CN219397458U - Ureteral grasping forceps with unilateral opening and closing function - Google Patents

Abstract

The utility model relates to the technical field of medical appliances and discloses a unilateral open-close ureteral grasping forceps which comprises a handle and a forceps head component, wherein a connecting part is connected between the handle and the forceps head component, the forceps head component comprises a cup seat, one end of the cup seat is fixedly connected with the connecting part, a forceps claw is hinged on the cup seat, the end part of the forceps claw is fixedly connected with a traction rope, and one end of the traction rope, which is far away from the cup seat, is positioned at the handle. According to the ureteral forceps, the unilateral opening and closing mode is adopted, when stones are grasped, the non-opening and closing sides of the ureteral forceps are attached to the wall of the ureter, and only the other side forceps jaws of the ureteral forceps are opened, so that the stones are grasped, and therefore adverse events such as ureteral wall damage and perforation caused by bilateral simultaneous opening and closing of the conventional ureteral forceps are avoided.

Description

Ureteral grasping forceps with unilateral opening and closing function

Technical Field

The utility model relates to the technical field of medical instruments, in particular to ureteral grasping forceps capable of being opened and closed on one side.

Background

Ureteral calculus is a common and frequently encountered disease of urinary surgery, and is mostly subjected to calculus incarceration and hydrops, so that the ureteral calculus is obstructed and infected, and the renal function of a patient is seriously affected, so that the ureteral calculus is widely valued in clinic. In the conventional operation, a doctor enters ureter through an endoscope, opens the ureter forceps at a calculus part, and takes out the ureter forceps after grasping the calculus.

In ureteral grasping forceps in the prior art, for example, patent application number cn201922453536.X discloses a ureteral soft lens lithotomy forceps, which comprises a handle, a forceps body and forceps jaws, wherein the handle comprises a first handle and a second handle which are oppositely arranged, the front side surfaces of the first handle and the second handle are hinged, and the front end surface of the first handle is connected with an extension part; the clamp body is made of flexible materials capable of being freely bent, one end of the clamp body is connected with the left side of the extension part, an accommodating channel is formed in the clamp body, one end of the accommodating channel penetrates through the other end of the clamp body, the other end of the accommodating channel penetrates through the right side surface of the extension part, a sliding stay rope is arranged in the accommodating channel, and one end of the stay rope is connected with the front end of the second handle; the clamp claw comprises two claw bodies which are oppositely arranged, one ends of the two claw bodies are respectively hinged with the end face of the other end of the clamp body, an elastic sheet is connected between the inner surfaces of the two clamp bodies, and the other end of the pull rope is connected with the middle part of the right side face of the elastic sheet.

The stone forceps in the prior art are convenient and stable in stone taking and high in stone taking efficiency; however, since the ureteral calculus is mostly attached to the wall of the ureter, and the ureter below the ureteral calculus is prolonged, distorted and narrowed, when the ureteral grasper which is opened and closed on the two sides conventionally in the prior art is used for grasping the ureteral calculus, the mucous membrane of the ureteral wall is easily damaged, and the adverse events such as perforation of the ureteral wall are also easily caused.

Disclosure of Invention

Therefore, the utility model aims to provide the ureteral grasping forceps capable of opening and closing on one side, and the unilateral opening and closing mode is adopted, so that when a calculus is grasped, the non-opening and closing side of the ureteral grasping forceps is attached to the wall of the ureter, and only the other side forceps claw of the ureteral grasping forceps is opened, so that the calculus is grasped, and therefore, the adverse events such as ureteral wall damage, perforation and the like caused by bilateral simultaneous opening and closing of the conventional ureteral grasping forceps are avoided.

The utility model solves the technical problems by the following technical means:

the utility model provides a unilateral ureteral grasping forceps that opens and shuts, includes handle and binding clip subassembly, be connected with connecting portion between handle and the binding clip subassembly, the binding clip subassembly includes the cup, the one end and the connecting portion fixed connection of cup, articulated on the cup have the claw, the tip fixedly connected with haulage rope of claw, the one end that the cup was kept away from to the haulage rope is located the handle department.

Further, the handle is provided with a sliding handle in a sliding manner, and one end, far away from the clamp claws, of the traction rope is fixedly connected with the sliding handle. According to the technical scheme, the sliding handle is utilized to push and pull the clamp claw through the traction rope, so that the clamp claw is opened and closed, and the clamp claw is more convenient to use.

Further, a rotating wheel is arranged between the connecting part and the handle, one end of the rotating wheel is fixedly connected with the connecting part, and the other end of the rotating wheel is rotationally connected with the handle. According to the setting of the technical scheme, the rotating wheel can be rotated, the rotating wheel is adjusted to enable the clamp head assembly to rotate through the rotation of the connecting portion, the clamp head assembly is utilized more conveniently to accurately position and clamp stones, and the operation is more convenient.

