CN213372322U

CN213372322U - Two-way grasping forceps for digestive endoscopy

Info

Publication number: CN213372322U
Application number: CN202021052280.8U
Authority: CN
Inventors: 覃刚; 吴莉莉; 申小丽
Original assignee: Suining First People's Hospital
Current assignee: Suining First People's Hospital
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2021-06-08
Anticipated expiration: 2030-06-10

Abstract

The utility model discloses a bidirectional grasping forceps for digestive endoscopy, which comprises a sheath tube body, a cross connecting rod, a steering piece, a first steering stay cord, a second steering stay cord and a third stay cord, wherein the cross connecting rod is in a cross shape, and the left end and the right end of the cross connecting rod are rotationally connected with the lower end of the sheath tube body; the front end and the rear end of the cross connecting rod are both rotationally connected with the upper end of the steering piece, and the steering piece is provided with a first cross rod; the first cross rod is rotatably connected with a grasping forceps, the grasping forceps comprise a left forceps and a right forceps, a spring is connected between the left forceps and the right forceps and is in a stretching state, two ends of a third pull rope are respectively connected to the left forceps and the right forceps, and the third pull rope can control the opening and closing of the grasping forceps; the first steering pull rope is used for controlling the cross connecting rod to rotate back and forth, and the second steering pull rope is used for controlling the steering piece to rotate left and right. The technical scheme of the utility model can realize that the nipper is to not equidirectional pivoted function, has solved the very inconvenient technical problem of nipper centre gripping side tissue operation.

Description

Two-way grasping forceps for digestive endoscopy

Technical Field

The utility model relates to the field of medical equipment, especially, relate to a two-way nipper is used to digestive endoscopy.

Background

Perforation of the alimentary tract is one of the most common surgical emergencies that can be life threatening if the patient is not treated in a timely manner. At present, the treatment mode adopted for the alimentary canal perforation is mainly that an endoscope is matched with a metal clip, the situation of the perforation position is observed through the endoscope, then the metal clip is used for clipping the tissues near the wound surface, and the perforation position is closed by adopting the technologies such as a nylon ring ligation device and the like.

Chinese patent (publication No. CN208193144U) discloses a bidirectional grasping forceps for a digestive endoscope, which comprises a sheath tube body with a hollow structure, a pull ring, a flexible pull rod, a bracket, an air exhaust device and a main air tube, wherein the flexible pull rod and the air tube are both arranged in the hollow interior of the sheath tube body, and the main air tube is connected with the air exhaust device; the bottom end of the sheath tube body is connected with an installation seat, a first suction rod and a second suction rod are rotatably connected in the installation seat, the first suction rod and the second suction rod are both connected with a main air pipe through a branch air pipe, and the first suction rod and the second suction rod are connected through a support; the support comprises a left support, a right support and a rotating shaft, the left support and the right support can rotate around the rotating shaft, and the rotating shaft is connected with the pull ring through a flexible pull rod; the front end of the first suction rod is provided with a first suction head, the front end of the second suction rod is provided with a second suction head, the first suction head is provided with a first suction surface, the second suction head is provided with a second suction surface, and the first suction surface and the second suction surface are inclined surfaces; the first suction surface and the second suction surface are both provided with a plurality of micro suction holes.

Although the above-mentioned solution can clamp the tissue near the perforation, the device can only clamp the tissue right in front, and the tissue at the perforation on the side is difficult to clamp, and the operation is very inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can centre gripping side tissue's device. In order to realize the purpose, the technical scheme of the utility model is as follows:

a bidirectional grasping forceps for a digestive endoscope comprises a sheath tube body, a cross connecting rod, a steering piece, a first steering pull rope, a second steering pull rope and a third pull rope, wherein the cross connecting rod is in a cross shape, and the left end and the right end of the cross connecting rod are rotatably connected with the lower end of the sheath tube body; the front end and the rear end of the cross connecting rod are rotatably connected with the upper end of a steering piece, and the steering piece is provided with a first cross rod; the first cross rod is rotatably connected with a grasping forceps which comprises a left forceps and a right forceps, a spring is connected between the left forceps and the right forceps and is in a stretching state, two ends of a third pull rope are respectively connected to the left forceps and the right forceps, and the third pull rope can control the opening and closing of the grasping forceps; the two ends of the first steering pull rope are connected to the cross connecting rod and can control the cross connecting rod to rotate back and forth, and the two ends of the second steering pull rope are connected to the steering piece and can control the steering piece to rotate left and right.

