A laparoscopic forceps that is not prone to slipping

Abstract

The present invention patent discloses a laparoscopic forceps that is not prone to slipping, specifically relating to the technical field of medical instruments. It includes an oval-shaped frame with an opening at one end. A first sliding groove is opened on the side of the frame opposite to the opening. Two parallel clamping rods are slidably connected in the first sliding groove. One end of the two clamping rods is commonly connected with a limiting hemisphere located outside the first sliding groove. A limiting rod is slidably connected to each clamping rod. Second sliding grooves that are slidably connected with the limiting rods are symmetrically opened on the frame. A locking structure is provided between one end of each clamping rod close to the opening of the frame and the opening end. The locking structure is used to keep the relative position between the opening end of the frame and the corresponding clamping rod unchanged. The technical solution of the present invention solves the problems that the clamping effect of traditional bulldog clamps is not good and there is a risk of accidentally injuring other anatomical structures in the abdominal cavity, and can provide a stable clamping effect during the operation.

Description

Technical Field

[0001] The present invention relates to the technical field of medical instruments, and particularly relates to a laparoscopic forceps that is not prone to slipping off. Background Art

[0002] Traditional bulldog clamps have the advantages of convenient operation, less occupied space, hardly affecting the surgical field of view, and good fixing effect without loosening during conventional surgical operations. However, in larger surgeries (such as liver transplantation), their clamping effect is often poor, and there is a risk of loosening during the clamping process. When their clamping effect is not good, multiple bulldog clamps are often required to clamp simultaneously, which increases the occupied space and affects the surgical field of view; and because one end is relatively sharp, there is a risk of accidentally injuring other anatomical structures in the abdominal cavity. Summary of the Invention

[0003] The present invention aims to provide a laparoscopic forceps that is not prone to slipping off, solving the problems that the traditional bulldog clamps have a poor clamping effect and there is a risk of accidentally injuring other anatomical structures in the abdominal cavity.

[0004] To achieve the above object, the technical solution of the present invention is as follows: A laparoscopic forceps that is not prone to slipping off, including an oval frame with an opening at one end. A first sliding groove is opened on the side of the frame opposite to the opening. Two parallel clamping rods are slidably connected in the first sliding groove. One ends of the two clamping rods are commonly connected with a limiting hemisphere located outside the first sliding groove. A limiting rod is slidably connected to each clamping rod. Second sliding grooves for slidably connecting the limiting rods are symmetrically opened on the frame. A locking structure is provided between one end of each clamping rod close to the opening of the frame and the opening end. The locking structure is used to keep the relative position between the opening end of the frame and the corresponding clamping rod unchanged.

[0005] Further, the locking structure includes a connecting sleeve ball-jointed at the opening of the frame and a threaded rod ball-jointed on the corresponding clamping rod. A threaded cylinder threadedly connected to the threaded rod is slidably connected in the connecting sleeve. A spring is connected between the threaded cylinder and the connecting sleeve.

[0006] Further, the locking structure includes a connecting sleeve ball-jointed at the opening of the frame and a connecting rod ball-jointed on the corresponding clamping rod. A first magnet is slidably connected in the connecting sleeve. A spring is connected between the first magnet and the connecting sleeve. A second magnet that attracts the first magnet is embedded at the free end of the connecting rod.

[0007] Through the above settings, the relative positions of the two clamping rods can be made not to change with the help of the locking structure, enhancing the stability of the present solution.

[0008] Further, an elastic band is connected between the two threaded rods or connecting rods.

[0009] Through the above settings, the closure of this solution can be achieved, enhancing the clamping effect of this solution.

[0010] Furthermore, the frame is made of medical rubber.

[0011] Through the above settings, by virtue of the elasticity of the frame itself, this product can also have the function of an intrauterine device.

[0012] Compared with the prior art, the beneficial effects of this solution are as follows:

[0013] This solution has a low space occupancy rate and does not affect the surgical field of view;

[0014] This solution is convenient to operate and can be used flexibly under a laparoscope;

[0015] This solution adopts a closed-loop structure, with firm fixation and not easy to slip off;

[0016] This solution has no sharp ends and causes less damage to the surrounding anatomical structures. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic structural diagram of a laparoscope forceps that is not easy to slip off in Embodiment 1;

[0018] Figure 2 is a schematic structural diagram of a laparoscope forceps that is not easy to slip off in Embodiment 2. DETAILED DESCRIPTION OF THE INVENTION

[0019] The present invention will be further described in detail below through specific embodiments:

[0020] The reference numerals in the accompanying drawings of the specification include: frame 1, first chute 2, clamping rod 3, limiting hemisphere 4, limiting rod 5, second chute 6, connecting sleeve 7, threaded rod 8, threaded cylinder 9, elastic band 10, connecting rod 11. Embodiment

[0021] As shown in the attached... Figure 1 : A laparoscope forceps that is not easy to slip off, including an oval frame 1 with an opening at the left end. The frame 1 is made of medical rubber. A first chute 2 penetrating the frame 1 is opened in the middle of the right side of the frame 1. Two parallel clamping rods 3 are slidably connected in the first chute 2. The right ends of the two clamping rods 3 are jointly connected with a limiting hemisphere 4 located on the right side of the first chute 2. A limiting rod 5 is slidably connected to each clamping rod 3. A third chute for the limiting rod 5 to slide is opened on the corresponding side of each clamping rod 3. Second chutes 6 slidably connected to the limiting rod 5 are symmetrically opened on the frame 1 at the corresponding positions of each third chute, the clamping rod 3, and the limiting rod 5.

