Clamping forceps for endoscopic surgery

Abstract

The utility model relates to the technical field of clamping forceps for endoscopic surgery, in particular to clamping forceps for endoscopic surgery, which comprise a core rod main body and a rotating head, a rod head is fixedly mounted at the top of the core rod main body, a sliding groove is formed in the core rod main body, a pressing block is connected in the sliding groove in a sliding manner, and the rotating head is connected with the pressing block in a sliding manner. A spring is fixedly installed on the surface of the pressing block, an inhaul cable is fixedly installed on the side, away from the spring, of the pressing block, a tong head is fixedly installed at the end of the inhaul cable, and a nut is rotationally connected to the surface of the rotating head. According to the utility model, when the core rod main body rotates, the core rod main body drives the screw cap to rotate on the rotating handle, so that when the inhaul cable rotates, the outer pipe cannot be driven to twist, the operation convenience is provided, the screw cap is rotated, the screw cap is loosened from the bottom of the core rod main body, and then the rotating head is separated from the core rod main body; therefore, the appearance can be disassembled and assembled by personnel, and the personnel can maintain the appearance conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of endoscopic surgery clamping forceps, in particular to a pair of endoscopic surgery clamping forceps. Background Art

[0002] At present, endoscopic examinations such as gastroscopy and colonoscopy are commonly used clinical examination methods because they can visually observe lesions in the gastrointestinal area. During the endoscopic examination, doctors often use biopsy forceps to first use an endoscope to directly reach the patient's body with the biopsy forceps, and then use cutting, clamping or puncturing methods to remove a certain amount of diseased tissue from the patient's body for pathological examination. A clear histopathological diagnosis can be made for most of the cases submitted for examination. This examination method is the most convenient and efficient way to obtain pathological diagnosis of diseased tissues inside the human body. Therefore, biopsy forceps are widely used in clinical endoscopic examinations. Publication No.: CN216455116U discloses a sampling forceps, including a clamp head assembly, a pull rod assembly and a handle. The clamp head assembly includes a clamp head and a clamp head seat. The pull rod assembly includes an outer tube, a control line that runs through the outer tube and is connected to the handle, and a control rod sleeved in the clamp head seat. The distal end of the control rod is connected to the clamp head for linkage control to control the opening and closing of the clamp head. The distal end of the control line is movably connected to the proximal end of the control rod. The sampling forceps provided by the present application solve the technical problems of the existing sampling forceps being laborious to operate and not smooth to open and close. However, when the above technology is used, since the outer tube itself is a rotatable hose, the hose drives the clamp head to rotate together, but in actual application, it is impossible to operate in the endoscope clamp channel to make the outer tube reach the set rotation angle, which is not conducive to personnel operation. At the same time, after long-term use, it is not convenient for personnel to maintain and replace the outer tube, so it needs to be improved. Utility Model Content

[0003] The purpose of the utility model is to solve the technical problems raised in the above background technology.

[0004] The utility model adopts the following technical scheme: a clamping forceps for endoscopic surgery, comprising a core rod main body and a rotating head, a rod head is fixedly installed on the top of the core rod main body, a sliding groove is opened inside the core rod main body, a pressing block is slidably connected inside the sliding groove, a spring is fixedly installed on the surface of the pressing block, a pulling cable is fixedly installed on the side of the pressing block away from the spring, a clamp head is fixedly installed on the end of the pulling cable, a nut is rotatably connected on the surface of the rotating head, an outer tube is fixedly installed on the end of the rotating head away from the nut, the nut is threadedly connected to the bottom end of the core rod main body, a fixing sleeve is fixedly installed on the surface of the outer tube, and the clamp head and the fixing sleeve are rotatably connected.

[0005] Preferably, a paddle is fixedly mounted on the surface of the nut, and the paddle is symmetrically distributed on the surface of the nut, so that the operator can rotate the nut more easily, thereby improving the convenience and accuracy of the operation.

[0006] Preferably, the cable runs through the core rod body and the rotating head, and is located inside the outer tube, so that the cable can transmit power more directly and effectively, thereby increasing the operational flexibility and stability of the sampling forceps.

[0007] Preferably, the connection between the outer tube and the rotating head is configured as a retractable hose, so that when the nut is turned, the rotating handle moves backward under the action of the retractable hose, thereby preventing the rotating handle from driving the outer tube and the sampling forceps to be over-extruded.

[0008] Preferably, a mounting frame is fixedly mounted at the bottom of the core rod body, and one end of the spring away from the pressing block is fixedly connected inside the mounting frame. Here, a fixing point is provided for the spring and the pressing block, the stability of the overall structure is enhanced, and the reliability of the spring force and rebound performance is ensured.

