CN219166513U - Nail bin assembly for linear cutting anastomat - Google Patents

Abstract

The utility model belongs to the technical field of anastomat, and particularly relates to a nail bin assembly for a linear cutting anastomat, which comprises an execution head, a nail bin assembly arranged in the execution head and a nail supporting seat hinged on the execution head, wherein the nail supporting seat is arranged above the nail bin assembly, the front end of the nail bin assembly is fixedly provided with a protruding part extending to the outside of the execution head, the inside of the nail bin assembly is provided with a nail pushing groove and anastomotic nails, a plurality of anastomotic nails are staggered in more than two rows in the nail bin assembly, and the nail pushing groove is positioned at the middle line position along the length direction of the nail bin assembly; the adjustable clamping assembly is installed at one end of the nail bin assembly, which is far away from the anastomat, the lower end face of the actuating head is fixedly provided with a clamping seat, and the clamping seat is provided with a movable opening for accommodating the clamping assembly to pass through. The defect of the prior art is overcome, the stable clamping between the nail bin assembly and the execution head is realized through the abutting between the abutting block and the clamping hook piece, and the quick-release type nail bin assembly and the execution head have the function of quick-release.

Description

Nail bin assembly for linear cutting anastomat

Technical Field

The utility model belongs to the technical field of anastomat, and particularly relates to a nail bin assembly for a linear cutting anastomat.

Background

The stapler is a special surgical instrument designed according to the stapler principle and used in surgery instead of traditional manual cutting and stapling. Anastomat is divided into various types according to the use and the use position. There are three general types of digestive tract staplers; the first is a circular stapler, the second is a linear cutting stapler, and the third is a linear stapler.

The linear cutting stapler is simply called a cutting stapler, and is also called an incision stapler. The device comprises a nail bin part and a nail abutting part, which is a device capable of driving 1 group of stitching nails, 4 rows or 6 rows of stitching nails in total, which are staggered mutually, into two sides of a tissue, and simultaneously separating the tissue between stitching nails by a cutting knife, namely a device capable of performing straight anastomosis and cutting simultaneously. The linear cutting anastomat is suitable for digestive tract reconstruction and organ resection operations, such as stomach and jejunum side-to-side anastomosis, colon-to-rectum side-to-side anastomosis, J-shaped manure storage bag manufacture and the like.

In addition, such staplers also include an endoscopic cutting stapler. The instrument is indispensable in endoscopic, especially laparoscopic surgery, is also suitable for gastrointestinal resection, anastomosis and the like, and the suture part of the instrument has a rotation function, so that the anastomat can be called a rotary linear cutting anastomat.

Chinese patent of patent application number CN202120639180.3 discloses including nail storehouse, nail storehouse seat and elastic component, all seted up the draw-in groove on the both sides wall of nail storehouse seat, the front end of draw-in groove has spacing portion, the rear end of draw-in groove upwards has the opening, be provided with on the lateral wall of nail storehouse with draw-in groove complex arch, the elastic component sets up between nail storehouse and nail storehouse seat, when backward and push down the nail storehouse, the elastic component is in compressed state, just protruding and open position are relative, when unclamping the nail storehouse, protruding be located the draw-in groove and relative with the position of spacing portion.

Above-mentioned technical scheme adopts the elastic component to fix the position of nail storehouse, can cause the nail storehouse to appear displacement and unstable condition owing to the support strength problem of elastic component in the operation, influences the security of operation.

Disclosure of Invention

The utility model aims to provide a nail bin assembly for a linear cutting anastomat, which overcomes the defects of the prior art, realizes stable clamping between the nail bin assembly and an execution head through the abutting between an abutting block and a clamping hook piece, and has the function of quick disassembly.

In order to solve the problems, the technical scheme adopted by the utility model is as follows:

the nail bin assembly for the linear cutting anastomat comprises an execution head, a nail bin assembly arranged in the execution head and a nail pushing seat hinged on the execution head, wherein the nail pushing seat is arranged above the nail bin assembly, the front end of the nail bin assembly is fixedly provided with a protruding part extending to the outside of the execution head, the nail bin assembly is internally provided with nail pushing grooves and anastomoses, a plurality of anastomoses are staggered in the nail bin assembly to form more than two rows, and the nail pushing grooves are positioned at the middle line position along the length direction of the nail bin assembly;

the adjustable clamping assembly is installed at one end of the nail bin assembly, which is far away from the anastomat, the lower end face of the actuating head is fixedly provided with a clamping seat, and the clamping seat is provided with a movable opening for accommodating the clamping assembly to pass through.

