CN101849851A - Cutting stitching instrument - Google Patents
Cutting stitching instrument Download PDFInfo
- Publication number
- CN101849851A CN101849851A CN 201010197135 CN201010197135A CN101849851A CN 101849851 A CN101849851 A CN 101849851A CN 201010197135 CN201010197135 CN 201010197135 CN 201010197135 A CN201010197135 A CN 201010197135A CN 101849851 A CN101849851 A CN 101849851A
- Authority
- CN
- China
- Prior art keywords
- nail
- sheet
- cocking
- percussion sheet
- slide block
- 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.)
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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
Abstract
The invention provides a cutting stitching instrument, which comprises an upper forceps holder, a lower forceps holder, a nail bin, a nail anvil, a nail pushing sheet, a cutter, a cocking sheet and a cutter pushing rod, wherein the cocking sheet and the cutter pushing rod drive the nail pushing sheet and the cutter to move; suturing nails are arranged in the nail bin; the cocking sheet drives the nail pushing sheet to push the suturing nails to the nail anvil; the cutter cuts off tissues between the nail bin and the nail anvil in the moving process; the front end of the cocking sheet is a wedge-shaped sheet which drives the nail pushing sheet to move, and the rear end of the cocking sheet is patched with a slide block; the slide block comprises a through hole; the cocking sheet comprises a waist-shaped groove the major axis of which is vertical to the bottom surface of the cocking sheet; and a pin passes through the through hole and the waist-shaped groove. The invention has the beneficial effect that the cutting stitching instrument is convenient to use, the frictional force between the cocking sheet and the lower forceps holder is greatly lowered, a doctor only needs to apply smaller driving force to operate the cutting stitching instrument, and the cutting stitching instrument can cock more smoothly.
Description
Technical field
The present invention relates to the stapler that a kind of surgical operation is used, belong to technical field of medical instruments.
Background technology
Surgical incision stapler is widely used in being used in the surgical operation wound suture, interior tissue is sewed up and cutting, typical surgical incision stapler such as U.S. Pat 5065929 announcement, have and sew up and two functions of cutting, when carrying out wound suture, excess tissue is excised.As shown in Figure 1, such stapler generally comprises upper and lower clamp 4,5, the closed handle 6 that is used for closed upper and lower clamp, be oppositely arranged on the nail anvil 7 and the nail bin 8 of clamp front end up and down, be located in the nail bin 8 and the pushing slice of nail and the cutting knife that can move relative to described nail bin simultaneously, and drive percussion sheet 2 and the push broach bar that pushing slice of nail and cutting knife move, be disposed with suturing nail in the described nail bin, described pushing slice of nail is pushed suturing nail to nail anvil, and described cutting knife will cut off at the tissue between nail bin and the nail anvil.
In the prior art, the bottom surface of percussion sheet is resisted against down on the inner bottom surface of clamp, can produce slip owing to pulling the trigger sheet with respect to following clamp, promptly both bottom surfaces can rub in the process that the percussion sheet slides in generation, so the doctor needs bigger driving force order about the slip of percussion sheet when operating.In addition, when upper and lower clamp 4,5 was closed, upper and lower clamp 4,5 all can produce certain bending, and the frictional force of pulling the trigger like this between sheet and the following clamp can be bigger.
Summary of the invention
The objective of the invention is to solve above-mentioned technical problem, a kind of less stapler of friction in the process of pulling the trigger is provided.
Purpose of the present invention is achieved through the following technical solutions:
A kind of stapler, comprise, following clamp, be oppositely arranged on, the nail bin of following clamp front end and nail anvil, the pushing slice of nail and the cutting knife that can move relative to described nail bin, and drive percussion sheet and the push broach bar that described pushing slice of nail and cutting knife move, be disposed with suturing nail in the described nail bin, described percussion sheet drives described pushing slice of nail and pushes suturing nail to nail anvil, described cutting knife will cut off at the tissue between nail bin and the nail anvil in the process that it moves, the front end of described percussion sheet is for driving the wedged plate that described pushing slice of nail moves, the rear end of described percussion sheet and a slide block connect, described slide block comprises a through hole, described percussion sheet comprises a waist type groove, and the major diameter of described waist type groove has a pin to pass described through hole and waist type groove perpendicular to the bottom surface of percussion sheet.
Further, the distance of clamp inner bottom surface arrived the distance of clamp inner bottom surface down greater than the bottom surface of described slide block under the bottom surface of described percussion sheet was arrived.
Beneficial effect of the present invention is mainly reflected in: instrumentation is simple, and the frictional force between percussion sheet and the following clamp reduces greatly, only needs small driving force to get final product when the doctor operates, and makes the percussion of this apparatus more smooth and easy.
