CN103876800A - Arc-shaped cutting stapler stapling clip - Google Patents
Arc-shaped cutting stapler stapling clip Download PDFInfo
- Publication number
- CN103876800A CN103876800A CN201410068127.7A CN201410068127A CN103876800A CN 103876800 A CN103876800 A CN 103876800A CN 201410068127 A CN201410068127 A CN 201410068127A CN 103876800 A CN103876800 A CN 103876800A
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- China
- Prior art keywords
- push rod
- anvil
- housing
- arc
- staple
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical 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
- A61B17/07207—Surgical 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical 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
- A61B2017/07214—Stapler heads
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical 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
- A61B2017/07214—Stapler heads
- A61B2017/07221—Stapler heads curved
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The invention relates to an arc-shaped cutting stapler stapling clip which comprises a staple anvil, a staple bin, a first shell, a second shell and a push rod. The staple anvil is disposed below. The tail end of the staple anvil is connected with the first shell. The staple bin is disposed above. A rotary shaft cavity is arranged above the staple bin. A retaining block, a leaf spring and a crossbeam are disposed at the rear end of the rotary shaft cavity. The retaining block is clamped into the clamp groove of the first shell. A rotary shaft, a push head, a blade and a fixing jaw are sequentially disposed at the front end of the push rod from top to bottom. The staple anvil is arc-shaped. The staple bin and the push rod are consistent with the stable anvil in shape. The front end of the staple anvil is tapered, the top end of the staple anvil is an arc-shaped blunt end, and the edges on two sides of the staple anvil are streamlined. The stapling clip has the advantages that the stapling clip is unlimited by angles and can easily penetrate narrow tissue and blood vessel gaps, operation safety is increased evidently, and operation time is shortened.
Description
[technical field]
The present invention relates to technical field of medical instruments, specifically, is a kind of closed clamp of cutting closer of arc.
[background technology]
Straight cuts closer is a kind of conventional operating theater instruments, it comprises closed clamp and closed handle, the two connects by connecting rod, push rod in closed handle can be handled the push rod in closed clamp, and then promotes nail pushing device and blade, implants two arrange the staple intermeshing to percussion in tissue or blood vessel, tissue or blood vessel are carried out to 2-3 row intersection nail seam, sew up tightly, prevent seepage, and from the middle incised tissue of both sides staple.
The structure of closed clamp (as the closed clamp of ENDO REACH company) generally comprises the nail bin that is positioned at the nail anvil of top and is positioned at below, nail bin inside is provided with nail pushing device, outside is provided with the first shell with draw-in groove, nail anvil rear end is provided with block, just in time be stuck in the draw-in groove of the first shell and make nail anvil to do resultant motion with respect to nail bin, on nail anvil, nail bin and the first shell, be all provided with longitudinal tool slot.In the cavity pocket of outer cover of nail bin and nail anvil rear end, be provided with push rod, similar U-shaped in push rod, open rearward end, front end blocks the rear end floor beam of nail anvil, and push rod front end is provided with roller bearing, can seesaw along the cavity of nail anvil dorsal part, and while travelling forward nail anvil with respect to nail bin closure, push rod front end is also provided with blade, can move along tool slot, the push rod at blade rear is takeed on the nail pushing device that can promote in nail bin and is forwards moved, further make U-shaped nail stretch out nail bin, under the compressing of nail anvil, sealing is " B " shape, stretch out outside the tool slot of nail bin and the first shell push rod front end below, and locked by limited block, and then ensure the stability of blade cuts, nail anvil and nail bin rear end are provided with second housing, rear end tight closure with the first shell.
But the structure of above-mentioned closed clamp still has following defect: 1) closed clamp entirety is linear, and in the time entering deep compartment closure, cutting, angle is easily subject to more restriction, causes operating difficulties, even cannot complete hands art; 2) nail bin is arranged at below and fixes with rear end, in the time of the interstice by smaller especially vascular space, resistance is large, be not easy to pass through, by force by producing tissue and vascular tear, if using the nail bin of top instead comes through interstice, because nail bin is movable, unstable while passing, operating difficulties; 3) front end of nail bin and nail anvil is all more blunt, and that also gives interstice passes through to have increased resistance.Above-mentioned defect all will extend operating time, improve operation technique difficulty, further increase operation risk.
