CN104274223A - Medical anastomat - Google Patents

Medical anastomat Download PDF

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Publication number
CN104274223A
CN104274223A CN201410600960.1A CN201410600960A CN104274223A CN 104274223 A CN104274223 A CN 104274223A CN 201410600960 A CN201410600960 A CN 201410600960A CN 104274223 A CN104274223 A CN 104274223A
Authority
CN
China
Prior art keywords
push rod
nail bin
anastomat
sliding tray
sliding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201410600960.1A
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Chinese (zh)
Other versions
CN104274223B (en
Inventor
陈望东
丁水澄
李来存
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Tianchen International Medical Technology Co Ltd
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Suzhou Tianchen International Medical Technology Co Ltd
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Priority to CN201410600960.1A priority Critical patent/CN104274223B/en
Publication of CN104274223A publication Critical patent/CN104274223A/en
Application granted granted Critical
Publication of CN104274223B publication Critical patent/CN104274223B/en
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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/068Surgical staplers, e.g. containing multiple staples or clamps
    • A61B17/072Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
    • A61B17/07207Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously the staples being applied sequentially
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/11Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
    • A61B17/115Staplers for performing anastomosis in a single operation
    • A61B17/1155Circular staplers comprising a plurality of staples
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28Surgical forceps
    • A61B17/2812Surgical forceps with a single pivotal connection
    • A61B17/2841Handles
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/0046Surgical instruments, devices or methods, e.g. tourniquets with a releasable handle; with handle and operating part separable

Abstract

The invention discloses a medical anastomat, comprising an actuating component, an anvil base, an anvil component, a staple cartridge component and a support structure, wherein the actuating component comprises a staple cartridge push rod, a front connecting rod and a rear connecting rod; the staple cartridge push rod and the rear connecting rod are respectively connected with the front connecting rod through a pivot shaft; a first sliding groove is formed in the staple cartridge push rod; the support structure is connected with a first sliding pin matched with the first sliding groove; the actuating component changes the distance between the far end of the front connecting rod and the near end of the rear connecting rod through opposite pivot of the front connecting rod and the rear connecting rod, so as to drive the staple cartridge push rod to move along a path which is defined by the first sliding groove and the first sliding pin; the support structure is provided with a second sliding groove which is parallel to the first sliding groove; and the staple cartridge push rod is connected with a second sliding pin matched with the second sliding groove. Through a defining structure for the sliding path of the staple cartridge push rod, the stability of the anastomat structure when a target tissue is closed can be ensured.

Description

Medical stapler
Technical field
The invention belongs to manufacture technology field of medical appliance, be specifically related to a kind of Medical stapler.
Background technology
A kind of medical apparatus and instruments that anastomat often uses when being and carrying out surgical operation to physiological tissues such as intestinals, it is the equipment that the alternative traditional-handwork medically used is sewed up, due to the development of modern science and technology and the improvement of manufacturing technology, the anastomat reliable in quality used clinically at present, easy to use, tightly, degree of tightness is suitable, especially its stitching is quick, easy and simple to handle and seldom have the advantage such as side effect and postoperative complication, sometimes the tumor operation that cannot excise of also making over is able to lesion resection, very by favor and the high praise of domestic and international Clinical Surgery doctor; The difference of this instrument performance plays vital effect for whole surgical effect.
Summary of the invention
The object of the present invention is to provide a kind of Medical stapler, when it can ensure closed destination organization, the stability of anastomat structure.
For achieving the above object, the invention provides a kind of Medical stapler, comprise percussion assembly, nail anvil seat, nail-anvil assembly, nail bin groupware and supporting construction, described percussion assembly comprises nail bin push rod, front rod and back link, described nail bin push rod and back link are pivotally connected with described front rod respectively, described nail bin push rod is provided with the first sliding tray, described supporting construction is connected with the first sliding pin with described first sliding tray adaptation, described percussion assembly is by the distance between far-end and the near-end of back link changing described front rod that is pivoted relative to each other of described front rod and back link, and and then the path movement driving described nail bin push rod to limit along described first sliding tray and the first sliding pin, described supporting construction is provided with second sliding tray parallel with described first sliding tray, described nail bin push rod is connected with the second sliding pin with described second sliding tray adaptation.
