Disposable anorectal anastomat

By designing the coordination between the ball head and the convex ring chute in the disposable anorectal stapler and the combination of the sealing plate and the through groove, the problem of scratching polyps tissue during the propulsion process is solved, and the wound is smooth and the normal use of the stapler is achieved.

CN222942389UActive Publication Date: 2025-06-06PRECISION CHANGZHOU MEDICAL INSTR
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Patent Information

Application Number
CN202421765211.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-24
Publication Date
2025-06-06
Estimated Expiration
2034-07-24

AI Technical Summary

Technical Problem

Existing disposable anorectal stapler can easily cause scratches on polyps during the advancement, resulting in irregular incisions and poor wounds.

Method used

A disposable anorectal stapler including a leading anal expander and a through groove is designed. The ball head is engaged with the leading anal expander through the matching of the convex ring and the sliding groove. The sealing plate is combined with the through groove to ensure that the head of the stapler is smooth and maintains the consistency of internal and external air pressure during the advancement.

Benefits of technology

Through the coordination between the ball head and the convex ring chute and the design of the sealing plate, scratches of polyps during the propulsion process are avoided, ensuring smooth wounds and normal use of the stapler.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a disposable anorectum anastomat which comprises a front guide anus dilatation device and a through groove, one side of the front guide anus dilatation device is fixedly connected with an annular extension part, and the outer surface wall of the annular extension part is provided with an external binding assembly used for auxiliary supporting of the front guide anus dilatation device. According to the anal dilatation device, the ball head is clamped with the anal dilatation device through cooperation of the convex ring and the sliding groove, it is guaranteed that the head of the anastomat is smooth, meanwhile, the gap between the sliding groove and the convex ring can guarantee consistency of internal air pressure and external air pressure in the propelling process, in the process, the sealing plate is kept to be combined with the through groove, and therefore the smoothness of the outer contour of the anal dilatation device is guaranteed; after the through groove is aligned with a wound, the fastening rod is separated so that the whole sealing plate can be separated from the anal dilatation device, at the moment, the anastomosis operation of the wound can be carried out, the normal use of the anorectal anastomat is guaranteed, meanwhile, polyp tissue is prevented from being scratched in the propelling process, and therefore the use effect of the disposable anorectal anastomat is guaranteed.
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Description

Technical Field

[0001] The utility model relates to the technical field of staplers, in particular to a disposable anorectal stapler. Background Art

[0002] The stapler is used for hemorrhoid circumcision, especially for patients with severe internal hemorrhoids and partial rectal mucosal prolapse. The principle is to preserve the anal cushion, perform circular excision and anastomosis of part of the internal hemorrhoids and the mucosal and submucosal tissues above the hemorrhoids, and perform instant anastomosis at the same time, which not only blocks the blood supply of the hemorrhoids, but also suspends and fixes the slipped tissue, and restores the pathological anorectal canal to a normal anatomical state.

[0003] Chinese patent publication number CN208973978U, publication date 20190614, discloses a disposable guided anorectal hemorrhoid stapler, including an anastomosis body and a handle, and also includes a leading anal dilator, the leading anal dilator is cylindrical in shape, a through hole is provided at the center of the front end of the leading anal dilator, a through groove is provided on the side wall of the leading anal dilator, drainage tubes are respectively provided at the upper and lower ends of the through groove, the drainage tubes are located inside the leading anal dilator, a drainage tube opening is provided at the end of the leading anal dilator, and circular ring handles are respectively provided on both sides of the rear end of the leading anal dilator, a detachable fixing belt is provided on the circular ring handle, and buckles are provided at both ends of the fixing belt.

[0004] In the specific implementation process of the existing disposable anorectal stapler in a plastic bottle, the through holes and through grooves have their specific functions. However, since polyps have a certain elasticity, they are prone to bulge at the through grooves and through holes. During the advancement of the stapler, the irregular incisions produced by the through grooves and through holes are prone to scratches on the bulging parts. Therefore, it is urgent to propose a corresponding disposable anorectal stapler to solve the above problems. Utility Model Content

[0005] The utility model aims to solve the above problems and provides a disposable anorectal stapler.

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

[0007] A disposable anorectal stapler comprises a leading anal dilator and a through groove, wherein an annular extension is fixedly connected to one side of the leading anal dilator, an outer wall of the annular extension is provided with an outer binding component for auxiliary support of the leading anal dilator, a ball head is snap-connected to one side of the leading anal dilator away from the annular extension, a sealing plate is filled inside the through groove, and a fixing component for fixing the sealing plate is provided between the sealing plate and the inner wall of the leading anal dilator.

[0008] Preferably, the outer binding component includes a tightening belt fixedly connected to the annular extension, the tightening belt is integrally formed with a connecting belt, the tightening belt is provided with a strip groove, and Velcro and Velcro are respectively fixedly connected on both sides of the connecting belt.

[0009] Preferably, a clamping sleeve is fixedly connected to a side of the tightening belt away from the connecting belt, and the clamping sleeve is fixedly connected to the annular extension via a locking rod.

