CN217723594U

CN217723594U - Medical polyp excises snare

Info

Publication number: CN217723594U
Application number: CN202220824024.9U
Authority: CN
Inventors: 江乐阳; 马力; 李明
Original assignee: Beijing Zksk Technology Co ltd
Current assignee: Beijing Zksk Technology Co ltd
Priority date: 2022-04-11
Filing date: 2022-04-11
Publication date: 2022-11-04
Anticipated expiration: 2032-04-11

Abstract

The utility model discloses a medical polyp excision snare, which comprises a housin, the both sides inner wall of casing all rotates through the pivot and is connected with the gear, the gear is the symmetric distribution, two the same pole of accomodating of relative one side outer wall fixedly connected with of gear, the both sides outer wall of casing all is provided with the rectangle mouth, the rectangle mouth is the symmetric distribution, the inner wall sliding connection of rectangle mouth has the rectangular block, two the relative one side outer wall fixedly connected with fixed plate of rectangular block, the bottom outer wall of fixed plate is provided with spacing tooth, spacing tooth is the symmetric distribution, spacing tooth meshes with the gear mutually, the opposite side outer wall fixedly connected with dactylotheca of rectangular block. The utility model discloses a set up the fixed plate, when excising polyp, drive the fixed plate through the dactylotheca and move backward, accomodate the pole and rotate, and then make the shrink of snare rope, accomplish the excision to polyp, do not need connecting wire at the in-process of operation, the doctor's of being convenient for more operation.

Description

Medical polyp excises snare

Technical Field

The utility model relates to a snare technical field especially relates to a medical polyp excision snare.

Background

A snare is an instrument for ligating blood vessels, polyps or other duct structures by tightening a sliding knot tied in advance with an absorbable or synthetic thread with a nylon rod, is convenient to operate, and is applied to various laparoscopic abdominal operations.

However, most of the snares in the prior art are driven by electric power, and when polyps are cut off, electric wires need to be connected, so that the operation of a doctor is inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a medical polyp excision snare to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a medical polyp excision snare, includes the casing, the both sides inner wall of casing all is connected with the gear through the pivot rotation, the gear is the symmetric distribution, two the same pole of accomodating of relative one side outer wall fixedly connected with of gear, the both sides outer wall of casing all is provided with the rectangle mouth, the rectangle mouth is the symmetric distribution, the inner wall sliding connection of rectangle mouth has the rectangle piece, two the relative one side outer wall fixedly connected with fixed plate of rectangle piece, the bottom outer wall of fixed plate is provided with spacing tooth, spacing tooth is the symmetric distribution, spacing tooth meshes with the gear mutually, the opposite side outer wall fixedly connected with dactylotheca of rectangle piece, the outer wall of casing is provided with the flexible tube, the inner wall of flexible tube is pegged graft and is had the snare rope, the both ends of snare rope all with accomodate pole fixed connection, the inside of flexible tube is provided with stop gear.

Preferably, the limiting mechanism comprises an electric push rod, the electric push rod is fixedly connected with the inner wall of the flexible pipe, one end of a piston rod of the electric push rod is fixedly connected with a pull rope, one end of the pull rope is fixedly connected with a piston, the piston is matched with the inner wall of the flexible pipe, and the piston is connected with the loop rope in an inserting mode.

Preferably, the outer wall of the bottom of the shell is provided with a hand rest.

Preferably, the inner wall of the finger stall is provided with a plurality of anti-skidding blocks, and the anti-skidding blocks are made of rubber.

Preferably, one side inner wall of the shell is provided with a first hole, the inner wall of the first hole is inserted with a limiting rod, and one end of the limiting rod is fixedly connected with the fixing plate.

Preferably, the inner wall of one side of the shell is fixedly connected with springs which are symmetrically distributed, and one ends of the two springs are fixedly connected with the fixing plate.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model has the advantages that the fixed plate is arranged, when polyps are cut off, the fixed plate is driven to move backwards through the finger sleeves, the containing rod is rotated by the limiting teeth through the gear, the snare rope is further contracted, the polyps are cut off, electric wires are not required to be connected in the operation process, and the operation of doctors is more convenient;

2. the utility model discloses a set up stop gear, will feel the meat excision back, electric putter passes through the stay cord and pulls the piston backward along the inner wall of flexible pipe, and then produces suction, and the polyp after utilizing the suction that produces to excise is spacing, and then avoids the polyp to break away from in the intestinal at the in-process of pulling out.

Drawings

Fig. 1 is a schematic view of the overall structure proposed by the present invention;

fig. 2 is a schematic structural view of a fixing plate according to the present invention;

fig. 3 is a schematic view of a piston structure according to the present invention.