Further, be provided with axial spout on the handle, the gliding setting of slip handle is on the handle of spout department, the one end that the cup was kept away from to the haulage rope is gliding in proper order passes connecting portion, runner and handle, wears out from spout department and slip handle fixed connection. The setting of this technical scheme for the haulage rope is whole to be located hidden position, uses more convenient.

Further, one end of the handle far away from the connecting part is provided with a thumb ring, and the sliding handle is provided with an annular clamping groove. The setting of this technical scheme is when using, and medical staff can insert in the thumb is intra-annular, and forefinger and middle finger clamp are in annular centre gripping inslot, through push-and-pull slip handle, realize the slip of slip handle, and then realize the switching of binding clip subassembly, convenience very.

Further, the connecting portion is a spring tube, one end of the spring tube is fixedly connected with the cup seat, and the other end of the spring tube is fixedly connected with the rotating wheel. The spring tube of the technical scheme has certain elasticity, can be bent, and is convenient for positioning and clamping the stone by the clamp head assembly.

Further, a groove is formed in one side, close to the clamp claws, of the cup base. When the fine stones are clamped and taken out, the fine stones can be collected into the grooves of the cup holder through the clamp claws and then taken out.

Further, a through groove is formed in the bottom of the groove of the cup base, the clamp claw penetrates through the through groove, and a pin is arranged between the cup base and the clamp claw. The setting of this technical scheme at first realizes the articulated of claw on the cup, and moreover, such setting, alternates the claw on the logical groove on the cup on the rethread pin is articulated for whole binding clip subassembly's volume is littleer, more does benefit to the operation.

Further, the hauling rope is stainless steel wire, the one end and the slip handle fixed connection of stainless steel wire, the other end and the claw fixed connection of stainless steel wire. The stainless steel wire has certain hardness and is more rapid when pushing or pulling the clamp jaws.

The utility model has the beneficial effects that:

1. in the utility model, in the initial state, the cup seat and the clamp claw are in a closed state, and after reaching a ureteral calculus part through the endoscope, the cup seat is attached to the ureteral wall, and the sliding handle is pushed to drive the traction rope, so that the clamp claw is opened; after the jaw is positioned to the calculus, the sliding handle is pulled to drive the traction rope to enable the jaw and the cup seat to be closed, and the calculus is taken out from the patient after being clamped; in the whole process, a unilateral opening and closing mode is adopted, when stones are grabbed, the non-opening and closing sides of the ureter grabbing forceps are attached to the ureter wall, and the other side forceps jaws of the ureter grabbing forceps are only opened, so that the stones are grabbed, and therefore adverse events such as ureter wall damage and perforation caused by bilateral simultaneous opening and closing of the conventional ureter grabbing forceps are avoided.

2. The utility model can be operated by one hand and is very convenient; the clamp head assembly is compact in structure, the grooves are formed in the cup seat, and when fine stones are clamped and taken out, the fine stones can be collected into the grooves of the cup seat through the clamp claws and then taken out, so that the clamp is more practical.

Drawings

Fig. 1 is a schematic structural view of a ureteral grasper with single side opening and closing of the present utility model;

FIG. 2 is an elevational view of the binding clip assembly of FIG. 1;

fig. 3 is a top view of the binding clip assembly of fig. 1.

The novel multifunctional wrench comprises a handle 1, a sliding handle 2, a connecting part 3, a traction rope 4, a wrench head assembly 5, a rotating wheel 6, a thumb ring 7, a sliding chute 1-1, an annular clamping groove 2-1, a cup holder 5-1, wrench claws 5-2 and pins 5-3.

Detailed Description

The utility model will be described in detail below with reference to the attached drawings:

as shown in fig. 1 to 3, the ureteral grasping forceps with single-side opening and closing function in the embodiment comprises a handle 1 and a forceps head assembly 5, wherein a rotating wheel 6 and a connecting part 3 are arranged between the handle 1 and the forceps head assembly 5, the right end of the rotating wheel 6 is fixedly connected with the connecting part 3, the left end of the rotating wheel 6 is rotationally connected with the handle 1, and the connecting part 3 in the embodiment is a spring tube.

The clamp head assembly 5 comprises a cup seat 5-1, the left end of the cup seat 5-1 is fixedly connected with the connecting part 3, the clamp claw 5-2 is hinged to the cup seat 5-1, and a traction rope 4 is fixedly arranged at the end part of the clamp claw 5-2 in a penetrating manner, so that the clamp claw 5-2 can be pushed or pulled more quickly, and the traction rope 4 in the embodiment is a stainless steel wire; the cup seat 5-1 is provided with a groove near the upper side of the claw 5-2, the bottom of the groove of the cup seat 5-1 is provided with a through groove, the claw 5-2 passes through the through groove, and a pin 5-3 is arranged between the cup seat 5-1 and the claw 5-2.

