Puncture gripper for laparoscope

Abstract

The utility model belongs to the technical field of medical instruments, and particularly discloses a puncture gripper for a laparoscope. The device comprises an outer sheath, a convex ring is arranged at one end of the outer sheath, and a clamping component is arranged in the outer sheath; the clamping component comprises a handle, one end of the handle penetrates through one side of the outer sheath and extends into the outer sheath, the outer diameter of one end of the handle is larger than the inner diameter of the convex ring, a pair of clamping forceps is arranged at the end, away from the handle, in the outer sheath, the handle is used for driving the clamping forceps to conduct rapid clamping, and a limiting groove is formed in the end, close to the clamping forceps, of the handle. A connecting rod is fixedly connected into the limiting groove, a target object can be rapidly clamped through the clamping component, the operation efficiency is improved, the clamping accuracy is ensured, misoperation is avoided, automatic clamping is achieved through rebound of an internal spring, medical staff do not need to keep the same action after clamping, manpower is saved, and the working efficiency is improved. And the clamping stability can be ensured.

Description

Technical Field

[0001] The present application relates to the technical field of medical devices, and more specifically, to a laparoscopic puncture grasper. Background Art

[0002] Laparoscopic cholecystectomy is a minimally invasive surgery that uses laparoscopic technology and a laparoscopic operating system to remove the gallbladder. Three small incisions of 0.5-1 cm are made in the abdomen, and the cystic artery and cystic duct are clamped using a laparoscope. The gallbladder is then removed after being separated from the liver and taken out through the specimen bag through the umbilical incision.

[0003] After laparoscopic cholecystectomy, the gallbladder needs to be clamped out, and a rat-tooth gripper is generally used to clamp it out. However, the medical staff's hands need to maintain one movement when clamping it out with the rat-tooth gripper, otherwise it will fall, thus affecting the progress of the operation, prolonging the operation time and increasing the risk of complications, which will affect the patient's postoperative recovery and increase the risk of bleeding, infection, etc. Utility Model Content

[0004] In order to solve the above problems, the present application provides a laparoscopic puncture grasper.

[0005] The present application provides a laparoscopic puncture grasper that adopts the following technical solution:

[0006] A puncture grasper for laparoscope comprises an outer sheath, one end of the outer sheath is provided with a convex ring, and the inner part of the outer sheath is provided with a clamping component;

[0007] The clamping component includes a handle, one end of which passes through one side of the outer sheath and extends to the inside of the outer sheath. The outer diameter of one end of the handle is larger than the inner diameter of the convex ring. A clamping clamp is provided at the end of the inner part of the outer sheath away from the handle. The handle is used to drive the clamping clamp for quick clamping.

[0008] Furthermore, a limiting groove is provided at one end of the handle close to the clamping pliers, a connecting rod is fixedly connected inside the limiting groove, a limiting plate is fixedly connected inside the outer sheath, a sliding hole is provided inside the limiting plate, the connecting rod passes through the limiting plate and is slidably connected to the sliding hole, a spring is fixedly connected to one side of the limiting plate, a spring is fixedly connected to one side of the limiting groove, and the spring is sleeved on the outer wall of the connecting rod.

[0009] Furthermore, the number of clamping clamps is set to two, the connecting rod passes through one end of the limit plate and is rotatably connected to the two clamping clamps, the inner wall of the outer sheath is rotatably connected to support rods on both sides, and sliding grooves are opened on both sides of the two clamping clamps, and a slider is slidably connected inside each sliding groove, and each slider is rotatably connected to one end of the corresponding support rod.

[0010] Furthermore, a plurality of rat-tooth clamps are provided on one side of the two clamping pliers, and each rat-tooth clamp is arranged in a staggered manner.

[0011] Through the above technical solution, the target object can be quickly clamped by the clamping component.

[0012] Furthermore, a non-slip pad is provided on one side of the handle, and a convex pattern is provided on the surface of the non-slip pad.

