Ferrule locking structure and electric ligation device

Abstract

The utility model provides a sleeve ring locking structure for locking and fixing sleeve ring, is connected with connecting wire, including the clamping cylinder, drives along the sleeve pipe axial movement through the handle on the sleeve ligature device, the end of connecting wire is fixedly connected with the connecting cylinder, when the clamping cylinder moves to the sleeve ring direction, and automatically clamps with the connecting cylinder. The sleeve ring locking structure in the utility model, realizes the automatic fixing of connecting wire through the mode of automatic clamping with the connecting cylinder, replaces the traditional manual fixing mode, avoids the complicated operation because of manual fixing, significantly shortens the operation preparation time, thereby improves the operation efficiency, reduces the operation difficulty, increases the operation safety, promotes the effectiveness of operation.

Description

Technical Field

[0001] This utility model relates to the field of medical device technology, and in particular to a banding device for treating hemorrhoids, specifically a banding locking structure and an electric banding device. Background Technology

[0002] The band used to treat hemorrhoids has a connecting wire leading out from one end. In the traditional electric banding device, the band is first fitted onto the suction port of the cannula, and then the connecting wire on the band is manually fixed to a specific part of the banding device to ensure that the band can be stably held in the predetermined position during the operation and can be easily released for banding when needed.

[0003] However, this traditional method of securing the sutures not only increases the workload of medical staff but also prolongs surgical preparation time and reduces surgical efficiency. Furthermore, human factors, such as the operator's skill level and fatigue, can lead to inaccurate suture placement or insecure fixation, thus affecting the safety and effectiveness of the surgery. These problems may be amplified, especially in emergency or complex surgical situations, posing unnecessary risks to patients.

[0004] Therefore, there is an urgent need to develop an electric ligation device that can replace manual labor and automatically fix the connecting sutures, so as to improve surgical efficiency, reduce the difficulty of operation, and enhance the safety and effectiveness of surgery. Utility Model Content

[0005] To address the technical problems in the background art, this utility model discloses a ring locking structure and an electric ring clamping device.

[0006] This utility model provides a collar locking structure for locking and fixing a collar. The collar is connected to a connecting wire and includes a snap-fit ​​sleeve. It is driven by the handle on the collar and moves along the axial direction of the sleeve.

[0007] A connecting tube is fixedly connected to the end of the connecting wire;

[0008] When the snap-fit ​​cylinder moves toward the collar, it automatically snaps into the connecting cylinder.

[0009] Furthermore, the outer wall of the connecting cylinder is provided with a shoulder, the plane of which faces the collar; the end of the snap-fit ​​cylinder is provided with elastic snap teeth for snapping the shoulder.

[0010] Furthermore, the end of the snap-fit ​​cylinder is provided with a radially penetrating slot; the portion between adjacent slots forms a snap-fit ​​claw; snap-fit ​​teeth are provided on the inner side of the snap-fit ​​claw.

[0011] Furthermore, a protruding retaining ring is provided on the inner wall of the end of the retaining cylinder; the inner side of the retaining ring is chamfered and forms a flared structure; the retaining ring forms retaining teeth under the action of the groove.

[0012] Furthermore, the inner wall of the connecting cylinder is provided with a locking platform; the end face of the locking platform faces away from the collar; the end of the connecting wire is knotted to form a knot, which is engaged with the locking platform.

[0013] Furthermore, a plug is inserted into the end of the connecting cylinder facing away from the collar.

[0014] Furthermore, the opening and closing end of the handle is hinged to a connecting rod and a drive rod in sequence; the driving end of the drive rod is engaged with the tail of the locking cylinder.

[0015] Furthermore, the tail of the snap-fit ​​tube is provided with a U-shaped slot that opens towards the sleeve and snaps into the sleeve; a limit plate is provided on the housing of the ligator; the tail of the snap-fit ​​tube is limited between the limit plate and the sleeve.

[0016] Furthermore, the tail end of the snap-fit ​​cylinder is provided with an elongated oval limiting groove; the sleeve is provided with a limiting rod with a snap-fit ​​limiting groove.

[0017] This utility model also provides an electric banding device, including a banding locking structure.

[0018] The locking structure of this invention automatically fixes the connecting wire by automatically engaging with the connecting cylinder, replacing the traditional manual fixing method. This avoids the cumbersome operation caused by manual fixing, significantly shortens the surgical preparation time, thereby improving surgical efficiency, reducing the difficulty of operation, increasing surgical safety, and enhancing the effectiveness of the surgery. Attached Figure Description

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0020] Figure 1 This is a structural schematic diagram of the present invention, in which half of the shell is hidden;

[0021] Figure 2 This is a front view of the present invention, in which half of the shell is hidden;

[0022] Figure 3 This is a structural schematic diagram of the hidden parts in this utility model;

[0023] Figure 4 yes Figure 3 Enlarged view of point A in the middle;

[0024] Figure 5 This is the main view of the connecting structure of the collar, with a partial sectional view.

