CN112438763A - Nail bin assembly with nail pushing plate provided with cutting knife - Google Patents
Nail bin assembly with nail pushing plate provided with cutting knife Download PDFInfo
- Publication number
- CN112438763A CN112438763A CN202011262130.4A CN202011262130A CN112438763A CN 112438763 A CN112438763 A CN 112438763A CN 202011262130 A CN202011262130 A CN 202011262130A CN 112438763 A CN112438763 A CN 112438763A
- Authority
- CN
- China
- Prior art keywords
- nail
- pushing plate
- cutting
- cutter
- cutting knife
- 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.)
- Pending
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Classifications
-
- 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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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3209—Incision instruments
-
- 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
- A61B2017/07271—Stapler heads characterised by its cartridge
-
- 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
- A61B2017/07285—Stapler heads characterised by its cutter
Abstract
The invention relates to the technical field of medical instruments, in particular to a nail bin assembly with a nail pushing plate provided with a cutting knife. According to the invention, the cutting knife is directly arranged on the nail pushing plate with the knife, and the suturing action and the cutting action of the anastomat are completed on one device, so that the cutting knife can be used only once, and the safety of cutting and suturing tissues can be effectively ensured.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a nail bin assembly with a nail pushing plate provided with a cutting knife.
Background
Staplers are devices used in medicine to replace manual suturing, the main working principle being the detachment or anastomosis of tissue by titanium staples, similar to staplers. According to different application ranges, the surgical stapler can be mainly divided into a skin stapler, a digestive tract (esophagus, stomach and intestine and the like) circular stapler, a rectal stapler, a blood vessel stapler, a hernia stapler, a lung cutting stapler and the like.
Known surgical staplers include an end effector that simultaneously makes a longitudinal incision in tissue and applies lines of staples on opposite sides of the incision. The action is sewed up with the cutting action to present anastomat and is accomplished on the device of two kinds of differences, the anastomat cuts cutting knife meeting used repeatedly many times when organizing, the phenomenon that has the adhesion when the cutting knife can appear cutting the tissue not sharp, influence the security greatly, the body of a gun of current cutting knife and anastomat is as an organic whole simultaneously, accomplish the cutting and sew up at the completion tissue, can take the cutting knife to return together when the executor returns, so can have the cutting knife to touch the titanium nail of sewing up at the in-process that returns, destroy the risk of the tissue of sewing up, it still has the percussion in-process to appear simultaneously and operates unsynchronously, operate difficult and repetitious usage cutting knife scheduling problem not sharp, the condition very easily simultaneously.
Disclosure of Invention
The invention aims to provide a nail bin assembly of a nail pushing plate with a cutting knife, which can effectively ensure the safety of cutting and suturing tissues by putting the suturing action and the cutting action of a stapler on one device to finish.
In order to solve the technical problems, the technical scheme adopted by the invention for solving the technical problems is as follows:
the nail bin assembly of the nail pushing plate with the cutting knife comprises a flexible push plate, a nail pushing plate with a knife and a nail bin, wherein the flexible push plate is connected with the nail pushing plate with the knife, the cutting knife is arranged on the nail pushing plate with the knife, the nail pushing plate with the knife is arranged on the nail bin in a penetrating mode, and the nail pushing plate with the knife is pushed by the flexible push plate to horizontally advance in the nail bin to complete sewing and cutting of tissues.
Furthermore, the flexible push plate comprises a push plate body, an upper limiting column and a lower limiting column, wherein the upper limiting column and the lower limiting column are respectively arranged on the upper side and the lower side of the push plate body, a cutting knife clamping groove matched with the cutting knife is formed in the push plate body, the cutting knife is inserted in the cutting knife clamping groove, the push plate body is provided with an advancing clamping groove, and the advancing clamping groove is abutted to the nail pushing plate with the cutting knife.