Further, the clamping assembly comprises two clamping hook pieces and a driving piece, wherein the clamping hook pieces are symmetrically arranged, the driving piece is used for driving the clamping hook pieces, the two clamping hook pieces are respectively located at two sides of the driving piece, two movable openings are formed in the movable openings, and one ends of the clamping hook pieces are clamped at the edge of each movable opening after penetrating through the movable opening.

Further, the nail bin assembly is internally provided with a mounting groove, the clamping hook piece and the driving piece are both arranged in the mounting groove, the movable opening is communicated with the mounting groove, and the movable opening is provided with a space for accommodating the clamping hook piece to pass through and providing the clamping hook piece for movement.

Further, the driving piece is including the quick detach button that runs through the joint seat of activity, the butt piece has been set firmly to the bottom both sides of quick detach button, and the butt piece is kept away from the one end of quick detach button and the bottom butt of pothook spare, the one end that the quick detach button was kept away from to the bottom of pothook spare is connected with the second spring, and the both ends of second spring respectively with pothook spare and mounting groove fixed connection for with pothook spare butt on the butt piece.

Further, the bottom of quick detach button is seted up flutedly, and is connected with first spring in the recess, the bottom and the mounting groove fixed connection of first spring.

Compared with the prior art, the utility model has the following beneficial effects:

according to the nail bin assembly for the linear cutting anastomat, the clamping hook piece is abutted to the abutting block through the second spring, so that the clamping hook piece is clamped at the movable opening, the nail bin assembly and the executing head are quickly connected, and the fixed abutting mode is more stable and safer to connect.

Drawings

FIG. 1 is a schematic view of a cartridge assembly for a linear cutting stapler.

FIG. 2 is a schematic view of a partial structure of a cartridge assembly for a linear cutting stapler.

Fig. 3 is a schematic view of a cartridge assembly for a linear cutting stapler.

In the figure: 1. a execution head; 2. a protruding portion; 3. a staple cartridge assembly; 4. a limiting block; 5. a nail pushing groove; 6. a staple; 7. a nail supporting seat; 8. a clamping seat; 9. a quick release button; 10. a movable opening; 11. a hook member; 12. a mounting groove; 13. an abutment block; 14. a first spring; 15. and a second spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-3, the utility model provides a nail cartridge assembly for a linear cutting anastomat, which comprises an execution head 1, a nail cartridge assembly 3 arranged in the execution head 1 and a nail supporting seat 7 hinged on the execution head 1, wherein the nail supporting seat 7 is arranged above the nail cartridge assembly 3, a protruding part 2 extending to the outside of the execution head 1 is fixedly arranged at the front end of the nail cartridge assembly 3, a nail pushing groove 5 and anastomat 6 are arranged in the nail cartridge assembly 3, a plurality of anastomat 6 are staggered in more than two rows in the nail cartridge assembly 3, and the nail pushing groove 5 is positioned at a middle line position along the length direction of the nail cartridge assembly 3;

an adjustable clamping assembly is arranged at one end of the nail bin assembly 3, which is far away from the anastomat 6, a clamping seat 8 is fixedly arranged on the lower end face of the execution head 1, and a movable opening 10 for accommodating the clamping assembly to pass through is formed in the clamping seat 8.

The clamping assembly comprises two clamping hook pieces 11 which are symmetrically arranged and a driving piece for driving the clamping hook pieces 11, the two clamping hook pieces 11 are respectively positioned on two sides of the driving piece, two movable openings 10 are arranged, and one ends of the clamping hook pieces 11 penetrate through the movable openings 10 and then are clamped at the edge of the movable openings 10.

In order to reduce the volume of the clamping structure, the mounting groove 12 is formed in the nail bin assembly 3, the clamping hook piece 11 and the driving piece are both mounted in the mounting groove 12, the movable opening 10 is communicated with the mounting groove 12, and the movable opening 10 is provided with a space for accommodating the clamping hook piece 11 to pass through and providing the clamping hook piece 11 to move.

The driving piece includes the quick detach button 9 that the activity runs through the joint seat 8, the butt piece 13 has been set firmly to the bottom both sides of quick detach button 9, and the butt piece 13 is kept away from the one end of quick detach button 9 and the bottom butt of pothook piece 11, the one end that quick detach button 9 was kept away from to the bottom of pothook piece 11 is connected with second spring 15, and the both ends of second spring 15 respectively with pothook piece 11 and mounting groove 12 fixed connection for with pothook piece 11 butt on butt piece 13, leave the space that holds butt piece 13 between the bottom of pothook piece 11 and mounting groove 12.