[0025] Figure 6This is a schematic diagram of the ring structure;

[0026] Figure 7 This is the front sectional view of the ring;

[0027] In the diagram: 1. Ring; 2. Connecting wire; 3. Snap-fit ​​sleeve; 4. Handle; 5. Sleeve; 6. Connecting sleeve; 7. Shoulder; 8. Snap-fit ​​tooth; 9. Groove; 10. Snap-fit ​​claw; 12. Snap-fit ​​platform; 13. Plug; 14. Connecting rod; 15. Drive rod; 16. Snap-fit ​​groove; 17. Housing; 18. Limiting plate; 19. Limiting groove; 20. Limiting rod; 23. Positioning plate; 24. Snap-fit ​​sleeve; 25. Force plate; 26. Connecting sleeve; 27. Ring plate. Detailed Implementation

[0028] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the present invention, and therefore only show the components relevant to the present invention.

[0029] Example 1:

[0030] like Figure 1 and Figure 2 As shown, this utility model discloses a collar locking structure for locking and fixing collar 1.

[0031] by Figure 2 For reference, the upper end of the collar 1 is vertically connected to the right by a connecting line 2, and the right end of the connecting line 2 is connected to a connecting cylinder 6. The specific connection structure is as follows: Figure 6 and Figure 7 As shown, the inner wall of the connecting cylinder 6 is provided with a retaining plate 12, the end face of which faces right. The right end of the connecting wire 2 is knotted to form a knot, which engages with the retaining plate 12, thereby fixing the connecting wire 2 to the connecting cylinder 6. A plug 13 is also inserted into the right end of the connecting cylinder 6 to limit the knot of the connecting wire 2. The outer wall of the connecting cylinder 6 forms a shoulder 7, the end face of which faces left.

[0032] The locking structure of the ferrule 1 includes a snap-fit ​​sleeve 3, which is installed on the upper side of the sleeve 5 inside the housing 17 of the electric ferrule clamp and is parallel to the sleeve 5. Figure 5As shown, the left end of the snap-fit ​​cylinder 3 has a radially penetrating slot 9, so that the portion between adjacent slots 9 forms an elastic claw 10. The inner wall of the left end of the snap-fit ​​cylinder 3 has a protruding retaining ring, the inner side of which has a chamfer, forming a flared structure. The retaining ring forms a retaining tooth 8 under the action of the slot 9. With this configuration, when the snap-fit ​​cylinder 3 moves to the left, the chamfer first contacts the connecting cylinder 6, and under the guidance of the chamfer, the claw 10 opens; when the snap-fit ​​cylinder 3 continues to move to the left until the claw 10 disengages from the shoulder 7, the claw 10 returns to its original position; finally, the snap-fit ​​cylinder 3 moves to the right, causing the retaining tooth 8 to engage with the shoulder 7, and pulling the connecting cylinder 6 to the right, causing the connecting line 2 to stretch and tighten.

[0033] Because the connecting wire 2 is flexible, it is difficult to keep the connecting cylinder 6 in a stable position. Therefore, during installation, the connecting wire 2 is first fixed in the mounting sleeve, which is equipped with a locking block that engages the left side of the connecting cylinder 6. With this configuration, when the locking cylinder 3 engages with the connecting cylinder 6, the connecting cylinder 6 is supported by the locking block, ensuring a stable position and a reliable engagement. Once the locking cylinder 3 and the connecting cylinder 6 are fully engaged, the mounting sleeve can be removed.

[0034] The snap-fit ​​cylinder 3 is driven to move by a handle 4 hinged to the housing 17, and its specific structure is as follows: Figure 3 and Figure 4 As shown, a positioning plate 23 and a retaining sleeve 24 are sequentially connected to the right side of the snap-fit ​​cylinder 3. The positioning plate 23 is horizontally arranged, and its upper surface is flat. The retaining sleeve 24 is provided with a U-shaped, downward-opening slot 16, which snaps into the sleeve 5. A limiting plate 18 is provided on the housing 17, which fits against the upper surface of the positioning plate 23. With this arrangement, the right side of the snap-fit ​​cylinder 3 is limited between the limiting plate 18 and the sleeve 5, realizing the movement limitation and guidance of the snap-fit ​​cylinder 3. The tail of the snap-fit ​​cylinder 3 is provided with an elongated circular limiting groove 19 that extends radially through the cylinder. The limiting groove 19 extends axially along the snap-fit ​​cylinder 3, with one end extending to the positioning plate 23 and the other end extending to the retaining sleeve 24. A limiting rod 20 extends vertically upward from the sleeve 5. The limiting rod 20 is inserted into the limiting groove 19, realizing the limitation of the movement distance of the snap-fit ​​cylinder 3. Two symmetrically arranged force-bearing plates 25 extend downward from the right end of the positioning plate 23. A connecting sleeve 26 is fitted onto the outer side of the sleeve 24. A radially protruding ring plate 27 is provided on the connecting sleeve 26. A recessed drive groove is formed between the force-bearing plate 25 and the ring plate 27. This design of the drive groove facilitates disassembly and assembly.