Furthermore, the nail pushing plate with the cutter comprises two groups of pushing pieces and a guide protruding part, the cutter is arranged on the guide protruding part, the two groups of pushing pieces are symmetrically arranged on two sides of the guide protruding part, nail pushing plate limiting grooves are formed in two sides of the guide protruding part, and the nail pushing plate limiting grooves are located on one side of the cutter.
Furthermore, each group of the propelling check sheet set comprises two propelling check sheets, and the propelling check sheets are provided with propelling check sheet wedges.
Further, the cutting knife comprises a blade and a knife handle, the blade is arranged on the knife handle, the knife handle is embedded in the guide protruding portion, and the edge of the blade does not exceed the edge of the guide protruding portion.
Furthermore, the knife handle is of an L-shaped structure, a plurality of round holes are formed in the knife handle, and the diameter of each round hole is 0.4-0.6 mm.
Furthermore, be provided with the sword blade that is used for cutting the tissue position on the blade, the sword blade is the arc structure, the horizontal slot has been seted up at the blade top, the blade pass through the horizontal slot with flexible push pedal is connected.
Furthermore, the cutting knife and the nail pushing plate with the cutting knife are of an integrally formed structure.
Further, the cutting knife is made of stainless steel materials.
Further, the guide projection is made of plastic or metal material.
The invention has the beneficial effects that:
according to the invention, the cutting knife is directly arranged on the nail pushing plate with the knife, and the suturing action and the cutting action of the anastomat are completed on one device, so that the cutting knife can be used only once, and the safety of cutting and suturing tissues can be effectively ensured.
Drawings
FIG. 1 is a schematic structural view of a nail bin assembly of the nail pushing plate with a cutter of the invention.
Fig. 2 is a front view of a schematic of the structure of the present invention.
FIG. 3 is a structure of the ejector pin plate and the connecting piece flexible push plate of the invention.
FIG. 4 is a structure of the ejector pin plate and the connecting member flexible push plate of the present invention.
FIG. 5 is a view showing the structure of the ejector plate with a cutter according to the present invention.
FIG. 6 is a view showing the position and structure of a cutting blade mounted on the ejector plate according to the present invention.
Fig. 7 is a block diagram of the cutting burr of the present invention.
The reference numbers in the figures illustrate: 1. a flexible push plate; 11. an upper limiting column; 13. a lower restraint post; 12. a cutter clamping groove; 14. pushing the clamping groove; 2. a nail pushing plate with a cutter; 21. a blade; 22. a nail pushing plate limiting groove; 23. propelling the check sheet; 24. pushing the wedge; 25. a guide projection; 26. a blade top; 211. a horizontal groove; 212. a knife edge; 213. a circular hole;
Detailed Description
The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.
Referring to fig. 1-7, the nail bin assembly with the cutting knife for the nail pushing plate comprises a flexible push plate, a nail pushing plate with a knife and a nail bin, wherein the flexible push plate is connected with the nail pushing plate with the knife, the cutting knife is arranged on the nail pushing plate with the knife, the nail pushing plate with the knife is arranged on the nail bin in a penetrating mode, and the nail pushing plate with the knife is pushed by the flexible push plate to horizontally advance in the nail bin to complete tissue sewing and cutting.
In the working process of the anastomat, the flexible push plate pushes the nail pushing plate with the knife to horizontally advance in the nail bin, and the process can finish the actions of suturing and cutting tissues
According to the invention, the cutting knife is directly arranged on the nail pushing plate with the knife, and the suturing action and the cutting action of the anastomat are completed on one device, so that the cutting knife can be used only once, and the safety of cutting and suturing tissues can be effectively ensured.
The flexible push plate comprises a push plate body, an upper limiting column and a lower limiting column, wherein the upper limiting column and the lower limiting column are respectively arranged on the upper side and the lower side of the push plate body, a cutting knife clamping groove matched with the cutting knife is formed in the push plate body, the cutting knife is inserted in the cutting knife clamping groove, the push plate body is provided with an advancing clamping groove, and the advancing clamping groove is abutted to the nail pushing plate with the cutting knife.