[0013] Through the above technical solution, the friction force can be increased and the operation is convenient.

[0014] Furthermore, a sheath opening is provided at one end of the outer sheath away from the convex ring, and the sheath opening is arranged obliquely.

[0015] In summary, the present application includes at least one of the following beneficial technical effects:

[0016] The utility model can realize fast clamping of the target object through the clamping component, improve the operation efficiency, ensure the accuracy of clamping, avoid misoperation, and realize automatic clamping through the rebound of the internal spring. The medical staff does not need to keep the same action after clamping, which saves manpower and can ensure the stability of clamping. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a cross-sectional view of the overall structure of the outer sheath of the utility model;

[0019] Figure 3 For this utility model Figure 2 A magnified view of the structure at A.

[0020] Explanation of the accompanying drawings: 1. outer sheath; 2. handle; 3. convex ring; 4. limit groove; 5. connecting rod; 6. limit plate; 7. spring; 8. clamping forceps; 9. support rod; 10. slide groove; 11. slider; 12. rat tooth clamp; 13. sheath mouth. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application; obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application without making creative work are within the scope of protection of the present application.

[0022] Reference Figure 1-Figure 3 , a laparoscopic puncture grasper, comprising an outer sheath 1, a convex ring 3 is provided at one end of the outer sheath 1, and a clamping component is provided inside the outer sheath 1;

[0023] The clamping component includes a handle 2, one end of which passes through one side of the outer sheath 1 and extends to the inside of the outer sheath 1. The outer diameter of one end of the handle 2 is larger than the inner diameter of the convex ring 3. A clamping clamp 8 is provided at the end of the inner part of the outer sheath 1 away from the handle 2. The handle 2 is used to drive the clamping clamp 8 for quick clamping.

[0024] Reference Figure 2 and Figure 3 A limiting groove 4 is provided at one end of the handle 2 near the clamping clamp 8, and a connecting rod 5 is fixedly connected inside the limiting groove 4, and a limiting plate 6 is fixedly connected inside the outer sheath 1. A sliding hole is provided inside the limiting plate 6, and the connecting rod 5 passes through the limiting plate 6 and is slidably connected to the sliding hole. A spring 7 is fixedly connected to one side of the limiting plate 6, and a spring 7 is fixedly connected to one side of the limiting groove 4. The spring 7 is sleeved on the outer wall of the connecting rod 5. The number of clamping clamps 8 is set to two, and one end of the connecting rod 5 passes through the limiting plate 6 and is rotatably connected to the two clamping clamps 8. Support rods 9 are rotatably connected on both sides of the inner wall of the outer sheath 1. Slide grooves 10 are provided on both sides of the two clamping clamps 8, and a slider 11 is slidably connected inside each slide groove 10. Each slider 11 is rotatably connected to one end of the corresponding support rod 9, and a plurality of rat tooth clamps 12 are provided on one side of the two clamping clamps 8, and each rat tooth clamp 12 is staggered.

[0025] The clamping component can realize fast and accurate clamping of the target object. The specific operation method is that when clamping is needed after resection, the medical staff pushes the handle 2 into the outer sheath 1. After the handle 2 is pushed, the connecting rod 5 will be driven to move, and the spring 7 will be compressed. At this time, the two clamping clamps 8 will drive the two clamping clamps 8 to rotate to both sides due to the action of the support rods 9 on both sides. When the angle between the two clamping clamps 8 is 30°, the movement is stopped. At this time, the handle 2 is just in contact with one side of the convex ring 3. When it contacts the gallbladder, the handle 2 is loosened by hand. Through the rebound of the internal spring 7, the two clamping clamps 8 will retract into the outer sheath 1. At this time, the angle of the two clamping clamps 8 will become smaller until the original bite state is restored, thereby realizing fast clamping of the target object, improving operating efficiency, ensuring the accuracy of clamping, avoiding misoperation, and realizing automatic clamping through the rebound of the internal spring 7. Medical staff do not need to keep the same action after clamping, saving manpower, and ensuring the stability of clamping.