[0010] Preferably, the cross section of the ferrule is U-shaped, and the locking rod is fixedly connected to the annular extension through a screw hole.

[0011] Preferably, the screw holes are provided in multiple groups, and the multiple groups of screw holes are distributed in a ring shape.

[0012] Preferably, the fixing assembly comprises a strapping plate fixedly connected to the sealing plate, and the strapping plate is fixedly connected to the inner surface wall of the leading anal dilator via a fastening rod.

[0013] Preferably, a convex ring is fixedly connected to the outer wall of the ball head, and the convex ring is engaged and connected with the inner wall of the leading anal dilator through a ring-shaped sliding groove, and the interior of the ball head is hollow.

[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 ball head is engaged with the leading anal dilator through the cooperation of the convex ring and the slide groove, which ensures the smoothness of the stapler head. At the same time, the gap between the slide groove and the convex ring can ensure the consistency of the internal and external air pressure during the advancement process. During this process, the sealing plate remains combined with the through groove to ensure the smoothness of the external contour of the leading anal dilator. Until the through groove is aligned with the wound, the fastening rod is separated to separate the sealing plate from the leading anal dilator as a whole. At this time, the anastomosis operation of the wound can be performed, thereby ensuring the normal use of the anorectal stapler while avoiding scratching of the polyp tissue during the advancement process, thereby ensuring the use effect of the disposable anorectal stapler.

[0016] 2. In the present application, the tightening belt and the connecting belt are overlapped on the outside of the external support member, the connecting belt is passed around the support frame and through the strip groove, and then the Velcro and Velcro are attracted to each other to fix the connecting belt and the tightening belt to the external support member, so as to provide auxiliary support for the leading anal dilator. At the same time, the tightening belt is fixed to the annular extension through the cooperation of the ferrule and the locking rod. The tightening belt does not contact the wound and is combined with a detachable connection method, so that the external binding component can be separated independently and used multiple times. 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 2A schematic diagram of the convex ring structure provided according to an embodiment of the utility model is shown;

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

[0020] Figure 4 A schematic diagram of the structure of an external binding component provided according to an embodiment of the utility model is shown.

[0021] Legend:

[0022] 1. Anterior anal dilator; 2. Ball head; 3. Through groove; 4. Annular extension; 5. Closing plate; 6. Cardan; 7. Locking rod; 8. Tightening belt; 9. Connecting belt; 10. Convex ring; 11. Slide groove; 12. Strap; 13. Fastening rod; 14. Screw hole; 15. Strip groove; 16. Velcro; 17. Velcro. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1-4 , the utility model provides a technical solution:

[0025] A disposable anorectal stapler comprises a leading anal dilator 1 and a through groove 3, one side of the leading anal dilator 1 is fixedly connected with an annular extension 4, the outer wall of the annular extension 4 is provided with an outer binding component for auxiliary support of the leading anal dilator 1, the side of the leading anal dilator 1 away from the annular extension 4 is clamped and connected with a ball head 2, the interior of the through groove 3 is filled with a sealing plate 5, and a fixing component for fixing the sealing plate 5 is provided between the sealing plate 5 and the inner wall of the leading anal dilator 1;

[0026] The ball head 2 is engaged with the leading anal dilator 1 through the cooperation of the convex ring 10 and the slide groove 11, which ensures the smoothness of the anastomosis head. At the same time, the gap between the slide groove 11 and the convex ring 10 can ensure the consistency of the internal and external air pressure during the advancement process. During this process, the sealing plate 5 remains combined with the through groove 3 to ensure the smoothness of the external contour of the leading anal dilator 1. After the through groove 3 is aligned with the wound, the fastening rod 13 is separated to separate the sealing plate 5 from the leading anal dilator 1 as a whole. At this time, the anastomosis operation of the wound can be performed, thereby ensuring the normal use of the anorectal stapler while avoiding scratching of the polyp tissue during the advancement process, thereby ensuring the use effect of the disposable anorectal stapler.

[0027] Specifically, Figure 2 and Figure 4 As shown, the outer binding component includes a tightening belt 8 fixedly connected to the annular extension 4, the tightening belt 8 is integrally formed with a connecting belt 9, the tightening belt 8 is provided with a strip groove 15, and the two sides of the connecting belt 9 are respectively fixedly connected with a Velcro 16 and a Velcro mother patch 17, and the side of the tightening belt 8 away from the connecting belt 9 is fixedly connected with a ferrule 6, and the ferrule 6 is fixedly connected to the annular extension 4 through a locking rod 7. The tightening belt 8 and the connecting belt 9 are overlapped on the outside of the external support, and the connecting belt 9 is passed around the support and through the strip groove 15, and then the connecting belt 9 and The tightening band 8 is fixed to the external support member to provide auxiliary support for the leading anal dilator 1. At the same time, the tightening band 8 is fixed to the annular extension 4 through the cooperation of the ferrule 6 and the locking rod 7. The tightening band 8 does not contact the wound and is detachably connected, so that the external binding component can be independently separated and used multiple times. The cross-section of the ferrule 6 is a U-shaped structure, and the locking rod 7 is fixedly connected to the annular extension 4 through the screw hole 14. There are multiple groups of screw holes 14, and the multiple groups of screw holes 14 are distributed in a ring shape. Therefore, the position of the external binding component can be adjusted according to the position of the wound to avoid obstruction of the external binding component.

