CN103181802B - A kind of surgery Linear stapling cutter - Google Patents
A kind of surgery Linear stapling cutter Download PDFInfo
- Publication number
- CN103181802B CN103181802B CN201110454911.8A CN201110454911A CN103181802B CN 103181802 B CN103181802 B CN 103181802B CN 201110454911 A CN201110454911 A CN 201110454911A CN 103181802 B CN103181802 B CN 103181802B
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- CN
- China
- Prior art keywords
- nail
- anvil
- cap
- hollow cylinder
- nail anvil
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- 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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Classifications
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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
Present invention is disclosed a kind of surgery Linear stapling cutter, comprise the nail anvil and nail bin that are oppositely arranged, the front end of described nail anvil is provided with nail-anvil cap, the front end face of described nail anvil is provided with a circular hole, the surface that described nail-anvil cap regards to nail anvil is convexly equipped with a hollow cylinder, the external diameter of described hollow cylinder equals the internal diameter of described circular hole, described nail anvil be provided with one between nail-anvil cap for strengthening the connection assist be connected.Beneficial effect of the present invention is mainly reflected in: make the connection between nail-anvil cap and nail anvil more tight, effectively prevent coming off of nail-anvil cap.
Description
Technical field
The present invention relates to a kind of surgery Linear stapling cutter, belong to technical field of medical instruments.
Background technology
Linear stapling cutter is widely used in sewing up and cutting for wound suture, interior tissue in surgical operation, typical Linear stapling cutter as US Patent No. 5129570 disclose, have and sew up and cutting two functions, while carrying out wound suture, by unnecessary cutting tissue.Such Linear stapling cutter generally comprises upper and lower two clamps, and for closing the closed handle of upper and lower clamp, be oppositely arranged on nail anvil and the nail bin of upper and lower clamp far-end, be located in nail bin and also can move percussion sheet and cutting knife relative to described nail bin simultaneously, and for driving the push button of described percussion sheet and cutting knife movement.Be disposed with suturing nail in described nail bin, described percussion sheet promotes pushing slice of nail in order successively and pushes suturing nail to nail anvil, and the tissue between nail bin and nail anvil cuts off by described cutting knife.
A nail-anvil cap generally can be fixed in the nail anvil front end of existing surgery Linear stapling cutter, nail-anvil cap can be provided with a connecting cylinder relative to one end of nail anvil, as long as connecting cylinder part is clamp-oned in nail anvil preformed hole during installation, because being the process of opposing compression, so have stress concentration effect at the hollow cylinder root of nail-anvil cap and nail anvil cooperation place, hollow cylinder is easily ruptured.After long-distance transport, then also likely because extruding, new product is scrapped simultaneously.
Summary of the invention
The object of this invention is to provide a kind of surgery Linear stapling cutter preventing nail-anvil cap from coming off.
Object of the present invention, will be achieved by the following technical programs:
A kind of surgery Linear stapling cutter, comprise the nail anvil and nail bin that are oppositely arranged, the front end of described nail anvil is provided with nail-anvil cap, the front end face of described nail anvil is provided with a circular hole, the surface that described nail-anvil cap regards to nail anvil is convexly equipped with a hollow cylinder, the external diameter of described hollow cylinder equals the internal diameter of described circular hole, described nail anvil be provided with one between nail-anvil cap for strengthening the connection assist be connected.
Preferably, described connection assist is a latch, and described hollow cylinder is provided with a perforation, and described nail anvil corresponds to described perforation place and is provided with hole slot, and described latch inserts in described hole slot and perforation simultaneously.
Preferably, the hole slot on described nail anvil is the through hole running through described nail anvil, and described latch is through described hole slot.
Preferably, the hole slot on described nail anvil is half through hole extending only through a described nail anvil wherein wall, and described latch through described hole slot, and enters in described perforation.
Preferably, described perforation is for extending only through half through hole of a described hollow cylinder wherein wall.
Preferably, described latch is round pin or square cotter.
Preferably, described hole slot is arranged on surface or the side of described nail anvil.
Or, described connection assist is the tapered pole be arranged in described hollow cylinder, described tapered pole taper end is inserted in described hollow cylinder, and described tapered pole butt end exposes to the port of described hollow cylinder, and the hollow cylinder connection after described insertion tapered pole is arranged in described circular hole.