The handle 1 is provided with a sliding handle 2 in a sliding manner, and one end of the traction rope 4, which is far away from the clamp claw 5-2, sequentially slides to pass through the connecting part 3, the rotating wheel 6 and the handle 1 to be fixedly connected with the sliding handle 2; the handle 1 is provided with an axial chute 1-1, the sliding handle 2 is arranged on the handle 1 at the chute 1-1 in a sliding way, and the traction rope 4 is fixedly connected with the sliding handle 2 on the handle 1 at the chute 1-1. The left end of the handle 1 is integrally formed with a thumb ring 7, and the sliding handle 2 is provided with an annular clamping groove 2-1.

The application method of the utility model is as follows:

when the utility model is used, medical staff can insert the thumb of one hand into the thumb ring 7, and the index finger and the middle finger are clamped in the annular clamping groove 2-1; in the initial state, the cup holder 5-1 and the clamp claw 5-2 are in a closed state, after reaching a ureteral calculus position through an endoscope, the cup holder 5-1 is attached to the ureteral wall, and the sliding handle 2 is pushed towards the connecting part 3 to drive the traction rope 4, so that the clamp claw 5-2 is opened.

After the jaw is positioned to the calculus, the sliding handle 2 is pulled towards the thumb direction to drive the traction rope 4 to enable the clamp claw 5-2 and the cup seat 5-1 to be closed, the calculus is taken out from the patient after being clamped, and if the fine calculus is taken out through clamping, the fine calculus can be collected into the groove of the cup seat 5-1 through the clamp claw 5-2 and then taken out; in the whole process, a unilateral opening and closing mode is adopted, when stones are grabbed, the non-opening and closing sides of the ureter grasping forceps are attached to the ureter wall, and only the other side forceps claw 5-2 of the ureter grasping forceps is opened, so that stones are grabbed, and therefore adverse events such as ureter wall damage and perforation caused by bilateral simultaneous opening and closing of the conventional ureter grasping forceps are avoided.

The above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model. The technology, shape, and construction parts of the present utility model, which are not described in detail, are known in the art.

Claims (9)

1. Ureteral grasping forceps with single side opening and closing function comprises a handle and a forceps head assembly, and is characterized in that: the pliers comprise a handle, a pliers head assembly, a pliers claw, a traction rope and a handle, wherein the connecting portion is connected between the handle and the pliers head assembly, the pliers head assembly comprises a cup seat, one end of the cup seat is fixedly connected with the connecting portion, the pliers claw is hinged to the cup seat, the end portion of the pliers claw is fixedly connected with the traction rope, and one end, far away from the cup seat, of the traction rope is located at the handle.

2. The unilaterally-opened ureteral grasping forceps according to claim 1, wherein: the handle is provided with a sliding handle in a sliding manner, and one end, far away from the clamp claws, of the traction rope is fixedly connected with the sliding handle.

3. The unilaterally-opened ureteral grasping forceps according to claim 2, wherein: a rotating wheel is arranged between the connecting part and the handle, one end of the rotating wheel is fixedly connected with the connecting part, and the other end of the rotating wheel is rotationally connected with the handle.

4. A unilaterally-opened ureteral grasping forceps according to claim 3, characterized in that: the handle is provided with an axial chute, the sliding handle is arranged on the handle at the chute in a sliding mode, one end of the haulage rope, far away from the cup seat, sequentially slides to penetrate through the connecting part, the rotating wheel and the handle, and penetrates out of the chute to be fixedly connected with the sliding handle.

5. The unilaterally-opened ureteral grasping forceps according to claim 4, wherein: the one end that the handle was kept away from connecting portion is provided with the thumb ring, be provided with annular clamping groove on the slip handle.

6. The unilaterally-opened ureteral grasping forceps according to claim 5, wherein: the connecting part is a spring tube, one end of the spring tube is fixedly connected with the cup seat, and the other end of the spring tube is fixedly connected with the rotating wheel.

7. The unilaterally-opened ureteral grasping forceps according to claim 6, wherein: a groove is formed in one side, close to the clamp claws, of the cup base.

8. The unilaterally-opened ureteral grasping forceps according to claim 7, wherein: the bottom of the groove of the cup seat is provided with a through groove, the clamp claw penetrates through the through groove, and a pin is arranged between the cup seat and the clamp claw.

9. The unilaterally-opened ureteral grasping forceps according to any of claims 1-7, wherein: the hauling rope is a stainless steel wire.