Description of drawings
Below in conjunction with accompanying drawing technical solution of the present invention is described further:
Fig. 1: the front view of prior art stapler.
Fig. 2: the syndeton sketch map of the slide block of stapler of the present invention and percussion sheet.
Fig. 3: the syndeton cutaway view of the slide block of stapler of the present invention and percussion sheet.
Fig. 4: the front view of clamp down of the present invention.
Wherein:
1 slide block, 11 through holes, 12 bottom surfaces
2 percussion sheets, 21 waist type grooves, 22 bottom surfaces
5 times clamps of clamp on 3 pins 4
51 inner bottom surfaces, 6 closed handle, 7 nail anvils
8 nail bins
The specific embodiment
The present invention has disclosed a kind of surgical incision stapler, and is consistent with prior art as shown in Figure 1, comprises that 4,5 and pivots of upper and lower clamp are arranged on down the closed handle 6 on the clamp 5.The described front end of going up clamp 4 is provided with nail anvil 7, and the front end of following clamp 5 is oppositely arranged nail bin 8.Described closed handle 6 can be moved between open position and make position, and when closed handle 6 was shown in an open position, upper and lower clamp 4,5 was in the position of opening relatively; When closed handle 6 was in the close position, upper and lower clamp 4,5 was in sufficiently closed position.When upper and lower clamp 4,5 adequate closures, owing to only be two junction points contacts, therefore upper and lower clamp 4,5 can produce certain bending.
The same with prior art, described stapler also comprises the pushing slice of nail and the cutting knife that can move relative to described nail bin 8, and drive percussion sheet 2 and the push broach bar that described pushing slice of nail and cutting knife move, be disposed with suturing nail in the described nail bin 8, described percussion sheet 2 drives described pushing slice of nail and pushes suturing nail to nail anvil 7, and described cutting knife will cut off at the tissue between nail bin 8 and the nail anvil 7 in the process that it moves.
Extremely shown in Figure 4 in conjunction with Fig. 2, the front end of described percussion sheet 2 is for driving the wedged plate that described pushing slice of nail moves, and the rear end of described percussion sheet 2 and a slide block 1 connect, and described slide block 1 comprises a through hole 11, described percussion sheet 2 comprises a waist type groove 21, has a pin 3 to pass described through hole 11 and waist type groove 21.Because the major diameter of described waist type groove 21 is perpendicular to the bottom surface 22 of percussion sheet 2, therefore when upper and lower clamp 4,5 closures, pin 3 can move in waist type groove 21, final result is that percussion sheet 2 can have certain string moving with respect to slide block 1, exposure level between the bottom surface 22 that has reduced percussion sheet 2 and the inner bottom surface 51 of play clamp 5, and then reduced and pulled the trigger sheet 2 in the process of slip and the frictional force between the following clamp 5.And since minor axis and the through hole 11 of waist type groove 21 and sell 3 diameter about equally therefore can not have influence on slide block 1 and drive described percussion sheet 2 slips.
Certainly, opposite design: promptly pull the trigger a through hole is set on the sheet 2, and waist type groove is set on slide block 1, belong to equivalent arrangements of the present invention, equally within protection scope of the present invention.
Further, the present invention reduces friction for bigger effect ground, and the distance of the inner bottom surface 51 of clamp 5 arrived the distance of the inner bottom surface 51 of clamp 5 down greater than the bottom surface 12 of described slide block 1 under the bottom surface 22 of described percussion sheet 2 was arrived.Promptly as shown in Figure 3, between the bottom surface 22 of percussion sheet 2 and the bottom surface 12 of slide block 1 individual height difference H is arranged, even like this when the inner bottom surface 51 of the bottom surface 12 of slide block 1 and play clamp 5 produces friction, the bottom surface 22 of described percussion sheet 2 and the inner bottom surface 51 of following clamp 5 be a segment distance in addition also.Like this, just can reduce fricative probability more.
The present invention still has multiple concrete embodiment, and all employings are equal to replacement or equivalent transformation and all technical schemes of forming, all drop within the scope of protection of present invention.
Claims (2)
1. stapler, comprise, following clamp, be oppositely arranged on, the nail bin of following clamp front end and nail anvil, the pushing slice of nail and the cutting knife that can move relative to described nail bin, and drive percussion sheet and the push broach bar that described pushing slice of nail and cutting knife move, be disposed with suturing nail in the described nail bin, described percussion sheet drives described pushing slice of nail and pushes suturing nail to nail anvil, described cutting knife will cut off at the tissue between nail bin and the nail anvil in the process that it moves, it is characterized in that: the front end of described percussion sheet is for driving the wedged plate that described pushing slice of nail moves, the rear end of described percussion sheet and a slide block connect, described slide block comprises a through hole, described percussion sheet comprises a waist type groove, and the major diameter of described waist type groove has a pin to pass described through hole and waist type groove perpendicular to the bottom surface of percussion sheet.
