CN215306282U - Linear type cutting anastomat safety mechanism - Google Patents

Abstract

The utility model discloses a linear cutting anastomat safety mechanism, which belongs to the technical field of anastomats and comprises an installation main body, wherein one side of the lower end of the installation main body is provided with a firing handle, the other side of the lower end of the installation main body is provided with a fixed handle, a safety switch is arranged between the fixed handle and the installation main body, a retraction structure is arranged between the safety switch and the fixed handle, and a fixed hook is arranged at the lower side of the firing handle close to one end of the fixed handle. Achieving the function of locking the firing handle.

Description

Linear type cutting anastomat safety mechanism

Technical Field

The utility model belongs to the technical field of anastomats, and particularly relates to a safety mechanism of a linear cutting anastomat.

Background

The anastomat is the first stapler in the world and is used for gastrointestinal anastomosis for nearly a century, and the tube-type anastomat is not widely used for gastrointestinal surgery until 1978. Generally, the anastomat is divided into a disposable anastomat or a multi-use anastomat, an imported anastomat or a domestic anastomat. The anastomat is equipment used for replacing the traditional manual suturing in medicine, and due to the development of modern science and technology and the improvement of manufacturing technology, the anastomat used clinically has reliable quality, convenient use, tightness and proper tightness, particularly has the advantages of quick suturing, simple and convenient operation, few side effects, few operation complications and the like, and can also be used for excising the focus of a tumor operation which cannot be excised in the past.

Chinese patent application No. CN212755763U discloses a linear cutting stapler safety mechanism, which has lower safety performance, and cannot perform self-locking function on a firing handle, and the firing handle may be pressed for the second time during use to damage a patient, and meanwhile, the original device is not fixed firmly enough when the safety switch is not used, and the safety switch is easy to fall off to influence the normal use of the stapler.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the background technology, the utility model provides a safety mechanism of a linear type cutting anastomat, which has the characteristics of self-locking function on a firing handle and high safety.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a linear type cutting anastomat safety mechanism, includes the installation main part, lower extreme one side of installation main part is provided with the percussion handle, installation main part lower extreme opposite side is provided with fixed handle, be provided with the safety switch between fixed handle and the installation main part, be provided with between safety switch and the fixed handle and receive and release the structure, the percussion handle is close to fixed handle one end downside and is provided with the fixed hook, the position that fixed handle and fixed hook correspond is provided with the through-hole, the inside one side lower extreme of keeping away from the fixed hook of fixed handle is rotated through the pivot and is connected and be provided with the activity hook, the activity hook lower extreme is provided with the slide, the activity hook is provided with the spout with the position that the slide corresponds, the other end of slide is provided with the slide bar, the inside position that corresponds with the activity hook of fixed handle is provided with spacing seat.

Preferably, a spring is arranged on the surface of the sliding rod between the fixed handle and the sliding seat through a buckle connection.

Preferably, a fixed base is arranged at a position, corresponding to the safety switch, inside the fixed handle, a magnetic block is arranged inside the fixed base, the front end of the fixed base is rotatably connected with a rotating plate through a bearing, and a baffle is arranged at a position, corresponding to the rotating plate, of the fixed base.

Preferably, a torsion spring is arranged between one side of the rotating plate, which is close to the magnetic block, and the fixed seat in a clamping connection mode.

Preferably, the fixed hook and the movable hook are both of stainless steel structures and are welded and fixed with the firing handle through spot welding.

Preferably, one end of the magnetic block, which is close to the rotating plate, is provided with a rubber pad in a bonding connection mode through glue.

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

1. according to the utility model, by arranging the fixed hook and the movable hook, when the trigger handle triggers, the trigger handle drives the fixed hook to enter the fixed handle through the through hole on the fixed handle, the fixed hook pushes the movable hook to rotate, the sliding seat at the lower end of the movable hook slides in the sliding groove, the sliding seat drives the sliding rod to slide, meanwhile, the spring is stretched, after the spring reaches a proper position, the spring contracts to drive the movable hook to reset, so that the movable hook and the fixed hook are locked, and the function of locking the trigger handle is achieved.