[0022] A locking structure is provided between one end of each clamping rod 3 near the opening of the frame 1 and the corresponding end at the opening. The locking structure is used to keep the relative positions of the opening end of the frame 1 and the corresponding clamping rod 3 unchanged. The locking structure includes a connecting sleeve 7 ball-jointed at the opening of the frame 1 and a threaded rod 8 ball-jointed on the corresponding clamping rod 3. A threaded cylinder 9 threadedly connected to the threaded rod 8 is slidably connected inside the connecting sleeve 7. A spring is connected between the threaded cylinder 9 and the connecting sleeve 7. An elastic band 10 is connected between the two threaded rods 8, and one end of the elastic band 10 is wrapped and adhered to the upper threaded rod 8.

[0023] The working process of this solution:

[0024] When the device is working, take the free end of the elastic band 10 off the lower threaded rod 8, and then insert the corresponding blood vessel into it through the gap between the opening and the two clamping rods 3. During the process of the blood vessel entering, in order to avoid this solution interfering with other blood vessels, the direction can be adjusted by sliding the two clamping rods 3 and the two limiting rods 5, so that the two clamping rods 3 can slide in the first chute 2, and the two limiting rods 5 can slide between the second chute 6 and the third chute. After the positions of the two clamping rods 3 are adjusted, put the free end of the elastic band 10 onto the lower threaded rod 8, and then connect each threaded rod 8 to the corresponding threaded cylinder 9, so as to realize the limit fixation of the clamping rod 3. Through the relative sliding of the threaded cylinder 9 and the connecting cylinder, the adjustment range of this solution is increased, and the adjustment difficulty is reduced, and finally the closed-loop clamping function of this solution is realized. Embodiment

[0025] As shown in the appendix Figure 2 It is shown that the difference between this embodiment and Embodiment 1 is only that: the locking structure includes a connecting sleeve 7 ball-jointed at the opening of the frame 1 and a connecting rod 11 ball-jointed on the corresponding clamping rod 3. A first magnet is slidably connected inside the connecting sleeve 7. A spring is connected between the first magnet and the connecting sleeve 7. A second magnet attracted to the first magnet is embedded at the left end of each connecting rod 11, and a pin shaft is inserted between the two connecting rods 11.

[0026] The operation process of this embodiment is the same as that of Embodiment 1. In this embodiment, through the magnetic connection method, the operation is simpler and more efficient.

[0027] The above are only the embodiments of the present invention. Common general knowledge such as specific structures and / or characteristics in the solution is not described in detail here. It should be pointed out that for those skilled in the art, without departing from the structure of the present invention, several deformations and improvements can still be made, and these should also be regarded as the protection scope of the present invention, and these will not affect the implementation effect of the present invention and the practicality of the patent. The protection scope required by this application should be based on the content of its claims, and the specific implementation manners and the like recorded in the specification can be used to interpret the content of the claims.

Claims

1. A laparoscopic forceps that is not prone to slippage, characterized in that: It includes an oval frame with one end open. A first sliding groove is formed on the side of the frame opposite to the opening. Two parallel clamping rods are slidably connected in the first sliding groove. One end of the two clamping rods is commonly connected with a limiting hemisphere located outside the first sliding groove. A limiting rod is slidably connected to each clamping rod. Second sliding grooves for slidably connecting the limiting rods are symmetrically formed on the frame. A locking structure is provided between one end of each clamping rod close to the opening of the frame and the opening end. The locking structure is used to keep the relative position between the opening end of the frame and the corresponding clamping rod unchanged; The locking structure includes a connecting sleeve ball-jointed at the opening of the frame and a threaded rod ball-jointed on the corresponding clamping rod. A threaded cylinder threadedly connected with the threaded rod is slidably connected in the connecting sleeve. A spring is connected between the threaded cylinder and the connecting sleeve; Or the locking structure includes a connecting sleeve ball-jointed at the opening of the frame and a connecting rod ball-jointed on the corresponding clamping rod. A first magnet is slidably connected in the connecting sleeve. A spring is connected between the first magnet and the connecting sleeve. A second magnet attracting the first magnet is embedded at the free end of the connecting rod; The frame is made of medical rubber.

2. The endoscopic forceps that are not prone to slipping as described in claim 1, wherein: An elastic band is connected between the two threaded rods or connecting rods.

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