Or, described connection assist is the arc line shaped hollow protrusions of projection at the front end face of described nail anvil, and the arc line shaped groove on the corresponding recessed surface regarding to described arc line shaped hollow protrusions at described nail-anvil cap, described arc line shaped hollow protrusions can be inserted in described arc line shaped groove; Described arc line shaped hollow protrusions has an opening, and the cutting knife groove on described opening and nail anvil is through.
Or, described connection assist is be arranged on described nail-anvil cap to regard to a buckle on the surface of nail anvil, described buckle comprises the buckle barb that buckle arm and that an extension stretches out is located at buckle arm end, and the front end correspondence of described nail anvil is provided with the button bit for accommodating described buckle barb.
Beneficial effect of the present invention is mainly reflected in: make the connection between nail-anvil cap and nail anvil more tight, effectively prevent coming off of nail-anvil cap.
Accompanying drawing explanation
Fig. 1 is the sectional view of the nail anvil part of the first embodiment of the present invention.
Fig. 2 is the sectional view of A-A part in Fig. 1.
Fig. 3 is the sectional view of the nail anvil of the second embodiment of the present invention.
Fig. 4 is the top view of the nail anvil of the second embodiment of the present invention.
Fig. 5 is the top view of the nail anvil part of the third embodiment of the present invention.
Fig. 6 is the sectional view of A-A in Fig. 5.
Fig. 7 is the schematic perspective view of the nail anvil of the fourth embodiment of the present invention.
Fig. 8 is the sectional view of the nail anvil part of the fourth embodiment of the present invention.
Fig. 9 is the exploded perspective view of the nail-anvil assembly part of the fifth embodiment of the present invention.
Detailed description of the invention
[the first embodiment]
As shown in Figure 1, the invention provides a kind of surgery Linear stapling cutter.Consistent with prior art, described Linear stapling cutter comprises the upper clamp 9 and lower clamp that can mutually close or open, and pivot is located on lower clamp and for the closed handle of closed upper and lower clamp, the far-end of upper clamp 9 is provided with nail anvil 1, and the far-end of lower clamp is provided with nail bin.
As depicted in figs. 1 and 2, the front end of described nail anvil 1 is provided with nail-anvil cap 3, the front end face of described nail anvil 1 is provided with a circular hole 4, the surface regarding to nail anvil 1 of described nail-anvil cap 3 is convexly equipped with a hollow cylinder 5, the external diameter of described hollow cylinder 5 equals the internal diameter of described circular hole, and described hollow cylinder 5 inserts in described circular hole 4.
Described hollow cylinder 5 is provided with a perforation 6, and the both sides of described nail anvil 1 correspond to described perforation 6 place and are provided with hole slot 7, and namely described hole slot 7 is for running through the through hole of described nail anvil 1.Described perforation 6 and described hole slot 7 are circle, described Linear stapling cutter also comprises a latch 8, described latch 8 is one cylindrically to have strong market potential, described latch 8 penetrates from the side hole slot 7 of nail anvil 1, penetrate the hollow cylinder 5 of nail-anvil cap 3, then pass from the opposite side hole slot 7 of nail anvil 1, described latch 8 is connected to form interference fit with nail-anvil cap 3, make the connection of nail anvil 1 and nail-anvil cap 3 more closely, avoid coming off of nail-anvil cap 3.
[the second embodiment]
The present embodiment is roughly the same with described first embodiment, as shown in Figure 3 and Figure 4, the front end of described nail anvil 1 is provided with nail-anvil cap 3, the front end face of described nail anvil 1 is provided with a circular hole 4, the surface regarding to nail anvil 1 of described nail-anvil cap 3 is convexly equipped with a hollow cylinder 5, the external diameter of described hollow cylinder 5 equals the internal diameter of described circular hole, and described hollow cylinder 5 inserts in described circular hole 4.
Described hollow cylinder 5 is provided with a perforation 6, and described perforation 6 is for extending only through half through hole of a described hollow cylinder 5 wherein wall.Hole slot 7 on described nail anvil is for extending only through half through hole of a described nail anvil 1 wherein wall, and described latch 8 through described hole slot 7, and enters in described perforation 6, and namely described square short pin 13 is through the side of nail anvil 1.