In sum, need a kind of better clinical demand that adapts to badly, facilitate operation technique, simplify operation method, shorten operating time, improve the closed clamp of operation safety with the cutting closer of minimizing postoperative complication and mortality rate.
[summary of the invention]
The object of the invention is, for deficiency of the prior art, provides a kind of closed clamp of cutting closer of arc.
For achieving the above object, the technical scheme that the present invention takes is:
A closed clamp for the cutting closer of arc, described closed clamp is provided with nail anvil, nail bin, the first housing, the second housing and push rod, and described nail anvil is located at below, and tail end is connected with the first housing; Described nail bin is located at top, and the top of nail bin is provided with roller bearing chamber, and the rear end in described roller bearing chamber is provided with block, spring leaf and crossbeam, and described block is stuck in the draw-in groove of the first housing; Described push rod front end is provided with successively roller bearing from top to bottom, cuts somebody's hair, blade and fixed claw; Described push rod hangs on the crossbeam in roller bearing chamber; The second described housing and the first housing tabling are placed in push rod in the cavity of the two.
Described nail anvil is curved, radian 13-17 degree, and chord length 5-8cm, described nail bin is consistent with nail anvil shape with push rod.
Described nail anvil is curved, and radian 15 is spent.
The front end of described nail anvil is tapered, and top is that circular arc is blunt nosed, and both sides of the edge are streamlined.
Described nail anvil and the first housing are formed in one.
Described closed clamp is provided with the lock dog matching with the fixed claw of described push rod.
The invention has the advantages that:
1, nail anvil, nail bin are arc line shaped, radian 13-17 degree, and in the time entering deep compartment closure, cutting, angle is no longer limited;
2, nail bin designs up, nail anvil design below and and the first housing be fixed as one, in operation technique, can use the less nail anvil in below through interstice, more convenient operation, and the easy application of force of patient, reduced the probability of happening of tissue and vascular tear;
3, to become top be the blunt nosed tapered of circular arc to the Front-end Design of nail anvil, can be used as guiding structural, is easier to nail anvil through interstice.
[brief description of the drawings]
Fig. 1 is the closed clamp external structure schematic diagram of the cutting closer of arc of the present invention.
Fig. 2 is the closed clamp internal structure schematic diagram of the cutting closer of arc of the present invention.
[detailed description of the invention]
Below in conjunction with accompanying drawing, detailed description of the invention provided by the invention is elaborated.
The Reference numeral and the ingredient that in accompanying drawing, relate to are as follows:
1. nail anvil, 2. nail bin, 3. the first housing, 4. the second housing, 5. tool slot, 6. roller bearing chamber, 7. block, 8. draw-in groove, 9. push rod, 10. edge, 11. top covers, 12. base plates, 13. spring leafs, 14. crossbeams, 15. nail pushing devices, 16. roller bearings, 17. cut somebody's hair, 18. blades, 19. fixed claws, 20. lock dogs, 21. first nail bins, 22. second nail bins
embodiment 1
Please refer to Fig. 1, Fig. 1 is the closed clamp external structure schematic diagram of the cutting closer of arc of the present invention.Described closed clamp is provided with nail anvil 1, nail bin 2, the first housing 3 and the second housing 4.Described nail anvil 1 entirety is curved, radian 13-17 degree, chord length 5-8cm; Described nail anvil 1 central authorities are provided with longitudinal tool slot 5, and the front end of nail anvil 1 is tapered, and top is that circular arc is blunt nosed, and its both sides of the edge are streamlined backward, are naturally connected with nail anvil 1 both sides of the edge of its back segment; The rear end of described nail anvil 1 and the first housing 3 are fixing.Described nail bin 2 is located at top, and global shape is consistent with the shape of described nail anvil 1; The top of nail bin 2 is provided with roller bearing chamber 6; The rear end of nail bin 2 is provided with block 7, and described block 7 is stuck in the draw-in groove 8 of the first housing 3 front ends.The top of the first described housing 3 is provided with the second housing 4, and the two is upper and lower chimeric and fixing.In cavity between described the first housing 3 and the second housing 4, be provided with push rod 9, the front end of described push rod 9 hangs in the crossbeam (not shown) of nail bin 2 rear ends.