2. According to the utility model, the fixing seat is arranged, when the safety switch is not used, the safety switch enters the fixing seat by rotating the retractable structure, the safety switch pushes the rotating plate to enter the fixing seat to be adsorbed and fixed with the magnetic block, meanwhile, the rotating plate is reset by the torsion spring, and the baffle plate plays a limiting and fixing role on the rotating plate, so that the effect of fixing the safety switch is achieved, the safety switch is not easy to loosen and fall off, and the safety of the device is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;

FIG. 3 is a perspective view of the present invention hook;

FIG. 4 is a side view of the mounting base of the present invention;

FIG. 5 is a top view of the fixing base of the present invention;

FIG. 6 is a perspective view of the fixing base of the present invention;

in the figure: 1. mounting the main body; 2. a firing handle; 3. a safety switch; 4. a fixed hook; 5. a limiting seat; 6. a movable hook; 7. a retractable structure; 8. fixing a handle; 9. a slide base; 10. a chute; 11. a through hole; 12. a slide bar; 13. a spring; 14. a baffle plate; 15. rotating the plate; 16. a fixed seat; 17. a magnetic block; 18. a torsion spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides the following technical solutions: the utility model provides a linear type cutting anastomat safety mechanism, including installation subject 1, lower extreme one side of installation subject 1 is provided with trigger handle 2, 1 lower extreme opposite side of installation subject is provided with fixed handle 8, be provided with safety switch 3 between fixed handle 8 and the installation subject 1, be provided with receive and release structure 7 between safety switch 3 and the fixed handle 8, trigger handle 2 is close to 8 one end downside of fixed handle and is provided with fixed hook 4, the position that fixed handle 8 and fixed hook 4 correspond is provided with through-hole 11, the inside one side lower extreme of keeping away from fixed hook 4 of fixed handle is provided with movable hook 6 through the pivot rotation connection, movable hook 6 lower extreme is provided with slide 9, the position that movable hook 6 and slide 9 correspond is provided with spout 10, the other end of slide 9 is provided with slide bar 12, the inside position that corresponds with movable hook 6 of fixed handle 8 is provided with spacing seat 5.

In particular, the surface of the sliding rod 12 between the fixed handle 8 and the slide 9 is provided with a spring 13 by means of a snap connection.

Through adopting above-mentioned technical scheme, but make activity hook 6 automatic re-setting through setting up spring 13, improve the fixed firmness of activity hook 6 to fixed hook 4.

Specifically, a fixing seat 16 is arranged at a position, corresponding to the safety switch 3, inside the fixing handle 8, a magnetic block 17 is arranged inside the fixing seat 16, the front end of the fixing seat 16 is rotatably connected with a rotating plate 15 through a bearing, and a baffle 14 is arranged at a position, corresponding to the fixing seat 16 and the rotating plate 15.

By adopting the technical scheme, when the safety switch 3 is not used, the retractable structure 7 is rotated to enable the safety switch 3 to enter the fixed seat 16, and the safety switch 3 pushes the rotating plate 15 to enter the fixed seat 16 to be adsorbed and fixed with the magnetic block 17.

Specifically, a torsion spring 18 is arranged between one side of the rotating plate 15 close to the magnetic block 17 and the fixed seat 16 through clamping connection.

By adopting the technical scheme, the torsion spring 18 is arranged to enable the rotating plate 15 to automatically reset, and the locking effect on the safety switch 3 is achieved.

Specifically, the fixed hook 4 and the movable hook 6 are both of stainless steel structures, and the fixed hook 4 and the trigger handle 2 are welded and fixed through spot welding.

Through adopting above-mentioned technical scheme, stainless steel construction is more firm, improves device life.

Specifically, one end of the magnetic block 17, which is close to the rotating plate 15, is provided with a rubber pad in a bonding connection through glue.

Through adopting above-mentioned technical scheme, play the cushioning effect through setting up the rubber pad, reduce the impact of safety switch 3 and magnetic path 17.