As a further improvement on the present invention, described second sliding pin is the pivotal axis connecting described nail bin push rod and front rod.
As a further improvement on the present invention, described supporting construction comprises the left side brackets and right side support that are oppositely arranged, and described second sliding tray correspondence is formed on described left side brackets and right side support.
As a further improvement on the present invention, described anastomat also comprises anti-overflow pin push rod, described anti-overflow pin push rod comprises the left pitman arm and right connecting rod arm that coordinate with two opposing surface of described left side brackets and right side support respectively, wherein, when described anastomat is in original state, cock and percussion completion status, the projection in its axial direction of described second sliding pin and described left pitman arm and right connecting rod arm have lap.
As a further improvement on the present invention, when described anastomat is in original state, cock and percussion completion status, the two ends of described second sliding pin are held on described left pitman arm and right connecting rod arm respectively.
As a further improvement on the present invention, the near-end of the more contiguous described anastomat of relatively described first sliding tray of described second sliding pin.
As a further improvement on the present invention, described second sliding tray is kidney slot.
Foregoing invention object can also solve in the following manner, a kind of Medical stapler is provided, comprise percussion assembly, nail anvil seat, nail-anvil assembly, nail bin groupware and supporting construction, described percussion assembly comprises the nail bin push rod be slidably connected with described supporting construction, described supporting construction is provided with the second sliding tray distally extended from the near-end of described anastomat, described nail bin push rod is connected with the second sliding pin with described second sliding tray adaptation.
As a further improvement on the present invention, described supporting construction comprises the left side brackets and right side support that are oppositely arranged, and described second sliding tray correspondence is formed on described left side brackets and right side support.
As a further improvement on the present invention, described anastomat also comprises anti-overflow pin push rod, described anti-overflow pin push rod comprises the left pitman arm and right connecting rod arm that coordinate with two opposing surface of described left side brackets and right side support respectively, wherein, when described anastomat is in original state, cock and percussion completion status, the projection in its axial direction of described second sliding pin and described left pitman arm and right connecting rod arm have lap.
As a further improvement on the present invention, when described anastomat is in original state, cock and percussion completion status, the two ends of described second sliding pin are held on described left pitman arm and right connecting rod arm respectively.
As a further improvement on the present invention, described percussion assembly comprises nail bin push rod, front rod and back link, described nail bin push rod and back link are pivotally connected with described front rod respectively, described percussion assembly is by the distance between far-end and the near-end of back link changing described front rod that is pivoted relative to each other of described front rod and back link, and and then drive the relatively described supporting construction of described nail bin push rod to slide, wherein, described second sliding pin is the pivotal axis connecting described nail bin push rod and front rod.
As a further improvement on the present invention, described second sliding tray is kidney slot.
Compared with prior art, Medical stapler provided by the invention is by arranging the second sliding tray on the support structure, nail bin push rod in percussion assembly coordinates the path to limit nail bin push rod relative support structure motion by the second sliding pin with this second sliding tray, avoid the over-stressed of nail bin push rod, ensure that the structural stability of anastomat and closed impression.
Accompanying drawing explanation
Fig. 1 is the structural representation of Medical stapler one embodiment of the present invention;
Fig. 2 is the detonation configuration schematic diagram of nail bin groupware and nail-anvil assembly in Medical stapler one embodiment of the present invention;
Fig. 3 is the detonation configuration schematic diagram of Medical stapler one embodiment of the present invention;
Fig. 4 is the exploded perspective view of the part-structure of Medical stapler one embodiment of the present invention;
Fig. 5 is the structural representation of anti-overflow pin push rod in Medical stapler one embodiment of the present invention;
Fig. 6 is the phantom not installing anti-overflow pin push rod in Medical stapler one embodiment of the present invention;
Fig. 7 is the phantom of Medical stapler one embodiment of the present invention when original state;
Fig. 8 is the phantom of Medical stapler one embodiment of the present invention when pulling the trigger completion status.
Detailed description of the invention
Describe the present invention below with reference to detailed description of the invention shown in the drawings.But these embodiments do not limit the present invention, the structure that those of ordinary skill in the art makes according to these embodiments, method or conversion functionally are all included in protection scope of the present invention.