Please refer to Fig. 2, Fig. 2 is the closed clamp internal structure schematic diagram of the cutting closer of arc of the present invention.Described roller bearing chamber 6 comprises card 10, top cover 11 and two base plates 12, described card 10 is located at 6 both sides of the edge, roller bearing chamber, extend downwards, described top cover 11 is located at roller bearing chamber 6 end faces, two described base plates 12 are located at 6 bottom surfaces, roller bearing chamber, and leave groove in the middle of two base plates 12, it is tool slot 5, the tail end both sides of two described base plates 12 are equipped with a block 7 extending laterally, and the rear end that the tail end of two base plates 12 is respectively provided with 13, two spring leafs 13 of a spring leaf is provided with crossbeam 14.Described nail bin 2 comprises the first nail bin 21 and the second nail bin 22, between the first described nail bin 21 and the second nail bin 22, is tool slot 5, and the front end of the two is integrated, and is provided with nail pushing device 15 in nail bin 2.Described push rod 9 entirety are the radian consistent with described nail anvil 1 and nail bin 2, the open rearward end of push rod 9, the top of front end is provided with horizontal roller bearing 16, and the back lower place of described roller bearing 16 is for cutting somebody's hair 17, and described 17 belows of cutting somebody's hair are followed successively by blade 18 and fixed claw 19.
The assemble method of closer of the present invention is: described nail bin 2 is entrenched in the edge 10 in described roller bearing chamber 6 and fixes; Described push rod 9 is hung over by open rearward end on the crossbeam 14 of 6 rear ends, described roller bearing chamber, then consistent with the trend in described roller bearing chamber 6, and described roller bearing 16 can be slided interior front and back in roller bearing chamber 6; The block 7 of two described base plate 12 tail ends is stuck in two draw-in grooves 8 of described the first housing 3, described push rod 9 cut somebody's hair 17, blade 18 and fixed claw 19 parts all pass and are piercing in described nail anvil 1 bottom surface in tool slot 5, then locked by lock dog 20; The second described housing 4 is just in time with described first housing 3 is chimeric is fixed as one.
It should be noted that, nail anvil 1, nail bin 2 are designed to arc line shaped by the present invention, correspondingly described push rod 9 is also designed to the arc line shaped that shape is consistent, and be radian 13-17 degree by concrete nail anvil 1 specifications design, chord length 5-8cm, so in the time entering deep compartment closure, cutting, angle is no longer limited, this radian is preferably 15 degree, and this specification is for inventor draws according to clinical experience for many years, and the routine that should not be considered as those skilled in the art is selected; Described nail bin 2 designs up, nail anvil 1 design below and and the first housing 3 be fixed as one, because the volume of nail anvil 1 is far smaller than nail bin 2, in operation technique, can utilize below less nail anvil 1 through interstice, more convenient operation, and the easy application of force of patient, has reduced the probability of happening of tissue and vascular tear, has improved operation safety; It is the blunt nosed tapered of circular arc that the Front-end Design of described nail anvil 1 becomes top, can be used as guiding structural, is easier to nail anvil 1 by tissue or vascular space.
The using method of closed clamp of the present invention is: the first housing 3 of closed clamp of the present invention is connected with second tail end of housing 4 and the connecting rod of general closed handle, the push rod 9 that just can promote in closed clamp of the present invention by manipulation closed handle travels forward, described roller bearing 16 travels forward in roller bearing chamber 6, compressing roller bearing chamber 6 and nail bin 2 downwards with described nail anvil 1 closure, in closed process, the described 17 promotion nail pushing devices 15 of cutting somebody's hair travel forward, closure nail is squeezed out to nail bin 2, become " B " type with the stressed rear shape of nail anvil 1 Surface Contact, sealing tissue or blood vessel, 18 described of cutter heads cut off tissue or blood vessel from centre, realize the function of closed and cutting.
Be more convenient for patient operation of closed clamp of the present invention, very easily through narrow tissue and vascular space, tissue or vascular tear event no longer occur, and have significantly improved operation safety, have shortened operating time, have reduced complication rate and mortality rate.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the inventive method; can also make some improvement and supplement, these improvement and the supplementary protection scope of the present invention that also should be considered as.
Claims (6)
1. a closed clamp for the cutting closer of arc, described closed clamp is provided with nail anvil, nail bin, the first housing, the second housing and push rod, it is characterized in that, and described nail anvil is located at below, and tail end is connected with the first housing; Described nail bin is located at top, and the top of nail bin is provided with roller bearing chamber, and the rear end in described roller bearing chamber is provided with block, spring leaf and crossbeam, and described block is stuck in the draw-in groove of the first housing; Described push rod front end is provided with successively roller bearing from top to bottom, cuts somebody's hair, blade and fixed claw; Described push rod hangs on the crossbeam in roller bearing chamber; The second described housing and the first housing tabling are placed in push rod in the cavity of the two.