The flexible push plate is provided with the fixed clamping groove of the cutting knife, so that the firmness of the cutting knife in the process of cutting tissues can be increased, and the cutting effect cannot be influenced due to the fact that the too large resistance of the cutting knife is inclined.
The upper limiting column is used for tensioning the nail abutting seat to enable the nail abutting seat and the nail bin to be capable of pressing tissues, and the lower limiting column is used for keeping a certain gap between the nail bin and the nail abutting seat to facilitate the cutting knife to cut the tissues; the cutter clamping groove has the function that the blade can be clamped into the clamping groove in the striking process, and the left-right shaking of the blade in the propelling process can be limited; the function of the pushing clamping groove is to apply pushing force to the nail pushing plate and ensure that the nail pushing plate does not move up and down.
The nail pushing plate with the cutter comprises two groups of pushing lug groups and a guide protruding part, the cutter is arranged on the guide protruding part, the two groups of pushing lug groups are symmetrically arranged on two sides of the guide protruding part, nail pushing plate limiting grooves are formed in two sides of the guide protruding part, and the nail pushing plate limiting grooves are located on one side of the cutter.
Each group of the propelling check sheet group comprises two propelling check sheets, and the propelling check sheets are provided with propelling check sheet wedges.
The four pushing pieces of the nail pushing plate are arranged at the front end of the nail pushing plate, so that the nail pushing plate can be sewn and cut firstly in the triggering process, but the distance between the cutting knife and the highest point of the four pushing pieces of the nail pushing plate is about 1.5 titanium nail width and 4.4 mm.
The cutting knife comprises a blade and a knife handle, the blade is arranged on the knife handle, the knife handle is embedded in the guide protruding part, and the edge of the blade does not exceed the edge of the guide protruding part.
The knife handle is of an L-shaped structure, a plurality of round holes are formed in the knife handle, and the diameter of each round hole is 0.4-0.6 mm.
Specifically, 3 round holes are formed in the positions, embedded in the nail pushing plate, of the blades, so that the embedding firmness of the blades and the nail pushing plate with the cutter can be enhanced, and the diameters of the 3 holes are the same and are between 0.4 and 0.6 mm.
The knife blade is provided with a knife edge used for cutting a tissue part, the knife edge is of an arc-shaped structure, a horizontal groove is formed in the top of the knife blade, and the knife blade is connected with the flexible push plate through the horizontal groove. Specifically, the portion of the blade not having the cutting edge (i.e., the shank) is disposed entirely within the guide projection, and the edge of the stainless steel blade does not extend beyond the edge of the bladed ejector plate.
The horizontal groove of blade and cutting knife draw-in groove looks accordant connection, in the draw-in groove that hits the in-process blade that hits the power and can block the flexible push pedal, have the restriction blade and rock about advancing the in-process, improve the effect of organizing the cutting.
The cutting knife and the nail pushing plate with the cutting knife are of an integrally formed structure.
The cutting knife and the wedge piece (the nail pushing plate) are integrated, the suturing action and the cutting action of the anastomat are finished on one device, and the cutting knife is only used once; the cutter clamping groove has the function that the blade can be clamped into the clamping groove in the striking process, and the left-right shaking of the blade in the propelling process can be limited; the function of the pushing clamping groove is to apply pushing force to the nail pushing plate and ensure that the nail pushing plate does not move up and down.
The cutting knife is made of stainless steel materials, and the embedded cutting knife is a stainless steel part, so that the strength can be effectively improved, and the processing is convenient; the usable material for the blade is 45 steel, and the guide projection is made of plastic or metal material.
Specifically, the cutting knife of one scheme of the invention uses a metal piece, and then the insert injection molding is adopted to inlay the upper cutting knife on the nail pushing plate with the knife, and the processing can be conveniently carried out by adopting the processing;
in the invention, after the cutting knife and the nail pushing plate with the cutting knife are integrally formed by adopting a powder metallurgy method, the cutting edge of the cutting knife is finally processed;
according to the other scheme, the cutting knife is directly spot-welded on the nail pushing plate, the cutting knife and the nail pushing plate both use metal pieces, and then the processed cutting knife is spot-welded on the nail pushing plate, so that the connection strength between the cutting knife and the nail pushing plate with the knife is good by the processing method;
the above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.
