Tubular anastomat capable of being opened and closed in rotary mode

Abstract

The utility model discloses a tubular anastomat capable of being opened and closed in a rotary mode. The tubular anastomat comprises a shell, a percussion handle and a rotary opening and closing assembly. According to the device, an operator holds a handle of the shell, adjusts the nail abutting base to reach a designated position through a butterfly knob and then directly presses the button through the thumb, the button compresses the spring and drives the movable contact to be combined with the static contact at the same time, and at the moment, the electric push rod is started and is in linkage with the guide roller through the connecting frame; when the guide roller is in sliding fit with the outer surface wall of the firing handle, the firing handle is pushed to deflect until the anastomosis operation is completed, in the process, the hands of an operator can be completely used for maintaining the stability of the shell, and after the button is released subsequently, the spring drives the movable contact to be separated from the static contact, and the electric push rod drives the guide roller to reset. Therefore, the deflection amplitude of the tubular anastomat during percussion is reduced, and the use stability of the tubular anastomat capable of being opened and closed in a rotary mode is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of tubular staplers, in particular to a rotary-opening and -closing tubular stapler. Background Art

[0002] The tubular stapler is suitable for end-to-end, end-to-side and side-to-side anastomosis of the esophagus, stomach, duodenum, small intestine, colon and rectum. It is especially suitable for esophageal and gastric anastomosis which are difficult to expose and operate, and low-position end-to-end anastomosis of the colorectum after resection of mid-segment rectal cancer.

[0003] Chinese patent publication number CN207118916U, publication date 20180320, discloses a tubular stapler, including a shell, a stapler seat and a suturing mechanism spaced front and back, and an adjusting rod for driving the stapler seat and the suturing mechanism to move closer to or away from each other, the adjusting rod can be movably arranged in the shell along the front and back direction, the tubular stapler also includes an indicating mechanism, the indicating mechanism includes: a pull rod, connected to the adjusting rod; a connecting rod, movably arranged in the shell; an indicating mark, movably arranged in the shell along the front and back direction, the cross-section of the indicating mark perpendicular to the front and back direction is a first arc shape, one end of the connecting rod is connected to the indicating mark; and an indicating window, fixedly arranged on the shell and covering the outside of the indicating mark, each cross-section of the indicating window perpendicular to the front and back direction is a second arc shape, and the indicating window has a firing area.

[0004] Most of the existing tubular staplers such as the above-mentioned ones adopt a rotary opening and closing method, that is, the horizontal movement of the nail seat is controlled by a butterfly knob, and the anastomosis operation is realized in cooperation with a firing handle. In the specific implementation process, after the nail seat is adjusted to a specified position by the butterfly knob, the operator needs to drive the firing handle manually. Since the firing handle needs to consider the subsequent reset, the firing handle is equipped with an elastic reset component. This causes a large degree of deflection of the entire shell during manual operation, affecting the subsequent anastomosis operation. Therefore, it is urgent to propose a corresponding tubular stapler with a rotary opening and closing method to solve the above-mentioned problems. Utility Model Content

[0005] The purpose of the utility model is to solve the above problems and to provide a rotary opening and closing tubular anastomosis device.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A tubular stapler with a rotary opening and closing function comprises a shell, a firing handle and a rotary opening and closing component, wherein the rotary opening and closing component comprises a pin holder and a butterfly knob, a top seat and an electric push rod are fixedly connected to both sides of the vertical end of the shell, a pushing component for pushing the firing handle to deflect is provided at the output end of the electric push rod, a button is slidably connected to the inner surface wall of the top seat, a spring is fixedly connected between the button and the top seat, and a moving contact and a static contact are fixedly connected between the opposite surfaces of the button and the top seat.

[0008] Preferably, the top of the top seat is fixedly connected to a side seat, the inner surface wall of the side seat is slidably connected to an insert plate, and the insert plate is inserted into the button through a coupling groove.

[0009] Preferably, the plug board is in a T-shaped structure, and a U-shaped frame is fixedly connected to the outer wall of the plug board.

[0010] Preferably, a rubber pad is fixedly connected to the inner surface wall of the side seat, and the inner surface wall of the rubber pad abuts against the outer surface wall of the plug board.

[0011] Preferably, a fixing frame is fixedly connected to the outer wall of the electric push rod, and the fixing frame is fixedly connected to the bottom of the housing via a locking rod.

[0012] Preferably, the pushing assembly includes a connecting frame, the connecting frame is in a U-shaped structure, the outer wall of the connecting frame is fixedly connected to the output end of the electric push rod, and the inner wall of the connecting frame is rotatably connected to a guide roller.

[0013] Preferably, the outer wall of the shell is fixedly connected to the base frame, the outer wall of the firing handle is slidably connected to the inner wall of the base frame, and a retaining frame is fixedly connected between the shell and the base frame.

