CN104605907B - A kind of surgery Linear stapling cutter - Google Patents
A kind of surgery Linear stapling cutter Download PDFInfo
- Publication number
- CN104605907B CN104605907B CN201510030937.8A CN201510030937A CN104605907B CN 104605907 B CN104605907 B CN 104605907B CN 201510030937 A CN201510030937 A CN 201510030937A CN 104605907 B CN104605907 B CN 104605907B
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- China
- Prior art keywords
- nail
- anvil
- hollow cylinder
- cap
- circular hole
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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
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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)
- Surgical Instruments (AREA)
Abstract
The present invention relates to a kind of surgery Linear stapling cutter, including the nail anvil being oppositely arranged and nail bin, 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, described nail-anvil cap faces the surface of nail anvil and is convexly equipped with a hollow cylinder, the external diameter of described hollow cylinder, equal to the internal diameter of described circular hole, is provided with one for the connection assist adding strong ties between described nail anvil and nail-anvil cap.The beneficial effects are mainly as follows: make the connection between nail-anvil cap and nail anvil more tight, be effectively prevented coming off of nail-anvil cap.
Description
The application is Application No. 201110454911.8, filing date 2011.12.30, invention entitled
The divisional application of the application for a patent for invention of " a kind of surgery Linear stapling cutter ".
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 surgical operation sewing up for wound suture, interior tissue and cutting
Cutting, typical Linear stapling cutter, as disclosed in United States Patent (USP) US5129570, has stitching and cutting two
Function, while carrying out wound suture, by unnecessary cutting tissue.Such Linear stapling cutter typically wraps
Include upper and lower two clamps, and be used for closing the closed handle of upper and lower clamp, be oppositely arranged on,
The nail anvil of lower clamp far-end and nail bin, be located in nail bin and can simultaneously relative to described nail bin move percussion sheet and
Cutting knife, and for the push button driving described percussion sheet and cutting knife to move.It is disposed with in described nail bin
Suturing nail, described percussion sheet promotes pushing slice of nail the most in order and suturing nail is pushed to nail anvil, described cutting knife
Will be located in the tissue between nail bin and nail anvil to cut off.
A nail-anvil cap, nail-anvil cap phase typically can be fixed in the nail anvil front end of existing surgery Linear stapling cutter
One end for nail anvil can be provided with a connecting cylinder, as long as it is pre-during installation, connecting cylinder part to be clamp-oned nail anvil
In boxing out, because being the process of opposing compression, so coordinate the hollow cylinder root at place with nail anvil at nail-anvil cap
There is stress concentration effect, make hollow cylinder be easily broken off.Then it is being also possible to after long-distance transport simultaneously
Because extruding makes new product scrap.
Summary of the invention
It is an object of the invention to provide a kind of surgery Linear stapling cutter preventing nail-anvil cap from coming off.
The purpose of the present invention, will be achieved by the following technical programs:
A kind of surgery Linear stapling cutter, including the nail anvil being oppositely arranged and nail bin, the front end of described nail anvil
Being provided with nail-anvil cap, the front end face of described nail anvil is provided with a circular hole, and described nail-anvil cap faces the table of nail anvil
Face is convexly equipped with a hollow cylinder, and the external diameter of described hollow cylinder is equal to the internal diameter of described circular hole, described nail anvil
And it is provided with one between nail-anvil cap for the connection assist adding strong ties；Described connection assist is for arranging
A tapered pole in described hollow cylinder, described tapered pole taper end is inserted in described hollow cylinder, described
Tapered pole butt end exposes to the port of described hollow cylinder, and the hollow cylinder after described insertion tapered pole connects
It is arranged in described circular hole.
The beneficial effects are mainly as follows: make the connection between nail-anvil cap and nail anvil more tight,
It is effectively prevented coming off of nail-anvil cap.