[0009] Preferably, a joint is fixedly installed at the bottom of the core rod body, a bump is fixedly installed at the top of the core rod body, the joint is threadedly connected inside the bump, and a limit sleeve is sleeved on the surface of the bump. Here, it is helpful for personnel to disassemble and assemble the rod head and the core rod body, and it is convenient for personnel to maintain and replace the spring and the pressing block inside the core rod body, avoiding personnel directly replacing the entire core rod body.

[0010] Preferably, a limiting groove is provided inside the limiting sleeve, a limiting block is fixedly mounted on the surface of the protrusion, and the limiting block slides inside the limiting groove. Here, it is helpful to improve the firmness between the rod head and the core rod body, and at the same time, the cooperation between the limiting block and the limiting groove prevents the limiting sleeve from being offset, which affects the normal use of the clamping forceps.

[0011] Compared with the prior art, the advantages and positive effects of the utility model are:

[0012] 1. In the utility model, by setting the rod head, pressing block, spring, rotating head and nut structure, when the core rod body is rotated, the core rod body drives the nut to rotate on the rotating handle, so that when the cable rotates, it will not cause the outer tube to twist, providing convenience for operation. The nut is rotated to loosen the nut from the bottom of the core rod body, and then the rotating head is disengaged from the core rod body, so that personnel can disassemble and assemble the appearance, which is convenient for personnel to perform maintenance.

[0013] 2. In the utility model, by providing a joint, a limit sleeve, a protrusion, a limit block and a limit groove structure, the rod head can be rotated so that the rod head drives the joint to loosen from the inside of the protrusion, and the rod head and the core rod body can be separated, which is convenient for personnel to maintain and replace the spring and the pressing block inside the core rod body, avoiding personnel directly replacing the entire core rod body. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A schematic diagram of a clamping forceps for endoscopic surgery is provided for the utility model;

[0015] Figure 2 The utility model provides an exploded view of a core rod body of a clamp for endoscopic surgery;

[0016] Figure 3 The utility model provides a cross-sectional view of a core rod body of a clamping forceps for endoscopic surgery;

[0017] Figure 4 The utility model provides an exploded view of a rod head and a core rod body of a clamping forceps for endoscopic surgery.

[0018] Legend:

[0019] 1. Core rod body; 2. Rod head; 3. Slide groove; 4. Press block; 5. Spring; 6. Cable; 7. Rotating head; 8. Nut; 9. Pick; 10. Outer tube; 11. Retractable hose; 12. Fixing sleeve; 13. Clamp head; 14. Bump; 15. Limit sleeve; 16. Connector; 17. Mounting frame; 18. Limit groove; 19. Limit block. DETAILED DESCRIPTION

[0020] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0022] Embodiment 1

[0023] See also Figure 1-4The utility model provides a technical solution: a clamping forceps for endoscopic surgery, including a core rod body 1 and a rotating head 7, a rod head 2 is fixedly installed on the top of the core rod body 1, a slide groove 3 is opened inside the core rod body 1, a pressing block 4 is slidably connected inside the slide groove 3, a spring 5 is fixedly installed on the surface of the pressing block 4, a mounting frame 17 is fixedly installed on the bottom of the core rod body 1, one end of the spring 5 away from the pressing block 4 is fixedly connected inside the mounting frame 17, a fixing point is provided for the spring 5 and the pressing block 4, the stability of the overall structure is enhanced, and the reliability of the strength and rebound performance of the spring 5 is ensured, a cable 6 is fixedly installed on the side of the pressing block 4 away from the spring 5, a clamp head 13 is fixedly installed on the end of the cable 6, a nut 8 is rotatably connected to the surface of the rotating head 7, a paddle 9 is fixedly installed on the surface of the nut 8, and the paddle 9 are symmetrically distributed on the surface of the nut 8, so that the operator can rotate the nut 8 more easily, improving the convenience and accuracy of operation. An outer tube 10 is fixedly installed at the end of the rotating head 7 away from the nut 8, and the connection between the outer tube 10 and the rotating head 7 is set as a retractable hose 11, so that when the nut 8 is rotated, the rotating handle moves backward under the action of the retractable hose 11, avoiding excessive squeezing of the outer tube 10 and the sampling forceps caused by the rotating handle. The nut 8 is threadedly connected to the bottom end of the core rod body 1, and a fixed sleeve 12 is fixedly installed on the surface of the outer tube 10, and the clamp head 13 is rotatably connected to the fixed sleeve 12. The cable 6 runs through the core rod body 1 and the rotating head 7, and the cable 6 is inside the outer tube 10, so that the force transmission of the cable 6 is more direct and effective, increasing the operational flexibility and stability of the sampling forceps.