[0014] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0015] 1. In the present application, the operator holds the handle of the outer shell, adjusts the nail seat to the specified position through the butterfly knob, and then presses the button directly with the thumb. The button compresses the spring and drives the moving contact to combine with the static contact. At this time, the electric push rod is started, and the electric push rod is linked to the guide roller through the connecting frame. The guide roller slides with the outer wall of the firing handle and pushes the firing handle to deflect until the anastomosis operation is completed. During this process, the operator's hands can be used to maintain the stability of the outer shell. After the button is released, the spring drives the moving contact to separate from the static contact, and the electric push rod drives the guide roller to reset, thereby reducing the deflection amplitude of the tubular stapler during firing and ensuring the stability of the rotary opening and closing tubular stapler.

[0016] 2. In the present application, after the spring drives the button to reset, the button will maintain a relatively stable height. At this time, the plug plate can be passed through the side plate and combined with the inside of the combining groove. The rubber pad layer on the inner surface wall of the side plate can provide a restraining force for the plug plate, ensuring the stable position of the plug plate. The plug plate can limit the vertical displacement of the button, thereby avoiding accidental touching of the button and improving the safety of using the rotary opening and closing tubular stapler. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The overall structure schematic diagram provided according to the embodiment of the utility model is shown;

[0018] Figure 2 A schematic diagram of the structure of a fixing frame provided according to an embodiment of the utility model is shown;

[0019] Figure 3 A schematic diagram of the structure of the coupling groove provided according to an embodiment of the utility model is shown;

[0020] Figure 4 A schematic diagram of a spring structure provided according to an embodiment of the utility model is shown;

[0021] Figure 5 The figure shows a control circuit diagram of an electric push rod provided according to an embodiment of the utility model.

[0022] Legend:

[0023] 1. Outer shell; 2. Anvil seat; 3. Butterfly knob; 4. Firing handle; 5. Fixed frame; 6. Electric push rod; 7. Connecting frame; 8. Top seat; 9. Bottom frame; 10. Block frame; 11. Locking rod; 12. Guide roller; 13. Insert plate; 14. Button; 15. Combination groove; 16. Side seat; 17. Moving contact; 18. Spring; 19. Static contact. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-5 , the utility model provides a technical solution:

[0026] A rotary opening and closing tubular stapler comprises a housing 1, a firing handle 4 and a rotary opening and closing assembly, wherein the rotary opening and closing assembly comprises an anvil seat 2 and a butterfly knob 3, a top seat 8 and an electric push rod 6 are respectively fixedly connected to both sides of the vertical end of the housing 1, an output end of the electric push rod 6 is provided with a pushing assembly for pushing the firing handle 4 to deflect, a button 14 is slidably connected to the inner surface wall of the top seat 8, a spring 18 is fixedly connected between the button 14 and the top seat 8, and a moving contact 17 and a static contact 19 are respectively fixedly connected between the opposite surfaces of the button 14 and the top seat 8;

[0027] The operator holds the handle of the shell 1, adjusts the nail seat 2 to the specified position through the butterfly knob 3, and then directly presses the button 14 with the thumb. The button 14 compresses the spring 18 and drives the moving contact 17 to combine with the static contact 19. At this time, the electric push rod 6 is started, and the electric push rod 6 is linked to the guide roller 12 through the connecting frame 7. The guide roller 12 slides with the outer wall of the firing handle 4 and pushes the firing handle 4 to deflect until the anastomosis operation is completed. In this process, the operator's hands can be used to maintain the stability of the shell 1. After the button 14 is released, the spring 18 drives the moving contact 17 to separate from the static contact 19, and the electric push rod 6 drives the guide roller 12 to reset, thereby reducing the deflection amplitude of the tubular stapler during firing, ensuring the stability of the rotary opening and closing tubular stapler.

[0028] Specifically, Figure 2 and Figure 4 As shown, the top of the top seat 8 is fixedly connected to a side seat 16, and the inner wall of the side seat 16 is slidably connected to a plug plate 13. The plug plate 13 is inserted into the button 14 through a coupling groove 15. The inner wall of the side seat 16 is fixedly connected to a rubber pad, and the inner wall of the rubber pad abuts against the outer wall of the plug plate 13. After the spring 18 drives the button 14 to reset, the button 14 will maintain a relatively stable height. At this time, the plug plate 13 can be passed through the side plate 16 and combined into the inside of the coupling groove 15. The rubber pad layer on the inner wall of the side plate 16 can provide a restraining force for the plug plate 13, ensuring the stable position of the plug plate 13. The plug plate 13 can limit the vertical deviation of the button 14, thereby avoiding accidental touching of the button 14, and improving the safety of the use of the rotary open and close tubular anastomosis device. The plug plate 13 is a T-shaped structure, and the outer wall of the plug plate 13 is fixedly connected to a U-shaped frame, thereby limiting the horizontal position of the plug plate 13.