For clearly expressing position described in the application and direction, using exercises on apparatus author as reference, be near-end near one end of operator, the one end away from operator is far-end.Meanwhile, in this application, the below of definition anastomat is the direction that gripping handle is extended by housing, relative with below this, is namely defined as the top of anastomat.
As shown in Figure 1, in an embodiment of the present invention, anastomat 100 comprises housing 10, by the supporting construction 20 of distally stretching out in housing 10, is connected to the nail anvil seat 30 of supporting construction 20 far-end.Nail anvil seat 30 can be fixedly connected with supporting construction 20, and its cross section is curved, forms gripping handle 40 below the near-end of housing 10.
Anastomat 100 also comprises nail bin groupware 32 and nail-anvil assembly 34.In the present embodiment, nail bin groupware 32 and nail-anvil assembly 34 are removably mounted on nail anvil seat 30, and and the mating shapes of nail anvil seat 30, namely be that the cross section of nail bin groupware 32 and nail-anvil assembly 34 is also all set to arc, so, can coincide to physiological tissue in working place less.
As shown in Figure 2, nail bin groupware 32 has nail bin 322, this nail bin 322 comprises a nail bin face (sign), nail bin face is arranged with in an interleaved manner the staple containing groove (sign) of a line or multirow, and nail bin groupware 32 also comprises and is arranged at pushing slice of nail 324 in nail bin 322 and cutting knife component.Suturing nail can be released by pushing slice of nail 324 in staple containing groove, and cutting knife component comprises the cutting knife 328 that a knife rest 326 and is arranged on knife rest 326 far-end.Being configured with a nail bin cover 329 in nail bin groupware 32 for taking blocking effect to the suturing nail in nail bin 32 and cutting knife 328, preventing missing nail and mistakenly hit from sending out.
Nail bin face and pushing slice of nail 324 are respectively equipped with and the slit of this cutting knife 328 adaptation (sign), to support that the percussion of cutting knife 328 operates.In the present embodiment, staple containing slot, in the both sides of slit, so, to organizing in cutting and stitching process, can be sewed up from disconnected tissue two broken ends of fractured bone simultaneously.
Coordinate with reference to shown in Fig. 3 and Fig. 4, in an embodiment of the present invention, the far-end of nail bin groupware 32 is also connected with nail-anvil assembly 34, nail-anvil assembly 34 comprises nail anvil 342 and cutter anvil 344, while nail bin groupware 32 is installed to nail anvil seat 30, this nail anvil 342 and cutter anvil 344 can be arranged on nail anvil seat 30 ordinatedly.
Supporting construction 20 comprises left side and the right side support 22,24 of pair of opposing, left side and right side support 22,24 are respectively arranged with the installing hole 222,242 that can coordinate with the pin-and-hole on nail anvil seat 30 and upper default projection 302 thereof, to realize being fixed to one another of nail anvil seat 30 and supporting construction 20.
The other end of supporting construction 20 is connected to housing 10, and correspondingly, this housing 10 comprises left half housing 12 and right half housing 14, to be connected respectively left side and right side support 22,24.
Anastomat 100 also comprises percussion assembly 50, percussion assembly 50 comprise be located at percussion handle 52 below anastomat 100, the nail bin push rod 54 that drives by percussion handle 52 and the driving member connecting percussion handle 52 and nail bin push rod 54.Nail bin push rod 54 can, under the effect of percussion handle 52, drive nail bin groupware 32 distally to move from the near-end of anastomat 100, with near nail-anvil assembly 34, finally makes nail bin groupware 32 and nail-anvil assembly 34 close.
Certainly, if be placed with physiological tissue between nail bin groupware 32 and nail-anvil assembly 34, then this nail bin push rod 54 can drive nail bin groupware 32 to close this physiological tissue near nail-anvil assembly 34 with folder.
In an embodiment of the present invention, driving member comprises front rod 562 and back link 564.The far-end of front rod 562 is connected with nail bin push rod 54, and the near-end of front rod 562 is connected with the far-end of back link 564, and the near-end of back link 564 is connected in supporting construction 20.