[0024] Embodiment 2

[0025] See also Figure 4 A joint 16 is fixedly installed at the bottom of the core rod body 1, and a protrusion 14 is fixedly installed on the top of the core rod body 1. The joint 16 is threadedly connected to the inside of the protrusion 14, and a limiting sleeve 15 is sleeved on the surface of the protrusion 14, which is helpful for personnel to disassemble and assemble the rod head 2 and the core rod body 1, and convenient for personnel to maintain and replace the spring 5 and the pressing block 4 inside the core rod body 1, avoiding personnel from directly replacing the core rod body 1 as a whole. A limiting groove 18 is provided inside the limiting sleeve 15, and a limiting block 19 is fixedly installed on the surface of the protrusion 14. The limiting block 19 slides inside the limiting groove 18, which helps to improve the firmness between the rod head 2 and the core rod body 1. At the same time, the cooperation between the limiting block 19 and the limiting groove 18 can avoid the deviation of the limiting sleeve 15 and affect the normal use of the clamping forceps.

[0026] Working principle: When using the clamping forceps, hold the core rod body 1 in one hand and the rotating handle in the other hand, and press the pressing block 4 upward to make the pressing block 4 slide inside the slide groove 3. At the same time, the pressing block 4 squeezes the spring 5. At this time, the pressing block 4 drives the cable 6 to pull upward, so that the force on the cable 6 is transmitted to the clamp head 13, thereby realizing the closure of the sampling clamp head 13. When the core rod body 1 is rotated, the core rod body 1 drives the cable 6 on the pressing block 4 to rotate inside the outer tube 10. Due to the rotational connection between the nut 8 and the rotating head 7, the core rod body 1 can drive the nut 8 to rotate on the rotating head 7, so that the cable 6 is inside the outer tube 10. When the lever 2 is rotated, the outer tube 10 will not be driven to rotate together, so as to avoid the outer tube 10 from twisting and affecting the normal use of the clamping forceps. By turning the paddle 9, the paddle 9 drives the nut 8 to rotate, so that the nut 8 is loosened from the bottom of the core rod body 1, and then the rotating head 7 is disengaged from the core rod body 1, so that personnel can disassemble and assemble the appearance, which is convenient for personnel to carry out maintenance. By rotating the rod head 2, the rod head 2 drives the joint 16 to loosen from the inside of the protrusion 14, and the rod head 2 can be disassembled from the core rod body 1, which is convenient for personnel to maintain and replace the spring 5 and the pressing block 4 inside the core rod body 1, and avoids personnel directly replacing the entire core rod body 1.

[0027] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A clamp for endoscopic surgery, comprising a core rod body (1) and a rotating head (7), characterized in that: A rod head (2) is fixedly installed on the top of the core rod body (1), a slide groove (3) is opened inside the core rod body (1), a pressing block (4) is slidably connected inside the slide groove (3), a spring (5) is fixedly installed on the surface of the pressing block (4), a pull cable (6) is fixedly installed on the side of the pressing block (4) away from the spring (5), a clamp head (13) is fixedly installed on the end of the pull cable (6), a nut (8) is rotatably connected to the surface of the rotating head (7), an outer tube (10) is fixedly installed on the end of the rotating head (7) away from the nut (8), the nut (8) is threadedly connected to the bottom end of the core rod body (1), a fixing sleeve (12) is fixedly installed on the surface of the outer tube (10), and the clamp head (13) is rotatably connected to the fixing sleeve (12).

2. The endoscopic surgical clamp according to claim 1, characterized in that: The surface of the nut (8) is fixedly mounted with paddles (9), and the paddles (9) are symmetrically distributed on the surface of the nut (8).

3. The endoscopic surgical clamp according to claim 1, characterized in that: The cable (6) passes through the core rod body (1) and the rotating head (7), and the cable (6) is located inside the outer tube (10).

4. The endoscopic surgical grasping forceps according to claim 1, characterized in that: The connection between the outer tube (10) and the rotating head (7) is provided as a retractable hose (11).

5. The endoscopic surgery grasping forceps according to claim 1, characterized in that: A mounting frame (17) is fixedly mounted on the bottom of the core rod body (1), and one end of the spring (5) away from the pressing block (4) is fixedly connected inside the mounting frame (17).

6. The endoscopic surgery grasping forceps according to claim 1, characterized in that: A joint (16) is fixedly mounted on the bottom of the core rod body (1), a protrusion (14) is fixedly mounted on the top of the core rod body (1), the joint (16) is threadedly connected to the inside of the protrusion (14), and a limiting sleeve (15) is sleeved on the surface of the protrusion (14).

7. The endoscopic surgery grasping forceps according to claim 6, characterized in that: A limiting groove (18) is provided inside the limiting sleeve (15), a limiting block (19) is fixedly mounted on the surface of the protrusion (14), and the limiting block (19) slides inside the limiting groove (18).

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