[0029] Specifically, Figure 2 and Figure 3As shown, the outer wall of the electric push rod 6 is fixedly connected with a fixing frame 5, and the fixing frame 5 is fixedly connected to the bottom of the shell 1 through a locking rod 11, so as to ensure the convenience of disassembly and assembly of the electric push rod 6, and the pushing component includes a connecting frame 7, and the connecting frame 7 is a U-shaped structure. The outer wall of the connecting frame 7 is fixedly connected to the output end of the electric push rod 6, and the inner wall of the connecting frame 7 is rotatably connected to a guide roller 12, and the electric push rod 6 is linked to the guide roller 12 through the connecting frame 7, and the guide roller 12 slides with the outer wall of the firing handle 4 and pushes the firing handle 4 to deflect, the outer wall of the shell 1 is fixedly connected with a base frame 9, and the outer wall of the firing handle 4 is slidably connected with the inner wall of the base frame 9, so as to ensure the stability of the deflection of the firing handle 4, and a blocking frame 10 is fixedly connected between the shell 1 and the base frame 9, so as to shield the operator's hands and prevent the firing handle 4 from impacting the operator's hands.

[0030] Working principle: The operator holds the handle of the housing 1, adjusts the dowel seat 2 to the specified position through the butterfly knob 3, and then directly presses the button 14 with the thumb. The button 14 compresses the spring 18 and drives the moving contact 17 to combine with the static contact 19. At this time, the electric push rod 6 is started, and the electric push rod 6 is linked to the guide roller 12 through the connecting frame 7. The guide roller 12 slides with the outer wall of the firing handle 4 and pushes the firing handle 4 to deflect until the kissing operation is completed. In this process, the operator's hands can be used to maintain the stability of the housing 1. After releasing the button 14, the spring 18 drives the moving contact 17 and the static contact 19 is separated, and the electric push rod 6 drives the guide roller 12 to reset, thereby reducing the deflection amplitude of the tubular stapler when firing, ensuring the stability of the use of the rotary open and close tubular stapler. After the spring 18 drives the button 14 to reset, the button 14 will maintain a relatively stable height. At this time, the plug plate 13 can pass through the side plate 16 and be combined with the inside of the combining groove 15. The rubber cushion layer on the inner surface wall of the side plate 16 can provide a restraining force for the plug plate 13, ensuring the stable position of the plug plate 13. The plug plate 13 can limit the vertical deviation of the button 14, thereby avoiding accidental touching of the button 14 and improving the safety of the use of the rotary open and close tubular stapler.

[0031] The above description of the embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A rotary opening and closing tubular stapler, comprising a housing (1), a firing handle (4) and a rotary opening and closing assembly, wherein the rotary opening and closing assembly comprises an anvil (2) and a butterfly knob (3), characterized in that: A top seat (8) and an electric push rod (6) are fixedly connected to both sides of the vertical end of the housing (1), and a pushing component for pushing the firing handle (4) to deflect is arranged at the output end of the electric push rod (6). A button (14) is slidably connected to the inner surface wall of the top seat (8), a spring (18) is fixedly connected between the button (14) and the top seat (8), and a moving contact (17) and a static contact (19) are fixedly connected between the opposite surfaces of the button (14) and the top seat (8).

2. A rotary opening and closing tubular stapler according to claim 1, characterized in that: The top of the top seat (8) is fixedly connected to a side seat (16), the inner surface wall of the side seat (16) is slidably connected to an insert plate (13), and the insert plate (13) is inserted into the inside of the button (14) through a coupling groove (15).

3. A rotary opening and closing tubular stapler according to claim 2, characterized in that: The plug board (13) has a T-shaped structure, and an outer wall of the plug board (13) is fixedly connected to a U-shaped frame.

4. A rotary opening and closing tubular stapler according to claim 3, characterized in that: The inner surface wall of the side seat (16) is fixedly connected with a rubber pad, and the inner surface wall of the rubber pad abuts against the outer surface wall of the plug board (13).

5. A rotary opening and closing tubular stapler according to claim 4, characterized in that: The outer wall of the electric push rod (6) is fixedly connected to a fixing frame (5), and the fixing frame (5) is fixedly connected to the bottom of the housing (1) via a locking rod (11).

6. A rotary opening and closing tubular stapler according to claim 5, characterized in that: The pushing assembly comprises a connecting frame (7), the connecting frame (7) is in a U-shaped structure, the outer wall of the connecting frame (7) is fixedly connected to the output end of the electric push rod (6), and the inner wall of the connecting frame (7) is rotatably connected to a guide roller (12).

7. A rotary opening and closing tubular stapler according to claim 6, characterized in that: The outer wall of the shell (1) is fixedly connected to a base frame (9), the outer wall of the firing handle (4) is slidably connected to the inner wall of the base frame (9), and a retaining frame (10) is fixedly connected between the shell (1) and the base frame (9).

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