Move along predetermined closing direction to guide nail bin push rod 54, the second sliding tray 228,246 that near-end supporting construction 20 being provided with self-fitting device 100 distally extends, correspondingly, this second sliding tray 228,246 correspondence is formed on left side brackets 22 and right side support 24.Nail bin push rod 54 is arranged between left side brackets 22 and right side support 24, it is connected with the second sliding pin 561 with the second sliding tray 228,246 adaptation, and nail bin push rod 54 is slidably matched by this second sliding pin 561 and the second sliding tray 228,246.In anastomat 100 closing course, this the second sliding tray 228,246 in fact also defines the motion path of nail bin push rod 54, and, because the second sliding tray 228,246 is formed on left side brackets 22 and right side support 24, when the second sliding pin 561 is stressed, its active force be subject to is shared jointly by left side and right side support 22,24, decreases the active force born required for single beaer (left side brackets 22 or right side support 24), ensure that the stability of anastomat 100 structure.
As preferred embodiment, this second sliding pin 561 is the pivotal axis connecting nail bin push rod 54 and front rod 562, like this, the original structure that this second sliding pin 561 substantial use of in anastomat 100 carries out improvement design, avoid the complexity increasing anastomat 100 structure, certainly, in the embodiment replaced, second sliding pin 561 also can be not designed to the pivotal axis connecting nail bin push rod 54 and front rod 562, and is set up the correct position place being connected on nail bin push rod 54 other.
Nail bin push rod 54 is also provided with the first sliding tray 542, supporting construction 20 is connected with the first sliding pin 544 with the first sliding tray 542 adaptation, this first sliding tray 542 and the second sliding tray 228,246 are set parallel to each other, particularly, left side brackets 22 and right side support 24 are respectively arranged with installing hole 226,244 to be slidably matched with it to fix this first sliding pin 544, first sliding pin 544 through the first sliding tray 542.So, the structure that the sliding path of two parts to nail bin push rod 54 limits is included in the anastomat 100 of present embodiment, the first sliding tray 542 and the first sliding pin 544 and the second sliding tray 228,246 and second sliding pin 561 be fitted to each other respectively, further, the second sliding pin 561 is relative to the near-end of the more contiguous anastomat 100 of the first sliding tray 542.
In the process that anastomat 100 is closed, front rod 562 can apply a thrust obliquely to nail bin push rod 54 when self pivotable, the second sliding pin 561 on nail bin push rod 54 is by the top dynamicly component to upper part in this thrust obliquely being acted on the second sliding tray 228,246 on left side brackets 22 and right side support 24, and the counterforce counteraction the second sliding pin 561 applied with the top of the second sliding tray 228,246.Because the second sliding tray 228,246 extends along nail bin groupware 32 direction of motion, and it is the first sliding tray 542 and the second sliding tray 228,246 parallel to each other, therefore, current connecting rods 562 promotes the second sliding pin 561 when moving along the bearing of trend of the second sliding tray 228,246, also just limit the direction that the nail bin push rod 54 that is connected with the first sliding pin 544 limits along the first sliding tray 542 to move, now can not produce frictional force due to conflict between the first sliding tray 542 on first sliding pin 544 and nail bin push rod 54, also just solve produced problem in prior art.Meanwhile, front rod 562 is mobile in the second sliding tray 228,246 of left and right support 22,24 by driving second sliding pin 561, can ensure stability and the rigidity of structure, guarantee that apparatus can close smoothly under thick structural state.Make the closed impression of anastomat 100 better, and further increase the structural stability of anastomat 100.
In above-mentioned embodiment, the first sliding tray 542 and the second sliding tray 228,246 are all that kidney slot is to optimize the matching relationship each other with the first sliding pin 544 and the second sliding pin 561.
Anastomat 100 also comprises an anti-overflow needle assembly, this anti-overflow needle assembly comprises an anti-overflow pin push rod 62, connects the actuator push rod 64 of anti-overflow pin push rod 62, and the anti-overflow pin 61(be arranged in nail bin groupware 32 joins shown in Fig. 2), anti-overflow pin 61 is connected with actuator push rod 64 linkage ground.