[0035] The handle 4 is hinged to the housing 17 at its middle part. The handle 4 is located below the hinge point, and a connecting rod 14 and a drive rod 15 are sequentially hinged near the hinge point of the handle 4. The upper part of the drive rod 15 is U-shaped with the opening facing upward, and the open end is engaged with the drive groove, so that when the handle 4 is rotated, it can drive the locking cylinder 3 to move, so that the locking cylinder 3 automatically engages with the connecting cylinder 6.

[0036] When the ligature 1 completes its attachment of the hemorrhoidal tissue, the connecting wire 2 is cut or severed. At this time, the elastic potential energy of the connecting wire 2 connected to the connecting cylinder 6 is converted into kinetic energy, driving the connecting cylinder 6 to move to the right side of the clamping cylinder 3 within the clamping cylinder 3. The housing 17 is provided with a cartridge that communicates with the right end of the clamping cylinder 3. A cover plate is installed on the cartridge. By opening the cover plate, the connecting cylinder 6 can be removed. Compared with the traditional method that requires disassembling the ligator to remove the connecting cylinder 6, this embodiment is more convenient.

[0037] Compared with existing technologies, the advantages of this embodiment are: the connecting line 2 is automatically fixed by automatically engaging with the connecting cylinder 6, which replaces the traditional manual fixing method, avoids the cumbersome operation caused by manual fixing, significantly shortens the surgical preparation time, thereby improving surgical efficiency, reducing the difficulty of operation, increasing surgical safety, and improving the effectiveness of the surgery.

[0038] Example 2:

[0039] This utility model also discloses an electric banding device, including the locking structure of the loop 1 in Embodiment 1. This design makes the electric banding device more convenient and efficient to use.

[0040] Based on the above-described preferred embodiments of this utility model, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the technical concept of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. A collar locking structure for locking and fixing a collar (1), wherein the collar (1) is connected to a connecting wire (2), characterized in that: Includes a snap-fit ​​sleeve (3), which is driven by a handle (4) on the ligator to move axially along the sleeve (5); The end of the connecting line (2) is fixedly connected to a connecting tube (6); When the snap-fit ​​cylinder (3) moves toward the collar (1), it automatically snaps into the connecting cylinder (6).

2. The collar locking structure according to claim 1, characterized in that: The outer wall of the connecting cylinder (6) is provided with a shoulder (7), and the plane of the shoulder (7) faces the collar (1); The end of the snap-fit ​​cylinder (3) is provided with elastic snap teeth (8) for snapping into the shoulder (7).

3. The collar locking structure according to claim 2, characterized in that: The end of the snap-fit ​​tube (3) is provided with a radial through slot (9); The portion between adjacent slots (9) forms a chuck (10); The locking teeth (8) are located on the inner side of the locking claws (10).

4. The collar locking structure according to claim 3, characterized in that: The inner wall of the end of the snap-fit ​​cylinder (3) is provided with a protruding snap ring; The inner side of the retaining ring is chamfered and forms a flared structure; The retaining ring forms retaining teeth (8) under the action of the groove (9).

5. The collar locking structure according to claim 1, characterized in that: The inner wall of the connecting cylinder (6) is provided with a locking platform (12); the end face of the locking platform (12) faces away from the collar (1); The end of the connecting line (2) is knotted to form a knot, which is then engaged with the locking plate (12).

6. The collar locking structure according to claim 5, characterized in that: A plug (13) is inserted into the end of the connecting cylinder (6) facing away from the collar (1).

7. The collar locking structure according to claim 1, characterized in that: The handle (4) is hinged to a connecting rod (14) and a drive rod (15) at its opening and closing ends. The driving end of the driving rod (15) is engaged with the tail of the snap-fit ​​cylinder (3).

8. The collar locking structure according to claim 7, characterized in that: The tail of the snap-fit ​​cylinder (3) is provided with a U-shaped slot (16) with the opening facing the sleeve (5) and snap-fitting the sleeve (5); A limiting plate (18) is provided on the housing (17) of the bandage; The tail of the snap-fit ​​tube (3) is positioned between the limiting plate (18) and the sleeve (5).

9. The collar locking structure according to claim 8, characterized in that: The tail of the snap-fit ​​tube (3) is provided with an elongated oval limiting groove (19); The sleeve (5) is provided with a limiting rod (20) with a snap-fit ​​limiting groove (19).

10. An electric ligation device, characterized in that: Includes the ring locking structure as described in any one of claims 1-9.

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