In the figure: 1. a housing; 2. a flexible tube; 3. looping a rope; 4. a rectangular opening; 5. a hand rest; 6. finger sleeves; 7. a spring; 8. a limiting rod; 9. a fixing plate; 10. a rectangular block; 11. a gear; 12. a limit tooth; 13. a storage rod; 14. anti-skid blocks; 15. an electric push rod; 16. a piston; 17. and pulling a rope.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-3, in the embodiment of the present invention, a medical polyp excising snare, including a housing 1, both side inner walls of the housing 1 are all connected with a gear 11 through rotating a rotating shaft, the gear 11 is symmetric distribution, one side outer wall of two relative gears 11 is fixedly connected with the same accommodating rod 13, both side outer walls of the housing 1 are all provided with a rectangular opening 4, the rectangular opening 4 is symmetric distribution, the inner wall of the rectangular opening 4 is slidably connected with a rectangular block 10, one side outer wall of two relative rectangular blocks 10 is fixedly connected with a fixed plate 9, the bottom outer wall of the fixed plate 9 is provided with a limit tooth 12, the limit tooth 12 is symmetric distribution, the limit tooth 12 is engaged with the gear 11, the other side outer wall of the rectangular block 10 is fixedly connected with a finger stall 6, the outer wall of the housing 1 is provided with a flexible tube 2, the inner wall of the flexible tube 2 is inserted with a loop rope 3, both ends of the loop rope 3 are all fixedly connected with the accommodating rod 13, the inside of the flexible tube 2 is provided with a limit mechanism, when a polyp is excised, the polyp is not needed by a doctor operating the finger stall 6.

Further, stop gear includes electric putter 15, electric putter 15 and the inner wall fixed connection of flexible pipe 2, and electric putter 15's piston rod one end fixedly connected with stay cord 17, the one end fixedly connected with piston 16 of stay cord 17, piston 16 and flexible pipe 2's inner wall looks adaptation, piston 16 pegs graft with snare rope 3 mutually, utilizes stop gear to carry on spacingly to the polyp after the excision, and then reaches the effect of being convenient for take out the polyp.

Further, the outer wall of the bottom of the shell 1 is provided with a hand support 5, and the shell 1 is held more stably by an operator through the hand support 5.

Further, the inner wall of the finger stall 6 is provided with a plurality of anti-skidding blocks 14, the anti-skidding blocks 14 are made of rubber, and the anti-skidding blocks 14 are utilized to achieve an anti-skidding effect, so that an operator can operate the finger stall more stably.

Furthermore, a hole I is formed in the inner wall of one side of the shell 1, a limiting rod 8 is inserted into the inner wall of the hole I, one end of the limiting rod 8 is fixedly connected with the fixing plate 9, and the limiting rod 8 is utilized to achieve a limiting effect on the movement of the fixing plate 9.

Further, one side inner wall fixedly connected with spring 7 of casing 1, spring 7 are the symmetric distribution, and the one end and the fixed plate 9 fixed connection of two springs 7 make operating personnel when the operation through spring 7, avoid fixed plate 9 to move too easily, and influence the operation to make the snare rope can become lax automatically after taking out the polyp, be convenient for take out the polyp.

The utility model discloses a theory of operation is:

stretch the position that needs the polyp with flexible tube 2, utilize snare rope 3 to entangle the polyp that needs the excision, utilize dactylotheca 6 to stimulate fixed plate 9 backward, spacing tooth 12 drives gear 11 and rotates, two gears 11 drive and accomodate pole 13 and rotate, and then make snare rope 3 reduce gradually, and then the excision of will breathing out, it is spacing to utilize the polyp after stop gear will excise, and then will breathe out the flesh, loosen dactylotheca 6 after taking out, under the effect of spring 7, snare rope 3 becomes lax, will breathe out the flesh and take off, place at the assigned position, need not to connect the electric wire at whole operation in-process, the doctor's operation of being convenient for more.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a medical polypectomy snare, includes casing (1), its characterized in that, the both sides inner wall of casing (1) all rotates through the pivot and is connected with gear (11), gear (11) are the symmetric distribution, two the same holding rod (13) of the relative one side outer wall fixedly connected with of gear (11), the both sides outer wall of casing (1) all is provided with rectangle mouth (4), rectangle mouth (4) are the symmetric distribution, the inner wall sliding connection of rectangle mouth (4) has rectangular block (10), two the relative one side outer wall fixedly connected with fixed plate (9) of rectangular block (10), the bottom outer wall of fixed plate (9) is provided with spacing tooth (12), spacing tooth (12) are the symmetric distribution, spacing tooth (12) mesh with gear (11), the opposite side outer wall fixedly connected with dactylotheca (6) of rectangular block (10), the outer wall of casing (1) is provided with flexible tube (2), the grafting of flexible tube (2) has snare rope (3), the both ends of snare rope (3) all with holding rod (13) fixed connection, the inside of flexible tube (2) is provided with spacing mechanism.

2. A medical polypectomy snare according to claim 1, wherein the position limiting mechanism comprises an electric push rod (15), the electric push rod (15) is fixedly connected with the inner wall of the flexible tube (2), one end of a piston rod of the electric push rod (15) is fixedly connected with a pull rope (17), one end of the pull rope (17) is fixedly connected with a piston (16), the piston (16) is matched with the inner wall of the flexible tube (2), and the piston (16) is inserted into the snare rope (3).

3. A medical polypectomy snare according to claim 1, wherein a hand rest (5) is provided on the bottom outer wall of the housing (1).

4. A medical polypectomy snare according to claim 1, wherein a plurality of anti-slipping blocks (14) are disposed on an inner wall of the finger cuff (6), and the anti-slipping blocks (14) are made of rubber.

5. A medical polypectomy snare according to claim 1, wherein a first hole is formed in an inner wall of one side of the housing (1), a limiting rod (8) is inserted into the inner wall of the first hole, and one end of the limiting rod (8) is fixedly connected with the fixing plate (9).

6. A medical polypectomy snare according to claim 1, wherein springs (7) are fixedly connected to an inner wall of one side of the housing (1), the springs (7) are symmetrically distributed, and one ends of the two springs (7) are fixedly connected to a fixing plate (9).