Accompanying drawing explanation
Fig. 1 is the sectional view of the anvil portion 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 anvil portion 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 anvil portion 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
[first embodiment]
As it is shown in figure 1, the invention provides a kind of surgery Linear stapling cutter.It is consistent with prior art,
Described Linear stapling cutter includes the upper clamp 9 that can be mutually closed or open and lower clamp, and pivot is located at lower pincers
On folder and for closing the closed handle of upper and lower clamp, the far-end of upper clamp 9 is provided with nail anvil 1, lower pincers
The far-end of folder 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, before described nail anvil 1
End face is provided with a circular hole 4, and the surface facing nail anvil 1 of described nail-anvil cap 3 is convexly equipped with an open circles
Post 5, the external diameter of described hollow cylinder 5 is equal to the internal diameter of described circular hole, and described hollow cylinder 5 inserts institute
State in 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 is provided with hole slot 7, and the most described hole slot 7 is the through hole running through described nail anvil 1.Described perforation 6 He
Described hole slot 7 is circle, and described Linear stapling cutter also includes a latch 8, and described latch 8 is one
Cylinder is had strong market potential, and described latch 8 penetrates from the side hole slot 7 of nail anvil 1, penetrates the hollow of nail-anvil cap 3
Cylinder 5, then passes from the opposite side hole slot 7 of nail anvil 1, described latch 8 and the connection of nail-anvil cap 3
Form interference fit so that the connection of nail anvil 1 and nail-anvil cap 3 is more tight, avoid the de-of nail-anvil cap 3
Fall.
[the second embodiment]
The present embodiment is roughly the same with described first embodiment, as shown in Figure 3 and Figure 4, and described nail anvil 1
Front end be provided with nail-anvil cap 3, the front end face of described nail anvil 1 is provided with a circular hole 4, described nail-anvil cap 3
The surface facing nail anvil 1 be convexly equipped with a hollow cylinder 5, the external diameter of described hollow cylinder 5 be equal to institute
Stating the internal diameter of circular hole, 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 described hollow cylinder 5
The wherein half-via of a wall.Hole slot 7 on described nail anvil is for extending only through the half of a described nail anvil 1 wherein wall
Through hole, described latch 8 is through described hole slot 7, and enters in described perforation 6, the most described latch 8
Side through 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, before described nail anvil 1
End face is provided with a circular hole 4, and the surface facing nail anvil 1 of described nail-anvil cap 3 is convexly equipped with an open circles
Post 5, the external diameter of described hollow cylinder 5 is equal to the internal diameter of described circular hole 4.
Increase for intensity in making nail-anvil cap 3, avoid hollow cylinder 5 to rupture, set in described hollow cylinder 5
Being equipped with a tapered pole 10, described tapered pole taper end 11 is inserted in described hollow cylinder 5, described tapered pole
Butt end 12 exposes to the port 13 of described open tubular column 5, inserts the hollow cylinder 5 after tapered pole 10 again
Put in the circular hole 4 of described nail anvil 1, utilize the wedge shape gradient of tapered pole to promote hollow cylinder 5 to expand
Produce friction bond stress；Internal increase intensity after tapered pole 10 inserts nail-anvil cap simultaneously so that nail-anvil cap
Connection between 3 and nail anvil 1 is 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, before described nail anvil 1
End face is provided with a circular hole 4, and the end face that described nail-anvil cap 3 is relative with nail anvil 1 is provided with a connection and uses
Hollow cylinder 5, described hollow cylinder 5 inserts in described circular hole 4 so that nail anvil 1 and nail-anvil cap 3 phase
Connect.
The front end face of described nail anvil 1 is convexly equipped with an arc line shaped hollow protrusions 15, the face of described nail-anvil cap 3
One arc line shaped groove 16, described arc are arranged with for correspondence on the surface of described arc line shaped hollow protrusions 15
The external diameter of linear hollow protrusions 15, equal to the external diameter of described arc line shaped groove 16, makes described arc line shaped hollow
Projection 15 can be inserted in described arc line shaped groove 16.Arc line shaped hollow protrusions 15 on described nail anvil 1
Insert in the arc line shaped groove 16 on described nail-anvil cap 3, form interlocking structure so that nail anvil 1 and nail
The connection of anvil cap 3 is more closely, firmly.Opening 17 and the cutting knife groove of described arc line shaped hollow protrusions 15
14 is consistent, produces impact from without the propelling path of blade during opponent's art.