[the 3rd embodiment]
As shown in Figure 5 and Figure 6, the front end of described nail anvil 1 is provided with nail-anvil cap 3, the front end face of described nail anvil 1 is provided with a circular hole 4, and the surface regarding to nail anvil 1 of described nail-anvil cap 3 is convexly equipped with a hollow cylinder 5, and the external diameter of described hollow cylinder 5 equals the internal diameter of described circular hole 4.
Increase for making intensity in nail-anvil cap 3, avoid hollow cylinder 5 to rupture, a tapered pole 10 is provided with in described hollow cylinder 5, described tapered pole taper end 11 is inserted in described hollow cylinder 5, described tapered pole butt end 12 exposes to the port one 3 of described open tubular column 5, the hollow cylinder 5 inserted after tapered pole 10 is put in the circular hole 4 of described nail anvil 1 again, utilizes the wedge shape gradient of tapered pole to produce friction bond stress to impel hollow cylinder 5 to expand; After tapered pole 10 inserts nail-anvil cap simultaneously, gain in strength in inside, makes the connection between nail-anvil cap 3 and nail anvil 1 tightr.
[the 4th embodiment]
As shown in Figure 7 and Figure 8, the front end of described nail anvil 1 is provided with nail-anvil cap 3, the front end face of described nail anvil 1 is provided with a circular hole 4, the end face that described nail-anvil cap 3 is relative with nail anvil 1 is provided with a connection hollow cylinder 5, described hollow cylinder 5 inserts in described circular hole 4, and nail anvil 1 is connected with nail-anvil cap 3.
The front end face of described nail anvil 1 is convexly equipped with an arc line shaped hollow protrusions 15, on the surface regarding to described arc line shaped hollow protrusions 15 of described nail-anvil cap 3, correspondence is arranged with an arc line shaped groove 16, the external diameter of described arc line shaped hollow protrusions 15 equals the external diameter of described arc line shaped groove 16, and described arc line shaped hollow protrusions 15 can be inserted in described arc line shaped groove 16.Arc line shaped hollow protrusions 15 on described nail anvil 1 is inserted in the arc line shaped groove 16 on described nail-anvil cap 3, forms interlocking structure, makes the connection of nail anvil 1 and nail-anvil cap 3 more closely, firmly.The opening 17 of described arc line shaped hollow protrusions 15 is consistent with cutting knife groove 14, thus can not have an impact to the propelling path of blade during operation.
[the 5th embodiment]
As shown in Figure 9, the front end of described nail anvil 1 is provided with nail-anvil cap 3, and the front end face of described nail anvil 1 is provided with a circular hole 4, and the surface regarding to nail anvil 1 of described nail-anvil cap 3 is convexly equipped with a hollow cylinder 5, and the external diameter of described hollow cylinder 5 equals the internal diameter of described circular hole 4.Described hollow cylinder 5 can insert in described circular hole 4 with the joint pin of nail anvil 1 as described nail-anvil cap 3.
In order to prevent nail-anvil cap from coming off, the surface that described nail-anvil cap 3 regards to nail anvil 1 is fixed with a buckle 2, and described buckle 2 comprises the buckle barb 22 that buckle arm that an extension stretches out 21 and is located at buckle arm end.Described buckle arm 21 stretches to described nail anvil 1, and the front end correspondence of described nail anvil 1 is provided with the button bit 18 for accommodating described buckle barb 7, and described buckle barb 22 can be buckled in described button bit 18, strengthens the connection of nail anvil 1 and nail-anvil cap 3 further.
Certainly, had the existence of buckle 2, the external diameter of described hollow cylinder 5 also can be slightly smaller than the internal diameter of described circular hole 4.The situation that the hollow cylinder 5 that so just can prevent nail-anvil cap from coordinating with nail anvil has stress to concentrate and ruptures produces.
The present invention still has numerous embodiments, and such as described latch can be round pin or square cotter, and described hole slot 7 can be arranged on surface or the side of described nail anvil.All employing equivalents or equivalent transformation and all technical schemes formed, all drop within protection scope of the present invention.