Ginseng Fig. 5 to Fig. 8, in an embodiment of the present invention, this anti-overflow pin push rod 62 is set to saddle type, and it is provided with symmetrical operating portion 626 at near-end, and operating portion 626 is given prominence to housing 10 and arranged.Anti-overflow pin push rod 62 also comprises the left pitman arm 622 and right connecting rod arm 624 that coordinate with two opposing surface of left side brackets 22 and right side support 24 respectively, when anastomat 100 is in original state, cock and percussion completion status, the second above-mentioned sliding pin 561 projection in its axial direction and left pitman arm 622 and right connecting rod arm 624 have lap.Also, namely, in the use procedure of anastomat 100, the second sliding tray 228,246 can not be passed in the two ends of the second sliding pin 561 and slippage goes out outside supporting construction 20.
Particularly, as Fig. 6 situation, now illustrate the situation of unassembled anti-overflow pin push rod 62, the second sliding pin 561 can slippage goes out supporting construction 20 by the second sliding tray 228,246; Fig. 7 and Fig. 8 be respectively with anastomat 100 original state and percussion completion status time, anti-overflow pin push rod 62 coordinates situation with 561 of the second sliding pin, by supporting of left pitman arm 622 and right connecting rod arm 624, the second sliding pin 561 can not slippage in the second sliding tray 228,246.Especially, when anastomat 100 is in original state, cock and percussion completion status, the two ends of this second sliding pin 561 are held in left pitman arm 622 and rear link arm 624 respectively, so, left pitman arm 622 and right connecting rod arm 624 also limit the possibility of the second sliding pin 561 displacement in its axial direction.
Anti-overflow needle assembly also comprises the rotating crank 66 be connected with anti-overflow pin push rod 62.Rotating crank 66 is pivotally connected to support 20, is movably connected on nail bin push rod 54 simultaneously.By the operating portion of anti-overflow pin push rod 62, anti-overflow pin push rod 62 distally can be advanced from the near-end of anastomat 100, meanwhile, when advancing anti-overflow pin push rod 62, also the actuator push rod 64 that can link distally moves, thus associatedly promotes anti-overflow pin 61 to anastomat distal movement.
The operating process of anastomat 100 in an embodiment of the present invention when Jia Bi physiological tissue is as follows:
Under the original state of anastomat 100, front rod 562 and back link 564 are arranged in an angle being less than 180 degree each other, and front rod 562 and back link 564 connecting portion are held in the support portion 522 in percussion handle 52.
When needs Jia Bi physiological tissue, can first physiological tissue be positioned between the nail anvil face of nail-anvil assembly 34 and the nail bin face of nail bin groupware 32, then, promote anti-overflow pin push rod 62 to move to anastomat far-end, thus interlock push rod 64 and anti-overflow pin 61 move to the far-end of anastomat, stretch out from nail bin groupware 32 to make anti-overflow pin 61, and finally coordinate with the receptacle (sign) that nail-anvil assembly 34 is provided with, close the opening between nail-anvil assembly 34 and nail bin groupware 32, also namely close the opening of nail anvil seat 30.
Then, percussion handle 52 is driven pivotally to rotate towards gripping handle 40, now, support portion 522 can support the connecting portion of front rod 562 and back link 564, front rod 562 and back link 564 is pivoted relative to each other with being forced to and towards the state motion tending to increase angle between the two.
In an embodiment of the present invention, front rod 562 supported portion 522 can be urged to the relatively stable mated condition of pressing from both sides in slightly larger than 180 degree of angles with back link 564, and the support division 224 be finally held in supporting construction 20, now front rod 562 and back link 564 move to interference state.
In the process, slightly reduce again after the distance limited between the far-end of front rod 562 and the near-end of back link 564 is increased to ultimate range gradually, one end due to back link 564 is fixed in supporting construction 20, the far-end of front rod 562 realizes the distal movement driving nail bin push rod 54 towards anastomat, nail bin push rod 54 driving force acted on nail bin groupware 32 nail bin groupware 32 is forced to close to nail-anvil assembly 34, thus clamping physiological tissue.
In an embodiment of the present invention, percussion assembly 50 also comprises an ejector pin bar 58, and it is engaged in nail bin push rod 54 slidably, and the surface that ejector pin bar 58 and knife rest 326 act on is made as the shape fitted each other.