[the 5th embodiment]
As it is shown in figure 9, the front end of described nail anvil 1 is provided with nail-anvil cap 3, on the front end face of described nail anvil 1
Being provided with a circular hole 4, the surface facing 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 is equal to the internal diameter of described circular hole 4.Described hollow cylinder 5 can be as institute
The connection post stating nail-anvil cap 3 and nail anvil 1 inserts in described circular hole 4.
In order to prevent nail-anvil cap from coming off, the surface that described nail-anvil cap 3 faces nail anvil 1 is fixed with a card
Button 2, described buckle 2 includes that buckle arm that an extension stretches out 21 and is located at the buckle of buckle arm end
Barb 22.Described buckle arm 21 stretches to described nail anvil 1, the front end of described nail anvil 1 be correspondingly provided with for
Housing the button bit 18 of described buckle barb 7, described buckle barb 22 can be buckled in described button bit 18,
Strengthen nail anvil 1 and the connection of nail-anvil cap 3 further.
Certainly, the existence of buckle 2, the external diameter of described hollow cylinder 5 has been had can also to be slightly smaller than described circle
The internal diameter in hole 4.So preventing from the hollow cylinder 5 that nail-anvil cap coordinates with nail anvil has stress to concentrate and break
Situation about splitting produces.
The present invention still has numerous embodiments, and the most described latch can be round pin or square cotter, described hole slot
7 surface that can be arranged on described nail anvil or sides.All employing equivalents or equivalent transformation and formed
All technical schemes, within all falling within protection scope of the present invention.
Claims (1)
1. a surgery Linear stapling cutter, including the nail anvil (1) being oppositely arranged and nail bin, described nail
The front end of 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),
Described nail-anvil cap (3) faces the surface of nail anvil (1) and is convexly equipped with a hollow cylinder (5), described hollow
The external diameter of cylinder (5) is equal to the internal diameter of described circular hole (4), it is characterised in that: described nail anvil (1) with
One it is provided with for the connection assist adding strong ties between nail-anvil cap (3)；
Described connection assist is the tapered pole (10) being arranged in described hollow cylinder (5), described
Tapered pole taper end (11) is inserted in described hollow cylinder (5), and described tapered pole butt end (12) exposes to
The port (13) of described hollow cylinder (5), hollow cylinder (5) connection after described insertion tapered pole sets
Put in described circular hole (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510030937.8A CN104605907B (en) | 2011-12-30 | 2011-12-30 | A kind of surgery Linear stapling cutter |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510030937.8A CN104605907B (en) | 2011-12-30 | 2011-12-30 | A kind of surgery Linear stapling cutter |
| CN201110454911.8A CN103181802B (en) | 2011-12-30 | 2011-12-30 | A kind of surgery Linear stapling cutter |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110454911.8A Division CN103181802B (en) | 2011-12-30 | 2011-12-30 | A kind of surgery Linear stapling cutter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104605907A CN104605907A (en) | 2015-05-13 |
| CN104605907B true CN104605907B (en) | 2016-10-12 |
Family
ID=53140757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510030937.8A Active CN104605907B (en) | 2011-12-30 | 2011-12-30 | A kind of surgery Linear stapling cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104605907B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2772446Y (en) * | 2005-01-26 | 2006-04-19 | 苏州天臣国际医疗科技有限公司 | Rotary knife chopping assembly of surgical binder |
| CN200984208Y (en) * | 2006-11-24 | 2007-12-05 | 苏州天臣国际医疗科技有限公司 | Binding mechanism of the anus piles binding instrument |
| EP2133029A1 (en) * | 2008-06-06 | 2009-12-16 | Tyco Healthcare Group LP | Knife lockout mechanisms for surgical instrument |
-
2011
- 2011-12-30 CN CN201510030937.8A patent/CN104605907B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2772446Y (en) * | 2005-01-26 | 2006-04-19 | 苏州天臣国际医疗科技有限公司 | Rotary knife chopping assembly of surgical binder |
| CN200984208Y (en) * | 2006-11-24 | 2007-12-05 | 苏州天臣国际医疗科技有限公司 | Binding mechanism of the anus piles binding instrument |
| EP2133029A1 (en) * | 2008-06-06 | 2009-12-16 | Tyco Healthcare Group LP | Knife lockout mechanisms for surgical instrument |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104605907A (en) | 2015-05-13 |
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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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| CP03 | Change of name, title or address |