The structure and the working principle of the installation main body 1, the trigger handle 2, the safety switch 3, the retraction structure 7 and the fixed handle 8 are disclosed in a linear type cutting anastomat safety mechanism disclosed in Chinese patent application No. CN 212755763U.

The working principle and the using process of the utility model are as follows: when the device is used, the device is installed at a proper position, when the trigger handle triggers 2, the trigger handle 2 drives the fixed hook 4 to enter the fixed handle 8 through the through hole 11 on the fixed handle 8, the fixed hook 4 pushes the movable hook 6 to rotate, the sliding seat 9 at the lower end of the movable hook 6 slides in the sliding groove 10, the sliding seat 9 drives the sliding rod 12 to slide, meanwhile, the spring 13 is stretched, after the proper position is reached, the spring 13 contracts to drive the movable hook 6 to reset, the movable hook 6 and the fixed hook 4 are locked, the locking function of the trigger handle 2 is achieved, when the device needs to be used again, the movable hook 6 rotates only by pressing the sliding rod 12, the movable hook 6 loses the fixing function of the fixed hook 4, the trigger handle 2 resets, the user is prevented from accidentally pressing the trigger handle 2 again to hurt a patient by arranging the fixed hook 4 and the movable hook 6, and the practicability of the device is improved;

through setting up fixing base 16, when safety switch 3 does not use, rotate and receive and release structure 7 and make safety switch 3 get into fixing base 16 in, safety switch 3 pushes away commentaries on classics board 15 and gets into in fixing base 16 and adsorb fixedly with magnetic path 17, and torsional spring 18 makes commentaries on classics board 15 reset simultaneously, and baffle 14 plays spacing fixed action to commentaries on classics board 15 to reach and carry out the effect fixed to safety switch 3, the difficult emergence of safety switch 3 is become flexible and drops, improves the device security.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a linear type cutting anastomat safety mechanism, includes installation main part (1), its characterized in that: the lower end of the installation body (1) is provided with a trigger handle (2), the other side of the lower end of the installation body (1) is provided with a fixed handle (8), an safety switch (3) is arranged between the fixed handle (8) and the installation body (1), a retractable structure (7) is arranged between the safety switch (3) and the fixed handle (8), a fixed hook (4) is arranged at the lower side of one end, close to the fixed handle (8), of the trigger handle (2), a through hole (11) is formed in the position, corresponding to the fixed hook (4), of the fixed handle (8), a movable hook (6) is rotatably connected to the lower end of one side, far away from the fixed hook (4), of the inside of the fixed handle (8) through a shaft pin, a sliding seat (9) is arranged at the lower end of the movable hook (6), and a sliding groove (10) is formed in the position, corresponding to the sliding seat (9), of the movable hook (6), the other end of the sliding seat (9) is provided with a sliding rod (12), and a limiting seat (5) is arranged at the position, corresponding to the movable hook (6), inside the fixed handle (8).

2. The linear cutting stapler safety mechanism of claim 1, wherein: and a spring (13) is arranged on the surface of the sliding rod (12) between the fixed handle (8) and the sliding seat (9) through buckling connection.

3. The linear cutting stapler safety mechanism of claim 1, wherein: the safety switch is characterized in that a fixing seat (16) is arranged at a position, corresponding to the safety switch (3), inside the fixing handle (8), a magnetic block (17) is arranged inside the fixing seat (16), the front end of the fixing seat (16) is rotatably connected with a rotating plate (15) through a bearing, and a baffle (14) is arranged at a position, corresponding to the rotating plate (15), of the fixing seat (16).

4. The linear cutting stapler safety mechanism according to claim 3, wherein: and a torsion spring (18) is arranged between one side of the rotating plate (15), which is close to the magnetic block (17), and the fixed seat (16) in a clamping connection mode.

5. The linear cutting stapler safety mechanism of claim 1, wherein: the fixed hook (4) and the movable hook (6) are both of a stainless steel structure, and the fixed hook (4) and the trigger handle (2) are welded and fixed through spot welding.

6. The linear cutting stapler safety mechanism according to claim 3, wherein: one end of the magnetic block (17) close to the rotating plate (15) is provided with a rubber pad in a bonding connection mode through glue.

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