In order to facilitate resetting of the quick release button 9, a groove is formed in the bottom end of the quick release button 9, a first spring 14 is connected in the groove, and the bottom end of the first spring 14 is fixedly connected with the mounting groove 12.

In summary, in the nail cartridge assembly 3 for a linear cutting stapler according to the present utility model, in an initial state, the abutment block 13 abuts against the hook member 11, the position of the hook member 11 is fixed under the elastic action of the second spring 15, and at this time, the hook member 11 is clamped at the edge of the movable opening 10, so that the nail cartridge assembly 3 is stably connected with the execution head 1; when the nail bin assembly 3 needs to be disassembled, only external force is applied to press the quick-disassembly button 9 downwards to drive the abutting block 13 to move downwards until the abutting block 13 is separated from the clamping hook piece 11, at the moment, the clamping hook piece 11 moves towards the direction of the quick-disassembly button 9 under the action of the elastic force of the second spring 15, so that the clamping connection between the clamping hook piece 11 and the movable opening 10 is released, and the clamping hook piece 11 passes through the movable opening 10, so that the disassembly between the nail bin assembly 3 and the execution head 1 can be completed; when the clamping hook pieces 11 are installed, the clamping hook pieces 11 are driven to move towards the direction away from the quick-release button 9 by applying external force through the movable opening 10, when the distance between the clamping hook pieces 11 reaches the position capable of accommodating the abutting blocks 13, the abutting blocks 13 and the quick-release button 9 are driven to move upwards under the elastic action of the first springs 14, and the abutting blocks 13 are abutted between the clamping hook pieces 11, so that the clamping hook pieces 11 are fixed.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (5)

1. The utility model provides a nail storehouse subassembly for linear type cutting anastomat, includes actuating head (1), installs nail storehouse subassembly (3) and articulated support nail seat (7) on actuating head (1) in actuating head (1), and support nail seat (7) and install in the top of nail storehouse subassembly (3), the front end of nail storehouse subassembly (3) has set firmly protrusion (2) that extend to actuating head (1) outside, its characterized in that: a nail pushing groove (5) and anastomat nails (6) are arranged in the nail bin assembly (3), a plurality of anastomat nails (6) are staggered in more than two rows in the nail bin assembly (3), and the nail pushing groove (5) is positioned at the middle line position along the length direction of the nail bin assembly (3);

the adjustable clamping assembly is installed at one end, far away from the anastomat (6), of the nail bin assembly (3), the clamping seat (8) is fixedly arranged on the lower end face of the actuating head (1), and the movable opening (10) for accommodating the passage of the clamping assembly is formed in the clamping seat (8).

2. The staple cartridge assembly for a linear cutting stapler of claim 1, wherein: the clamping assembly comprises two clamping hook pieces (11) which are symmetrically arranged and a driving piece for driving the clamping hook pieces (11), the two clamping hook pieces (11) are respectively located on two sides of the driving piece, two movable openings (10) are formed, and one ends of the clamping hook pieces (11) penetrate through the movable openings (10) and then are clamped at the edges of the movable openings (10).

3. The staple cartridge assembly for a linear cutting stapler of claim 2, wherein: the nail bin assembly is characterized in that a mounting groove (12) is formed in the nail bin assembly (3), the clamping hook piece (11) and the driving piece are both arranged in the mounting groove (12), the movable opening (10) is communicated with the mounting groove (12), and the movable opening (10) is provided with a space for accommodating the clamping hook piece (11) to pass through and providing the clamping hook piece (11) to move.

4. The staple cartridge assembly for a linear cutting stapler of claim 3, wherein: the driving piece is including the quick detach button (9) that the activity runs through clamping seat (8), butt piece (13) have been set firmly to the bottom both sides of quick detach button (9), and the one end that quick detach button (9) was kept away from to butt piece (13) and the bottom butt of pothook piece (11), the one end that quick detach button (9) was kept away from to the bottom of pothook piece (11) is connected with second spring (15), and the both ends of second spring (15) respectively with pothook piece (11) and mounting groove (12) fixed connection for with pothook piece (11) butt on butt piece (13).

5. The staple cartridge assembly for a linear cutting stapler of claim 4, wherein: the bottom of quick detach button (9) is seted up flutedly, and is connected with first spring (14) in the recess, the bottom and the mounting groove (12) fixed connection of first spring (14).

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