2. the closed clamp of the cutting closer of arc according to claim 1, is characterized in that, described nail anvil is curved, radian 13-17 degree, and chord length 5-8cm, described nail bin is consistent with nail anvil shape with push rod.
3. the closed clamp of the cutting closer of arc according to claim 2, is characterized in that, described nail anvil is curved, and radian 15 is spent.
4. the closed clamp of the cutting closer of arc according to claim 1 and 2, is characterized in that, the front end of described nail anvil is tapered, and top is that circular arc is blunt nosed, and both sides of the edge are streamlined.
5. the closed clamp of the cutting closer of arc according to claim 1 and 2, is characterized in that, described nail anvil and the first housing are formed in one.
6. the closed clamp of the cutting closer of arc according to claim 1 and 2, is characterized in that, described closed clamp is provided with the lock dog matching with the fixed claw of described push rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410068127.7A CN103876800B (en) | 2014-02-27 | 2014-02-27 | A kind of Guan Bi folder of the cutting closer of arc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410068127.7A CN103876800B (en) | 2014-02-27 | 2014-02-27 | A kind of Guan Bi folder of the cutting closer of arc |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103876800A true CN103876800A (en) | 2014-06-25 |
| CN103876800B CN103876800B (en) | 2016-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410068127.7A Expired - Fee Related CN103876800B (en) | 2014-02-27 | 2014-02-27 | A kind of Guan Bi folder of the cutting closer of arc |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103876800B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110114016A (en) * | 2016-12-21 | 2019-08-09 | 爱惜康有限责任公司 | Anvil block with cutter slit width |
| CN112294384A (en) * | 2020-10-30 | 2021-02-02 | 苏州贝诺医疗器械有限公司 | Improved driving assembly of anastomat, end effector and intracavity anastomat |
| CN113749713A (en) * | 2021-10-19 | 2021-12-07 | 四川大学华西第二医院 | Step-by-step arc nail bin |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5653373A (en) * | 1990-09-17 | 1997-08-05 | United States Surgical Corporation | Arcuate apparatus for applying two-part surgical fasteners |
| EP1943962A2 (en) * | 2007-01-11 | 2008-07-16 | Ethicon Endo-Surgery, Inc. | Improved curved end effector for a surgical stapling device |
| CN203841746U (en) * | 2014-02-27 | 2014-09-24 | 上海交通大学医学院附属新华医院 | Arc-shaped occlusion clamp applicable to cutting occlusion device |
-
2014
- 2014-02-27 CN CN201410068127.7A patent/CN103876800B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5653373A (en) * | 1990-09-17 | 1997-08-05 | United States Surgical Corporation | Arcuate apparatus for applying two-part surgical fasteners |
| EP1943962A2 (en) * | 2007-01-11 | 2008-07-16 | Ethicon Endo-Surgery, Inc. | Improved curved end effector for a surgical stapling device |
| CN101224122A (en) * | 2007-01-11 | 2008-07-23 | 伊西康内外科公司 | Apparatus for closing a curved anvil of a surgical stapling device |
| CN101224125A (en) * | 2007-01-11 | 2008-07-23 | 伊西康内外科公司 | Surgical stapling device with a curved end effector |
| CN203841746U (en) * | 2014-02-27 | 2014-09-24 | 上海交通大学医学院附属新华医院 | Arc-shaped occlusion clamp applicable to cutting occlusion device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110114016A (en) * | 2016-12-21 | 2019-08-09 | 爱惜康有限责任公司 | Anvil block with cutter slit width |
| CN110114016B (en) * | 2016-12-21 | 2022-08-09 | 爱惜康有限责任公司 | Anvil with knife slot width |
| CN112294384A (en) * | 2020-10-30 | 2021-02-02 | 苏州贝诺医疗器械有限公司 | Improved driving assembly of anastomat, end effector and intracavity anastomat |
| CN113749713A (en) * | 2021-10-19 | 2021-12-07 | 四川大学华西第二医院 | Step-by-step arc nail bin |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103876800B (en) | 2016-06-22 |
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Granted publication date: 20160622 Termination date: 20170227 |