The cross connecting rod can be controlled to drive the steering piece to rotate back and forth through the first steering pull rope, the second steering pull rope can directly drive the steering piece to rotate left and right, and the grasping forceps can rotate towards different directions on the side surface through the combination of the steering piece and the cross connecting rod in the front, back, left and right rotating modes; the spring that is in the tensile state always can guarantee that left pincers and right pincers keep the clamping state under the circumstances that does not receive external force, can avoid scratching human tissue when the nipper gets into patient internally, adopt opening and the function that can also realize the self-holding patient tissue of third stay cord and spring cooperation control nipper, the stability of clamping dynamics can be guaranteed to the clamping dynamics through predetermineeing the spring, avoided causing the injury to patient because of the doctor exerts oneself excessively, can also avoid can't carrying the tissue that needs the centre gripping because of the dynamics is not enough, can alleviate doctor's working strength simultaneously.

Further, this internal first hose, second hose and the third hose of being provided with of sheath pipe, first stay cord, second stay cord and the third stay cord that turns to turn to pass first hose, second hose and third hose respectively.

The first steering pull rope, the second steering pull rope and the third pull rope are respectively arranged in different hoses, so that the situation that the operation is influenced by mutual winding of the pull ropes after multiple uses can be avoided.

Furthermore, sheath body top integrated into one piece has the second horizontal pole, the both ends of first stay cord, second stay cord and third stay cord that turn to are located the both sides of second horizontal pole respectively, the interlude is located the top of second horizontal pole.

Through setting up the second horizontal pole, the both ends that first turn to stay cord, second turn to stay cord and third stay cord are located the both sides of second horizontal pole respectively, can avoid first turn to stay cord, second turn to inside stay cord and the third stay cord wholly fall into sheath pipe body, are difficult to take out.

Furthermore, the top ends of the first hose, the second hose and the third hose are fixed on the lower surface of the second cross rod, and the first hose, the second hose and the third hose are fixedly connected in pairs. Can avoid first hose, second hose and third hose to rock in sheath pipe body is inside, influence doctor's operation.

Furthermore, the surfaces of the left clamp and the right clamp for clamping are provided with anti-skid patterns. The tissue clamped in the clamping process can be effectively prevented from being separated from the nippers by arranging the anti-slip patterns.

Compared with the prior art, the scheme has the following beneficial effects:

by adopting the bidirectional grasping forceps for the digestive endoscope, the tissues on the side surfaces can be grasped by the grasping forceps through the first steering pull rope and the second steering pull rope, the operation is simple, the tissues of a patient are grasped by spring force, the grasping is stable and reliable, and the working strength of a doctor can be reduced.

Drawings

FIG. 1 is a diagram of an assembly structure according to an embodiment of the present invention;

fig. 2 is an exploded view of the sheath body, the cross link and the steering member according to the embodiment of the present invention;

in the figure: 1. a sheath body; 2. a cross-shaped connecting rod; 3. a steering member; 31. a first cross bar 4, a nipper; 5. a spring; 11. a second cross bar.

Detailed Description

The following is further detailed by the specific embodiments:

the two-way grasper for a digestive endoscope as shown in fig. 1 and 2 comprises a sheath tube body 1, a cross-shaped connecting rod 2, a steering member 3, a first steering pull rope, a second steering pull rope and a third pull rope. The lower end of the sheath tube body 1 is provided with two bulges which are arranged in bilateral symmetry, the top end of the sheath tube body 1 is integrally formed with a second cross rod 11 which is positioned inside and is horizontal, the lower side of the second cross rod 11 is adhered with a first hose, a second hose and a third hose which are equal in length and are in a vertical state, the first hose, the second hose and the third hose are adhered together in pairs, the lower ends of the first hose, the second hose and the third hose are positioned above the cross-shaped connecting rod 2, the cross-shaped connecting rod 2 is in a cross shape, and the left end and the right end of the cross-shaped connecting rod 2 are hinged with the lower end of the sheath tube body 1; the front end and the rear end of the cross connecting rod 2 are hinged with the upper end of a steering piece 3, the upper end of the steering piece 3 is provided with two bulges which are symmetrically arranged front and back, a first cross rod 31 positioned inside is integrally formed on the steering piece 3, a left clamp and a right clamp of a grasping clamp 4 are hinged on the first cross rod 31, anti-skid patterns are arranged on the surfaces of the left clamp and the right clamp for clamping tissues, the side surface of the left clamp opposite to the right clamp is connected with a spring 5, and the spring 5 is in a stretching state. One end of a first turning pull rope is adhered to the rear end of the cross connecting rod 2, and the free end of the first turning pull rope passes through the first hose, then bypasses the second cross rod, then passes through the first hose and is adhered to the front end of the cross connecting rod 2; one end of a second steering pull rope 7 is adhered to the inner wall of the left side of the steering piece 3, the free end of the second steering pull rope passes through the second hose and then bypasses the second cross rod, then passes through the second hose from the upper end of the second hose and finally is adhered to the inner wall of the right side of the steering piece 3, the left clamp is adhered to one end of a third pull rope, and the free end of the third pull rope passes through the third hose and bypasses the second cross rod 11, then passes through the third hose and is adhered to the right clamp.

The specific principle of the utility model is as follows:

when operating, if the tissue of fixed nipper side of needs centre gripping, only need stimulate first turn to stay cord 6 alright stimulate cross connecting rod 2 and drive and turn to 3 and nipper 4 front and back and rotate, stimulate the second and turn to stay cord 7 and can stimulate and turn to 3 and drive nipper 4 and rotate about, turn to stay cord 7 through the first turn to stay cord 6 of simultaneous pulling and second and alright realize nipper 4 and rotate to each direction of side. When the grasping forceps 4 are rotated to the correct position, the grasping forceps 4 are opened only by pulling the third pull rope 8, then the grasping forceps 4 are close to the tissue to be grasped, and the tissue can be clamped by loosening the third pull rope 8, and the spring 5 can enable the grasping forceps 4 to stably clamp the tissue all the time without keeping the force state of an operator all the time.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The utility model provides a two-way nipper is used to digestion scope, includes sheath pipe body (1), its characterized in that: the sheath pipe is characterized by further comprising a cross connecting rod (2), a steering piece (3), a first steering pull rope, a second steering pull rope and a third pull rope, wherein the cross connecting rod (2) is in a cross shape, and the left end and the right end of the cross connecting rod (2) are rotatably connected with the lower end of the sheath pipe body (1); the front end and the rear end of the cross connecting rod (2) are rotatably connected with the upper end of a steering piece (3), and the steering piece (3) is provided with a first cross rod (31); the first cross rod (31) is rotatably connected with a grasping forceps (4), the grasping forceps (4) comprise a left forceps and a right forceps, a spring (5) is connected between the left forceps and the right forceps, the spring (5) is in a stretching state, two ends of a third pull rope are respectively connected to the left forceps and the right forceps, and the third pull rope can control the grasping forceps (4) to open and close; two ends of the first steering rope are connected to the cross connecting rod (2) and can control the cross connecting rod (2) to rotate back and forth, and two ends of the second steering rope are connected to the steering piece (3) and can control the steering piece (3) to rotate left and right.

2. The bi-directional grasper for a digestive endoscope according to claim 1, wherein: the sheath tube is characterized in that a first hose, a second hose and a third hose are arranged in the sheath tube body (1), and the first steering pull rope (6), the second steering pull rope (7) and the third pull rope (8) respectively penetrate through the first hose, the second hose and the third hose.

3. The bi-directional grasper for a digestive endoscope according to claim 2, wherein: the sheath body (1) top integrated into one piece has second horizontal pole (11), the both ends of first stay cord (6), second stay cord (7) and third stay cord (8) turn to are located the both sides of second horizontal pole (11) respectively, and the interlude is located the top of second horizontal pole (11).

4. The bi-directional grasper for a digestive endoscope according to claim 3, wherein: the top ends of the first hose, the second hose and the third hose are fixed on the lower surface of the second cross rod (11), and the first hose, the second hose and the third hose are fixedly connected in pairs.

5. The bi-directional grasper for a digestive endoscope according to claim 1, wherein: the surfaces of the left clamp and the right clamp for clamping are provided with anti-skid patterns.