
In other related technical areas, it is also included in the patent protection scope of the utility model.
Claims (10)
1. a kind of operative anastomat device, which is characterized in that the anastomat device includes:
Nail bin groupware comprising nail bin pedestal and the nail bin casket being mounted on the nail bin pedestal, wherein the nail bin casket it is remote
Hold exposed outside the nail bin pedestal, and the proximal end of the nail bin casket is mounted on the nail bin pedestal；
Chopping block component, distal end far from the nail bin groupware, and its proximal end close to the nail bin casket proximal end and be articulated in described
To be rotatably arranged on the nail bin groupware on nail bin pedestal；
The proximal end on the nail bin pedestal and close to the nail bin casket and the chopping block component is arranged in, wherein institute in driving assembly
Stating driving assembly can be along the nail bin pedestal from the proximal end of the nail bin casket and the chopping block component to the nail bin casket and institute
The distal end movement of chopping block component is stated so that the chopping block component is bonded with the nail bin casket；
Wherein, the anastomat device further includes nail bin gasket and chopping block gasket, the nail bin gasket proximally by nail bin casket
Hook is detachably arranged on the nail bin casket, and the chopping block gasket is fixed at the anvil proximally by chopping block hook
On board group part, and nail bin hook and chopping block hook are spring energy storage part；Cutting is provided in the driving component
Knife, when the cutter are from the proximal end of the nail bin casket and the chopping block component to the remote of the nail bin casket and the chopping block component
When end is mobile, the nail bin gasket and the chopping block gasket are cut and are taken off from the nail bin casket and the chopping block component respectively
From.
2. anastomat device according to claim 1, which is characterized in that the spring energy storage part includes individual accumulation of energy bullet
Spring and it is arranged on the nail bin casket or the chopping block body and presses executive item.
3. anastomat device according to claim 2, which is characterized in that the nail bin casket hook is individual spring energy storage
Part, the nail bin casket hook include nail bin casket hook compressed part, nail bin casket hook fixed part and the connection nail bin casket hook pressure
The nail bin casket of tight portion and nail bin casket hook fixed part links up with sleeved part, and the nail bin casket hook sleeved part makes the nail bin casket
Hook is set in nail bin casket proximal end.
4. anastomat device according to claim 3, which is characterized in that the nail bin casket and the nail bin groupware constitute one
A first receiving space offers the first guide path so that the cutter are along first guideway on the nail bin casket
Diameter is mobile from the proximal end of the nail bin casket to its distal end, and the nail bin groupware further comprises:
First flexible fastening piece is arranged in the distal end in the first receiving space and close to the nail bin casket and is arranged, with fixation
The distal end of the nail bin gasket；
Resist-nailed seat, be arranged in the first receiving space and contradict on the cutter with the movement with cutter and into
Row movement, wherein when the resist-nailed seat is moved to first flexible fastening piece, first flexible fastening piece generates shape
Become, to discharge the distal end of the nail bin gasket；
Wherein, the nail bin casket hook fixed part is equipped with protruding end, is fastened on the nail bin casket far from nail bin gasket side
Nail bin casket groove in fixation nail bin casket hook, the nail bin casket gasket proximal end is set in the nail bin casket hook and compresses
Between portion and the nail bin casket sleeved part, and by nail bin casket hook compressed part against the proximal end of the nail bin gasket.
5. anastomat device according to claim 3, which is characterized in that the anastomat device further includes nail bin casket hook
Installation part, the nail bin casket hook installation part, which is arranged on the nail bin casket, to be used for and is set in described in nail bin casket proximal end
The hook cooperation of nail bin casket is with the proximal end of the fixation nail bin gasket, wherein when the cutter are moved to the nail bin casket hook
When at position corresponding to installation part, the proximal end of the nail bin gasket falls off from nail bin casket hook to discharge the nail bin
The proximal end of gasket.
6. anastomat device according to claim 5, which is characterized in that the nail bin casket hook installation part is hollow convex
It rises, the proximal end of the nail bin gasket is set in the hollow protrusion, and the nail bin casket hook fixed part extend into described hollow
With the fixation nail bin casket hook in the groove of protrusion, the nail bin casket hook compressed part compresses the close of the nail bin gasket
End.
7. anastomat device according to claim 5, which is characterized in that the nail bin casket hook installation part is mounting hole,
The nail bin casket hook sleeved part makes the nail bin casket hook be set in the proximal end of the nail bin casket, and the nail bin casket, which is linked up with, to be fixed
Portion is resisted against the mounting hole with the fixation nail bin casket hook on the edge of the driving component, and the nail bin casket is hung
Hook fixed part is protruded from the mounting hole so that the proximal end of the nail bin gasket is set on nail bin casket hook fixed part, institute
State the proximal end that nail bin casket hook compressed part compresses the nail bin gasket.
8. anastomat device according to claim 4, which is characterized in that the chopping block component includes:
Chopping block shell；
Chopping block body is arranged on the chopping block shell to be constituted the second accommodation space with the chopping block shell, wherein on the chopping block body
Offer the second guide path, second guide path it is corresponding with first guide path for the cutter along
Second guide path is mobile from the proximal end of the chopping block component to its distal end, and the chopping block gasket is mounted on the chopping block body
On；
Second flexible fastening piece is arranged in second accommodation space, and close to the distal end of the chopping block component, to fix
State the distal end of chopping block gasket.
9. anastomat device according to claim 8, which is characterized in that the chopping block hook includes that chopping block links up with fixing end
Cantilever is linked up with the chopping block being fixedly connected with chopping block hook fixing end, the chopping block hook fixing end is welded on the chopping block
On body, the proximal end of the chopping block gasket offers chopping block fixation hole, the chopping block gasket proximally by the chopping block fixation hole
And it is set on the chopping block hook cantilever；The chopping block hook cantilever is warp architecture, is fixed by linking up with to the chopping block
The curved end of end protrusion compresses the proximal end of the chopping block gasket.
10. anastomat device according to claim 8, which is characterized in that the cutter include: upper knife body portion, cut
Body portion and blade part, wherein the blade part is arranged between the upper knife body portion and lower knife body portion, and the upper knife body portion
Front end be provided with protrusion part, when the cutter are moved to the far-end of the chopping block component, the upper knife body portion it is convex
Second flexible fastening piece is contradicted, partially out to force second flexible fastening piece to discharge the distal end of the chopping block gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821398327.9U CN209153820U (en) | 2018-08-28 | 2018-08-28 | A kind of operative anastomat device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821398327.9U CN209153820U (en) | 2018-08-28 | 2018-08-28 | A kind of operative anastomat device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209153820U true CN209153820U (en) | 2019-07-26 |
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ID=67330311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821398327.9U Active CN209153820U (en) | 2018-08-28 | 2018-08-28 | A kind of operative anastomat device |
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| CN (1) | CN209153820U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109091183A (en) * | 2018-08-28 | 2018-12-28 | 成都颐合恒瑞医疗科技有限公司 | A kind of operative anastomat device |
-
2018
- 2018-08-28 CN CN201821398327.9U patent/CN209153820U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109091183A (en) * | 2018-08-28 | 2018-12-28 | 成都颐合恒瑞医疗科技有限公司 | A kind of operative anastomat device |
| CN109091183B (en) * | 2018-08-28 | 2023-12-01 | 成都颐合恒瑞医疗科技有限公司 | Surgical anastomat device |
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