[0026] Reference Figure 1 A non-slip pad is provided on one side of the handle 2, and a convex pattern is provided on the surface of the non-slip pad. A sheath opening 13 is provided at one end of the outer sheath 1 away from the convex ring 3, and the sheath opening 13 is inclined.

[0027] The provision of the anti-slip pad can increase the friction of the handle 2 , making it easier for the operator to operate the handle 2 .

[0028] It should be noted that, in the present invention, the length of the puncture grasper is 18 cm, the outer diameter of the outer sheath 1 is 0.16 cm, the slope of the sheath opening is 30°, and the distance that the rat-tooth grasper extends out of the outer sheath 1 is 2 cm.

[0029] Working principle: when clamping is needed after resection, the medical staff pushes the handle 2 into the outer sheath 1. After the handle 2 is pushed, the connecting rod 5 will be driven to move, and the spring 7 will be compressed. At this time, the two clamping forceps 8 will be driven to rotate to both sides due to the action of the support rods 9 on both sides. When the angle between the two clamping forceps 8 is 30°, the movement is stopped. At this time, the distance between the two clamping forceps 8 extending out of the outer sheath 1 is 2cm, and the handle 2 just contacts one side of the convex ring 3. After contacting the gallbladder, the handle 2 is released by hand. Through the rebound of the internal spring 7, the two clamping forceps 8 will retract into the outer sheath 1. At this time, the angle of the two clamping forceps 8 will become smaller until the original bite state is restored, thereby realizing rapid clamping of the target object.

[0030] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A laparoscopic puncture grasper, comprising an outer sheath (1), characterized in that: A convex ring (3) is provided at one end of the outer sheath (1), and a clamping component is provided inside the outer sheath (1); The clamping component comprises a handle (2), one end of the handle (2) passes through one side of the outer sheath (1) and extends to the inside of the outer sheath (1), the outer diameter of the one end of the handle (2) is larger than the inner diameter of the convex ring (3), and a clamping clamp (8) is provided at the end of the inner part of the outer sheath (1) away from the handle (2), and the handle (2) is used to drive the clamping clamp (8) for quick clamping.

2. A laparoscopic puncture grasper according to claim 1, characterized in that: A limiting groove (4) is provided at one end of the handle (2) close to the clamping forceps (8); a connecting rod (5) is fixedly connected inside the limiting groove (4); a limiting plate (6) is fixedly connected inside the outer sheath (1); a sliding hole is provided inside the limiting plate (6); the connecting rod (5) passes through the limiting plate (6) and is slidably connected to the sliding hole; a spring (7) is fixedly connected to one side of the limiting plate (6); a spring (7) is fixedly connected to one side of the limiting groove (4); and the spring (7) is sleeved on the outer wall of the connecting rod (5).

3. A laparoscopic puncture grasper according to claim 2, characterized in that: The number of the clamping pliers (8) is set to two, one end of the connecting rod (5) passes through the limiting plate (6) and is rotatably connected to the two clamping pliers (8), both sides of the inner wall of the outer sheath (1) are rotatably connected to support rods (9), both sides of the two clamping pliers (8) are provided with sliding grooves (10), the interior of each sliding groove (10) is slidably connected to a slider (11), and each slider (11) is rotatably connected to one end of the corresponding support rod (9).

4. The laparoscopic puncture grasper according to claim 1, characterized in that: A plurality of rat-tooth clamps (12) are provided on one side of the two clamping pliers (8), and each of the rat-tooth clamps (12) is arranged in a staggered manner.

5. The laparoscopic puncture grasper according to claim 1, characterized in that: An anti-skid pad is provided on one side of the handle (2), and a convex pattern is provided on the surface of the anti-skid pad.

6. The laparoscopic puncture grasper according to claim 1, characterized in that: A sheath opening (13) is provided at one end of the outer sheath (1) away from the convex ring (3), and the sheath opening (13) is arranged in an inclined manner.

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