[0028] Specifically, Figure 2 and Figure 3 As shown, the fixing assembly includes a strap 12 fixedly connected to the sealing plate 5. The strap 12 is fixedly connected to the inner wall of the leading anal dilator 1 through a fastening rod 13, so as to ensure the convenience of disassembly and assembly of the sealing plate 5. The outer wall of the ball head 2 is fixedly connected with a convex ring 10, and the convex ring 10 is engaged with the inner wall of the leading anal dilator 1 through a ring-shaped slide groove 11, and the inside of the ball head 2 is hollow. The ball head 2 is engaged with the leading anal dilator 1 through the cooperation of the convex ring 10 and the slide groove 11, which ensures the smoothness of the anastomosis head. At the same time, the gap between the slide groove 11 and the convex ring 10 can ensure the consistency of the internal and external air pressure during the advancement process.

[0029] Working principle: The ball head 2 is engaged with the leading anal dilator 1 through the cooperation of the convex ring 10 and the slide groove 11, which ensures the smoothness of the anastomosis head. At the same time, the gap between the slide groove 11 and the convex ring 10 can ensure the consistency of the internal and external air pressure during the advancement process. During this process, the sealing plate 5 remains combined with the through groove 3 to ensure the smoothness of the external contour of the leading anal dilator 1. After the through groove 3 is aligned with the wound, the fastening rod 13 is separated to separate the sealing plate 5 from the leading anal dilator 1 as a whole. At this time, the anastomosis of the wound can be carried out, thereby ensuring the normal use of the anorectal stapler while avoiding the incision during the advancement process. The flesh tissue is scratched, thereby ensuring the use effect of the disposable anorectal stapler, the tightening band 8 and the connecting band 9 are overlapped on the outside of the external support, the connecting band 9 is passed around the support and through the strip groove 15, and then the Velcro 16 and the Velcro mother patch 17 are attracted to fix the connecting band 9 and the tightening band 8 to the external support, so as to provide auxiliary support for the leading anal dilator 1, and at the same time the tightening band 8 is fixed to the annular extension 4 by the cooperation of the ferrule 6 and the locking rod 7, the tightening band 8 does not contact the wound and is combined with the detachable connection method, so that the external binding component can be separated independently and used multiple times.

[0030] 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 disposable anorectal stapler, comprising a leading anal dilator (1) and a through slot (3), characterized in that: The leading anal dilator (1) is fixedly connected to an annular extension (4) on one side, and an outer wall of the annular extension (4) is provided with an outer binding component for auxiliary support of the leading anal dilator (1). The leading anal dilator (1) is snap-connected to a ball head (2) on a side away from the annular extension (4). The through groove (3) is filled with a sealing plate (5), and a fixing component for fixing the sealing plate (5) is provided between the sealing plate (5) and the inner wall of the leading anal dilator (1).

2. A disposable anorectal stapler according to claim 1, characterized in that: The outer binding component comprises a tightening belt (8) fixedly connected to the annular extension (4), the tightening belt (8) is integrally formed with a connecting belt (9), the tightening belt (8) is provided with a strip groove (15), and the two sides of the connecting belt (9) are respectively fixedly connected with a Velcro tape (16) and a Velcro tape (17).

3. A disposable anorectal stapler according to claim 2, characterized in that: A clamping sleeve (6) is fixedly connected to the side of the tightening belt (8) away from the connecting belt (9), and the clamping sleeve (6) is fixedly connected to the annular extension (4) via a locking rod (7).

4. The disposable anorectal stapler according to claim 3, characterized in that: The cross section of the ferrule (6) is a U-shaped structure, and the locking rod (7) is fixedly connected to the annular extension (4) via a screw hole (14).

5. The disposable anorectal stapler according to claim 4, characterized in that: The screw holes (14) are arranged in a plurality of groups, and the plurality of groups of screw holes (14) are distributed in a ring shape.

6. The disposable anorectal stapler according to claim 5, characterized in that: The fixing assembly comprises a strap (12) fixedly connected to the sealing plate (5); the strap (12) is fixedly connected to the inner surface wall of the leading anal dilator (1) via a fastening rod (13).

7. The disposable anorectal stapler according to claim 6, characterized in that: The outer wall of the ball head (2) is fixedly connected with a convex ring (10), the convex ring (10) is snap-connected with the inner wall of the leading anal dilator (1) via an annularly arranged slide groove (11), and the interior of the ball head (2) is hollowed out.

Citation Information

Patent Citations

  • Disposable guide type anorectal hemorrhoid anastomat

    CN208973978U