In present embodiment, the cross section of ejector pin bar 58 is curved.
Percussion handle 52 is connected with a wedged plate 524, this wedged plate 524 can be assemblied in nail bin push rod 54 at least in part to realize the interaction with ejector pin bar 58.
The operating process of anastomat 100 in an embodiment of the present invention when cutting and sew up physiological tissue is as follows:
After completing the operation of above-mentioned Jia Bi physiological tissue, percussion handle 52 rotates towards the direction away from gripping handle 40 and realizes automatically reseting of percussion handle 52 under the drive of handle return spring (not shown).
In the process, wedged plate 524 in percussion handle 52 is triggered and is held on ejector pin bar 58, now, again by the direction pivot of percussion handle 52 towards gripping handle 40 is rotated, wedged plate 524 is made to promote the distal movement of ejector pin bar 58 to anastomat, to realize pulling the trigger while cutting knife 328 and pushing slice of nail 324, pushing slice of nail 324 suturing nail promoted in staple containing groove clenches on physiological tissue, and cutting knife 328 cuts corresponding physiological tissue simultaneously.
The near-end of ejector pin bar 58 has the holding part 582 extending nail bin push rod 54 outside, percussion assembly also comprises one and is connected to reseting elastic element 59 between this holding part 582 and supporting construction 20, in an embodiment of the present invention, reseting elastic element 59 is an extension spring.
In the process of percussion, reseting elastic element 59 is in extended state, and the percussion completion status of anastomat, namely be carried out cutting to physiological tissue and after sewing up, ejector pin bar 58 retracts by reseting elastic element 59 under the effect of self pulling force, meanwhile, by state that the knife rest 326 being provided with cutting knife 328 retracts.
After anastomat reaches percussion completion status, by pressing button release 70, with the nail bin groupware 32 of open closed and nail-anvil assembly 34.
In an embodiment of the present invention, button release 70 is movably connected in supporting construction 20 by a button release pin 702, and, the near-end of back link 564 also can by with the connection realization of this button release pin 702 and the relative fixing of supporting construction 20.
The far-end of button release 70 have can act on back link 564 support end 704, during pressing button release 70, this supports end 704 and front rod 562 and back link 564 can be driven towards forming the state motion being less than 180 degree of angles, namely be the moved beneath of connecting portion to anastomat of this front rod 562 and this back link 564, to destroy metastable mated condition between front rod 562 and back link 564, and then nail bin push rod 54 and nail bin groupware 32 are returned to opposite proximal end, thus apparatus is taken out from operative site.
Certainly, if desired reuse this anastomat, new nail bin groupware 32 and/or nail-anvil assembly 34 can be replaced, thus carry out the cutting and stitching of next time.
In the percussion process of Medical stapler 100 of the present invention, the thrust of the diagonal upward direction of nail bin push rod 31 is acted on by the nail bin pushrod movement path position limiting structure be fitted to each other by the front rod 562 in percussion assembly 40, namely the second sliding tray 228,246 and second sliding pin 561 is jointly shared and eliminates, ensure that anastomat 100 structure rigidity and closed time stability, and, improving the closed impression of anastomat 100, ensure that the exploitativeness when closing thicker organizing.
Be to be understood that, although this description is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should by description integrally, technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
A series of detailed description listed is above only illustrating for feasibility embodiment of the present invention; they are also not used to limit the scope of the invention, all do not depart from the skill of the present invention equivalent implementations done of spirit or change all should be included within protection scope of the present invention.

Claims (13)

1. a Medical stapler, comprise percussion assembly, nail anvil seat, nail-anvil assembly, nail bin groupware and supporting construction, described percussion assembly comprises nail bin push rod, front rod and back link, described nail bin push rod and back link are pivotally connected with described front rod respectively, described nail bin push rod is provided with the first sliding tray, described supporting construction is connected with the first sliding pin with described first sliding tray adaptation, described percussion assembly is by the distance between far-end and the near-end of back link changing described front rod that is pivoted relative to each other of described front rod and back link, and and then the path movement driving described nail bin push rod to limit along described first sliding tray and the first sliding pin, it is characterized in that, described supporting construction is provided with second sliding tray parallel with described first sliding tray, described nail bin push rod is connected with the second sliding pin with described second sliding tray adaptation.