Claims (10)
1. The nail bin assembly with the cutter for the nail pushing plate is characterized by comprising a flexible push plate, a nail pushing plate with a cutter and a nail bin, wherein the flexible push plate is connected with the nail pushing plate with the cutter, the nail pushing plate with the cutter is provided with the cutter, the nail pushing plate with the cutter is arranged on the nail bin in a penetrating mode, and the nail pushing plate with the cutter is pushed by the flexible push plate to horizontally advance in the nail bin to complete suturing and cutting of tissues.
2. The nail bin assembly with the cutter for the nail pushing plate of claim 1, wherein the flexible push plate comprises a push plate body, an upper limiting column and a lower limiting column, the upper limiting column and the lower limiting column are respectively arranged on the upper side and the lower side of the push plate body, a cutter clamping groove matched with the cutter is formed in the push plate body, the cutter is inserted into the cutter clamping groove, a pushing clamping groove is formed in the push plate body, and the pushing clamping groove is abutted against the nail pushing plate with the cutter.
3. The nail magazine assembly with a nail pushing plate provided with a cutting knife according to claim 1, wherein the nail pushing plate with the cutting knife comprises two groups of pushing convex pieces and a guiding convex part, the cutting knife is arranged on the guiding convex part, the two groups of pushing convex pieces are symmetrically arranged on two sides of the guiding convex part, nail pushing plate limiting grooves are formed on two sides of the guiding convex part, and the nail pushing plate limiting grooves are positioned on one side of the cutting knife.
4. The staple cartridge assembly of claim 3, wherein each set of pushing tab sets comprises two pushing tabs, and the pushing tabs are provided with pushing tab wedges.
5. The staple cartridge assembly of claim 3, wherein the cutting knife comprises a blade and a handle, the blade is disposed on the handle, the handle is embedded in the guide projection, and the edge of the blade does not extend beyond the edge of the guide projection.
6. The nail bin assembly with the nail pushing plate provided with the cutting knife according to claim 5, wherein the knife handle is of an L-shaped structure, a plurality of round holes are formed in the knife handle, and the diameter of each round hole is 0.4-0.6 mm.
7. The nail magazine assembly with a nail pushing plate provided with a cutting knife according to claim 5, wherein the cutting blade is provided with a cutting edge for cutting a tissue part, the cutting edge is of an arc-shaped structure, the top of the cutting blade is provided with a horizontal groove, and the cutting blade is connected with the flexible push plate through the horizontal groove.
8. The staple cartridge assembly of claim 1, wherein said cutting blade is integrally formed with said bladed staple pusher plate.
9. A staple cartridge assembly having a staple pusher plate with a cutting knife as in claim 1, wherein said cutting knife is made of stainless steel.
10. The staple cartridge assembly of claim 3, wherein said guide projections are made of plastic or metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011262130.4A CN112438763A (en) | 2020-11-12 | 2020-11-12 | Nail bin assembly with nail pushing plate provided with cutting knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011262130.4A CN112438763A (en) | 2020-11-12 | 2020-11-12 | Nail bin assembly with nail pushing plate provided with cutting knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112438763A true CN112438763A (en) | 2021-03-05 |
Family
ID=74736951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011262130.4A Pending CN112438763A (en) | 2020-11-12 | 2020-11-12 | Nail bin assembly with nail pushing plate provided with cutting knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112438763A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113476089A (en) * | 2021-08-20 | 2021-10-08 | 重庆德川医疗器械有限公司 | Cutting closing device of endoscope anastomat assembly |
-
2020
- 2020-11-12 CN CN202011262130.4A patent/CN112438763A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113476089A (en) * | 2021-08-20 | 2021-10-08 | 重庆德川医疗器械有限公司 | Cutting closing device of endoscope anastomat assembly |
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