2. stapler according to claim 1 is characterized in that: the distance of clamp inner bottom surface arrived the distance of clamp inner bottom surface down greater than the bottom surface of described slide block under the bottom surface of described percussion sheet was arrived.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201010197135 CN101849851B (en) | 2010-06-10 | 2010-06-10 | Cutting stitching instrument |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201010197135 CN101849851B (en) | 2010-06-10 | 2010-06-10 | Cutting stitching instrument |
Publications (2)
Publication Number | Publication Date |
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CN101849851A true CN101849851A (en) | 2010-10-06 |
CN101849851B CN101849851B (en) | 2012-09-19 |
Family
ID=42801662
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 201010197135 Active CN101849851B (en) | 2010-06-10 | 2010-06-10 | Cutting stitching instrument |
Country Status (1)
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CN (1) | CN101849851B (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102743202A (en) * | 2011-04-20 | 2012-10-24 | 苏州天臣国际医疗科技有限公司 | Linear suturing and cutting device |
WO2012075918A3 (en) * | 2010-12-10 | 2012-12-13 | 苏州天臣国际医疗科技有限公司 | Staple chamber assembly and linear surgical stitching device using said staple chamber assembly |
CN112603408A (en) * | 2020-12-21 | 2021-04-06 | 蚌埠冠鑫达医疗科技有限公司 | Medical wedge-shaped stitching instrument |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5065929A (en) * | 1991-04-01 | 1991-11-19 | Ethicon, Inc. | Surgical stapler with locking means |
US5673841A (en) * | 1994-12-19 | 1997-10-07 | Ethicon Endo-Surgery, Inc. | Surgical instrument |
CN100398071C (en) * | 2003-09-29 | 2008-07-02 | 伊西康内外科公司 | Surgical stapling instrument incorporating a firing mechanism having a linked rack transmission |
CN101675897A (en) * | 2008-09-19 | 2010-03-24 | 伊西康内外科公司 | Surgical stapler having an intermediate closing position |
CN201768000U (en) * | 2010-06-10 | 2011-03-23 | 苏州天臣国际医疗科技有限公司 | Cutting stitching instrument |
-
2010
- 2010-06-10 CN CN 201010197135 patent/CN101849851B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5065929A (en) * | 1991-04-01 | 1991-11-19 | Ethicon, Inc. | Surgical stapler with locking means |
US5673841A (en) * | 1994-12-19 | 1997-10-07 | Ethicon Endo-Surgery, Inc. | Surgical instrument |
CN100398071C (en) * | 2003-09-29 | 2008-07-02 | 伊西康内外科公司 | Surgical stapling instrument incorporating a firing mechanism having a linked rack transmission |
CN101675897A (en) * | 2008-09-19 | 2010-03-24 | 伊西康内外科公司 | Surgical stapler having an intermediate closing position |
CN201768000U (en) * | 2010-06-10 | 2011-03-23 | 苏州天臣国际医疗科技有限公司 | Cutting stitching instrument |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012075918A3 (en) * | 2010-12-10 | 2012-12-13 | 苏州天臣国际医疗科技有限公司 | Staple chamber assembly and linear surgical stitching device using said staple chamber assembly |
US9931120B2 (en) | 2010-12-10 | 2018-04-03 | Touchstone International Medical Science Co., Ltd. | Staple chamber assembly and linear surgical stitching device using said staple chamber assembly |
US10675029B2 (en) | 2010-12-10 | 2020-06-09 | Touchstone International Medical Science Co., Ltd. | Staple chamber assembly and linear surgical stitching device using said staple chamber assembly |
CN102743202A (en) * | 2011-04-20 | 2012-10-24 | 苏州天臣国际医疗科技有限公司 | Linear suturing and cutting device |
CN102743202B (en) * | 2011-04-20 | 2014-10-29 | 苏州天臣国际医疗科技有限公司 | Linear suturing and cutting device |
CN112603408A (en) * | 2020-12-21 | 2021-04-06 | 蚌埠冠鑫达医疗科技有限公司 | Medical wedge-shaped stitching instrument |
CN112603408B (en) * | 2020-12-21 | 2022-06-24 | 南京汉尔斯生物科技有限公司 | Medical wedge-shaped stitching instrument |
Also Published As
Publication number | Publication date |
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CN101849851B (en) | 2012-09-19 |
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