2. Medical stapler according to claim 1, is characterized in that, described second sliding pin is the pivotal axis connecting described nail bin push rod and front rod.
3. Medical stapler according to claim 1 and 2, is characterized in that, described supporting construction comprises the left side brackets and right side support that are oppositely arranged, and described second sliding tray correspondence is formed on described left side brackets and right side support.
4. Medical stapler according to claim 3, it is characterized in that, described anastomat also comprises anti-overflow pin push rod, described anti-overflow pin push rod comprises the left pitman arm and right connecting rod arm that coordinate with two opposing surface of described left side brackets and right side support respectively, wherein, when described anastomat is in original state, cock and percussion completion status, the projection in its axial direction of described second sliding pin and described left pitman arm and right connecting rod arm have lap.
5. Medical stapler according to claim 4, is characterized in that, when described anastomat is in original state, cock and percussion completion status, the two ends of described second sliding pin are held on described left pitman arm and right connecting rod arm respectively.
6. Medical stapler according to claim 1, is characterized in that, the near-end of the more contiguous described anastomat of relatively described first sliding tray of described second sliding pin.
7. Medical stapler according to claim 1, is characterized in that, described second sliding tray is kidney slot.
8. a Medical stapler, comprise percussion assembly, nail anvil seat, nail-anvil assembly, nail bin groupware and supporting construction, described percussion assembly comprises the nail bin push rod be slidably connected with described supporting construction, it is characterized in that, described supporting construction is provided with the second sliding tray distally extended from the near-end of described anastomat, described nail bin push rod is connected with the second sliding pin with described second sliding tray adaptation.
9. Medical stapler according to claim 8, is characterized in that, described supporting construction comprises the left side brackets and right side support that are oppositely arranged, and described second sliding tray correspondence is formed on described left side brackets and right side support.
10. Medical stapler according to claim 9, it is characterized in that, described anastomat also comprises anti-overflow pin push rod, described anti-overflow pin push rod comprises the left pitman arm and right connecting rod arm that coordinate with two opposing surface of described left side brackets and right side support respectively, wherein, when described anastomat is in original state, cock and percussion completion status, the projection in its axial direction of described second sliding pin and described left pitman arm and right connecting rod arm have lap.
11. Medical staplers according to claim 10, is characterized in that, when described anastomat is in original state, cock and percussion completion status, the two ends of described second sliding pin are held on described left pitman arm and right connecting rod arm respectively.
12. Medical staplers according to claim 8, it is characterized in that, described percussion assembly comprises nail bin push rod, front rod and back link, described nail bin push rod and back link are pivotally connected with described front rod respectively, described percussion assembly is by the distance between far-end and the near-end of back link changing described front rod that is pivoted relative to each other of described front rod and back link, and and then drive the relatively described supporting construction of described nail bin push rod to slide, wherein, described second sliding pin is the pivotal axis connecting described nail bin push rod and front rod.