Claims (1)
1. a surgery Linear stapling cutter, comprise the nail anvil (1) and nail bin that are oppositely arranged, the front end of described nail anvil (1) is provided with nail-anvil cap (3), the front end face of described nail anvil (1) is provided with a circular hole (4), the surface that described nail-anvil cap (3) regards to nail anvil (1) is convexly equipped with a hollow cylinder (5), the external diameter of described hollow cylinder (5) equals the internal diameter of described circular hole (4), it is characterized in that: be provided with one between described nail anvil (1) with nail-anvil cap (3) for strengthening the connection assist be connected; Described connection assist regards to a buckle (2) on the surface of nail anvil (1) for being arranged on described nail-anvil cap (3), described buckle (2) comprises the buckle barb (22) that buckle arm (21) and that an extension stretches out is located at buckle arm (21) end, and the front end correspondence of described nail anvil (1) is provided with the button bit (18) for accommodating described buckle barb (22).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110454911.8A CN103181802B (en) | 2011-12-30 | 2011-12-30 | A kind of surgery Linear stapling cutter |
| CN201510030937.8A CN104605907B (en) | 2011-12-30 | 2011-12-30 | A kind of surgery Linear stapling cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110454911.8A CN103181802B (en) | 2011-12-30 | 2011-12-30 | A kind of surgery Linear stapling cutter |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510030937.8A Division CN104605907B (en) | 2011-12-30 | 2011-12-30 | A kind of surgery Linear stapling cutter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103181802A CN103181802A (en) | 2013-07-03 |
| CN103181802B true CN103181802B (en) | 2015-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110454911.8A Active CN103181802B (en) | 2011-12-30 | 2011-12-30 | A kind of surgery Linear stapling cutter |
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| CN (1) | CN103181802B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5065929A (en) * | 1991-04-01 | 1991-11-19 | Ethicon, Inc. | Surgical stapler with locking means |
| US5129570A (en) * | 1990-11-30 | 1992-07-14 | Ethicon, Inc. | Surgical stapler |
| CN2820095Y (en) * | 2005-08-04 | 2006-09-27 | 苏州天臣国际医疗科技有限公司 | Nail anvil cap |
| CN1868410A (en) * | 2005-05-24 | 2006-11-29 | 苏州天臣国际医疗科技有限公司 | Nail anvil component |
| CN202409019U (en) * | 2011-12-07 | 2012-09-05 | 苏州天臣国际医疗科技有限公司 | Linear suturing and cutting device |
| CN202489990U (en) * | 2011-12-30 | 2012-10-17 | 苏州天臣国际医疗科技有限公司 | Linear sewing and cutting device for surgery |
| CN103142268A (en) * | 2011-12-07 | 2013-06-12 | 苏州天臣国际医疗科技有限公司 | Linear type suturing and cutting machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8348129B2 (en) * | 2009-10-09 | 2013-01-08 | Ethicon Endo-Surgery, Inc. | Surgical stapler having a closure mechanism |
-
2011
- 2011-12-30 CN CN201110454911.8A patent/CN103181802B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5129570A (en) * | 1990-11-30 | 1992-07-14 | Ethicon, Inc. | Surgical stapler |
| US5065929A (en) * | 1991-04-01 | 1991-11-19 | Ethicon, Inc. | Surgical stapler with locking means |
| EP0507029A2 (en) * | 1991-04-01 | 1992-10-07 | Ethicon, Inc. | Surgical stapler with locking means |
| CN1868410A (en) * | 2005-05-24 | 2006-11-29 | 苏州天臣国际医疗科技有限公司 | Nail anvil component |
| CN2820095Y (en) * | 2005-08-04 | 2006-09-27 | 苏州天臣国际医疗科技有限公司 | Nail anvil cap |
| CN202409019U (en) * | 2011-12-07 | 2012-09-05 | 苏州天臣国际医疗科技有限公司 | Linear suturing and cutting device |
| CN103142268A (en) * | 2011-12-07 | 2013-06-12 | 苏州天臣国际医疗科技有限公司 | Linear type suturing and cutting machine |
| CN202489990U (en) * | 2011-12-30 | 2012-10-17 | 苏州天臣国际医疗科技有限公司 | Linear sewing and cutting device for surgery |
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| Publication number | Publication date |
|---|---|
| CN103181802A (en) | 2013-07-03 |
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Address after: 215021 No. 278 Dongping Street, Suzhou Industrial Park, Jiangsu Province Patentee after: Tianchen International Medical Technology Co., Ltd Address before: 215021, 1355 international science and Technology Park, Jinji Lake Avenue, Suzhou Industrial Park, Jiangsu, 3 21A Patentee before: TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE Co.,Ltd. |
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