13. Medical staplers according to claim 8, is characterized in that, described second sliding tray is kidney slot.
CN201410600960.1A 2014-10-31 2014-10-31 Medical anastomat Active CN104274223B (en)

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CN104274223B CN104274223B (en) 2017-01-18

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105476678A (en) * 2015-12-22 2016-04-13 苏州英途康医疗科技有限公司 Linear cutting anastomat
CN108992113A (en) * 2018-08-26 2018-12-14 江苏孜航精密五金有限公司 The push jack cutter transmission mechanism of disposable arc line shaped Endo-GIA
CN109984794A (en) * 2017-12-29 2019-07-09 苏州天臣国际医疗科技有限公司 A kind of percussion equipment
CN110114018A (en) * 2016-12-21 2019-08-09 爱惜康有限责任公司 Surgery suturing appliance and nail forming anvil block
CN113662614A (en) * 2021-10-21 2021-11-19 北京迈迪顶峰医疗科技股份有限公司 Transport actuator and transport device

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5318221A (en) * 1989-05-26 1994-06-07 United States Surgical Corporation Apparatus and method for placing staples in laparoscopic or endoscopic procedures
US6817508B1 (en) * 2000-10-13 2004-11-16 Tyco Healthcare Group, Lp Surgical stapling device
US20050139632A1 (en) * 2003-12-30 2005-06-30 Schwemberger Richard F. Closure plate lockout for a curved cutter stapler
CN2832062Y (en) * 2005-05-24 2006-11-01 苏州天臣国际医疗科技有限公司 Single-handle linear binding device for surgery department
CN101856251A (en) * 2010-06-07 2010-10-13 常州威克医疗器械有限公司 Disposable linear anastomat
CN201683943U (en) * 2010-06-07 2010-12-29 常州威克医疗器械有限公司 Disposable linear anastomat
CN102551827A (en) * 2012-02-03 2012-07-11 北京中法派尔特医疗设备有限公司 Stitching instrument with cutter
CN102835984A (en) * 2012-09-18 2012-12-26 常州市康迪医用吻合器有限公司 Cutting anastomat for surgical operation
CN203341779U (en) * 2013-07-17 2013-12-18 苏州澳力欣精密技术有限公司 Linear type cutting anastomat
CN103860230A (en) * 2014-04-04 2014-06-18 苏州天臣国际医疗科技有限公司 Medical stapler
CN204147075U (en) * 2014-10-31 2015-02-11 苏州天臣国际医疗科技有限公司 Medical stapler

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5318221A (en) * 1989-05-26 1994-06-07 United States Surgical Corporation Apparatus and method for placing staples in laparoscopic or endoscopic procedures
US6817508B1 (en) * 2000-10-13 2004-11-16 Tyco Healthcare Group, Lp Surgical stapling device
US20050139632A1 (en) * 2003-12-30 2005-06-30 Schwemberger Richard F. Closure plate lockout for a curved cutter stapler
CN2832062Y (en) * 2005-05-24 2006-11-01 苏州天臣国际医疗科技有限公司 Single-handle linear binding device for surgery department
CN101856251A (en) * 2010-06-07 2010-10-13 常州威克医疗器械有限公司 Disposable linear anastomat
CN201683943U (en) * 2010-06-07 2010-12-29 常州威克医疗器械有限公司 Disposable linear anastomat
CN102551827A (en) * 2012-02-03 2012-07-11 北京中法派尔特医疗设备有限公司 Stitching instrument with cutter
CN102835984A (en) * 2012-09-18 2012-12-26 常州市康迪医用吻合器有限公司 Cutting anastomat for surgical operation
CN203341779U (en) * 2013-07-17 2013-12-18 苏州澳力欣精密技术有限公司 Linear type cutting anastomat
CN103860230A (en) * 2014-04-04 2014-06-18 苏州天臣国际医疗科技有限公司 Medical stapler
CN204147075U (en) * 2014-10-31 2015-02-11 苏州天臣国际医疗科技有限公司 Medical stapler

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105476678A (en) * 2015-12-22 2016-04-13 苏州英途康医疗科技有限公司 Linear cutting anastomat
CN105476678B (en) * 2015-12-22 2018-11-09 苏州英途康医疗科技有限公司 Linear incision stapler
CN110114018A (en) * 2016-12-21 2019-08-09 爱惜康有限责任公司 Surgery suturing appliance and nail forming anvil block
CN110114018B (en) * 2016-12-21 2022-08-09 爱惜康有限责任公司 Surgical stapling instrument and staple forming anvil
CN109984794A (en) * 2017-12-29 2019-07-09 苏州天臣国际医疗科技有限公司 A kind of percussion equipment
CN108992113A (en) * 2018-08-26 2018-12-14 江苏孜航精密五金有限公司 The push jack cutter transmission mechanism of disposable arc line shaped Endo-GIA
CN108992113B (en) * 2018-08-26 2023-06-13 江苏孜航精密五金有限公司 Pushing piece cutting knife transmission mechanism of disposable arc-shaped cutting anastomat
CN113662614A (en) * 2021-10-21 2021-11-19 北京迈迪顶峰医疗科技股份有限公司 Transport actuator and transport device

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