CN219645863U

CN219645863U - Bipolar electric snare

Info

Publication number: CN219645863U
Application number: CN202320855168.5U
Authority: CN
Inventors: 张超; 杜金德; 杨松涛
Original assignee: Jiangsu Ate Medical Technology Co ltd
Current assignee: Jiangsu Ate Medical Technology Co ltd
Priority date: 2023-04-18
Filing date: 2023-04-18
Publication date: 2023-09-08
Anticipated expiration: 2033-04-18

Abstract

The utility model discloses a bipolar electric snare, which relates to the technical field of electric snares and comprises a mounting piece, wherein a mounting barrel is fixedly mounted at one end of the mounting piece, and an on-off assembly is arranged on the inner wall of the mounting barrel; the on-off assembly comprises a connecting wire, a mounting frame, first contact pieces, first springs and second contact pieces, wherein the mounting frame is fixedly arranged at one end of the inner wall of the mounting cylinder, the first contact pieces are fixedly arranged at one end of the inner wall of the mounting frame, the plurality of first springs are fixedly arranged at one side of the inner wall of the mounting frame, the second contact pieces are fixedly arranged at one end of the first springs, and the connecting wire is fixedly arranged at one side of the first contact pieces; according to the technical scheme provided by the utility model, the second contact piece is contacted with the first contact piece, the connecting wire and the cutting rope form a passage to form a circuit reflux, the circuit is disconnected after the contact ring moves out of the range of the second contact piece, the circuit can be automatically electrified when the cutting is finished, and the circuit is automatically powered off after the cutting is finished, so that the operation is reduced, and the electric snare is more convenient to use.

Description

Bipolar electric snare

Technical Field

The utility model relates to the technical field of electric snares, in particular to a bipolar electric snares.

Background

The snare is an instrument for ligating a blood vessel, a polyp or other canal structure by tightening a sliding knot, which is previously tied with an absorbable or synthetic wire, with a nylon rod, and the electric snare is one of the snare, which adopts a metal wire, and forms a current loop under the condition of being energized, thereby achieving the effect of cutting the polyp.

When the bipolar electric snare is used, a high-frequency generator is arranged for supplying power, and the current needs to be manually switched on and off, so that the bipolar electric snare is complex in operation and can scald other tissues when not being closed in time.

Disclosure of Invention

The utility model aims to solve the technical problems of manual switching and complicated operation of the high-frequency generator current in the prior art by overcoming the defects of the prior art and providing a bipolar electric snare.

In view of the above, the present utility model provides a bipolar electric snare, comprising a mounting member, wherein one end of the mounting member is fixedly provided with a mounting cylinder, and the inner wall of the mounting cylinder is provided with an on-off assembly;

the on-off assembly comprises a connecting wire, a mounting frame, a first contact, a first spring and a second contact, wherein the mounting frame is fixedly installed at one end of the inner wall of the mounting cylinder, the first contact is fixedly installed at one end of the inner wall of the mounting frame, the first springs are fixedly installed at one side of the inner wall of the mounting frame, the second contact is fixedly installed at one end of the first spring, and the connecting wire is fixedly installed at one side of the first contact.

Optionally, the mounting member inner wall slidable mounting has the regulating part, regulating part one side fixed mounting has the connecting piece, connecting wire fixed mounting in connecting piece one end.

Optionally, a stop collar is fixedly installed on the inner wall of the installation cylinder, and the connecting line is located inside the stop collar.

Optionally, two lumen pipes are fixedly installed on the inner wall of the adjusting piece, one end of each lumen pipe is fixedly installed on one end of the inner wall of the adjusting piece, a cutting rope is installed on the inner wall of each lumen pipe, one end of each cutting rope is fixedly installed on one end of the connecting piece, and the other end of each cutting rope is fixedly installed on the inner wall of the adjusting piece.

Optionally, the outer wall of the installation cylinder is fixedly provided with a contact ring, the two cavity pipes and the cutting rope extend to one end of the installation cylinder, the contact ring extends to the inner wall of the installation cylinder, and the contact ring is fixedly arranged on the outer wall of the cutting rope.

Optionally, the second contact is slidably mounted on the inner wall of the mounting frame, and the limiting sleeve is located on one side of the mounting frame.

Optionally, mounting inner wall fixed mounting has a plurality of fixed frames, fixed frame inner wall fixed mounting has the second spring, second spring one end fixed mounting has the clamp plate, clamp plate slidable mounting in fixed frame inner wall, just connecting wire slidable mounting in fixed frame inner wall.

From the above technical solutions, the embodiment of the present utility model has the following advantages:

1. according to the bipolar electric snare, the second contact piece moves towards the first contact piece, the second contact piece is in contact with the first contact piece, the connecting wire and the cutting rope form a passage to form circuit reflux, cutting is carried out, after the contact ring moves out of the range of the second contact piece, the first spring supports the second contact piece to separate from the first contact piece, the circuit is disconnected, the electric energy can be automatically supplied when the cutting is finished, the electric energy is automatically disconnected after the cutting is finished, the operation is reduced, and the electric snare is more convenient to use.

According to the bipolar electric snare, the second spring supporting pressing plate presses the connecting wire on the inner wall of the mounting piece, so that the connecting wire can be well bundled, and the connecting wire is prevented from affecting the movement of the adjusting piece.

These features and advantages of the present utility model will be disclosed in detail in the following detailed description and the accompanying drawings.

Drawings

The utility model is further described with reference to the accompanying drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the mounting cylinder of the present utility model;

FIG. 3 is a cross-sectional view of a mounting member of the present utility model;

fig. 4 is an enlarged view of fig. 2 a in accordance with the present utility model.

Reference numerals illustrate: 1. a mounting member; 2. a mounting cylinder; 3. an adjusting member; 4. a connecting piece; 5. two lumen tubes; 6. cutting the rope; 7. a connecting wire; 8. a limit sleeve; 9. a first contact; 10. a mounting frame; 11. a first spring; 12. a second contact; 14. a contact ring; 15. a fixed frame; 16. and (5) pressing plates.

Detailed Description

The technical solutions of the embodiments of the present utility model will be explained and illustrated below with reference to the drawings of the embodiments of the present utility model, but the following embodiments are only preferred embodiments of the present utility model, and not all embodiments. Based on the examples in the implementation manner, other examples obtained by a person skilled in the art without making creative efforts fall within the protection scope of the present utility model.

A bipolar electrical snare according to an embodiment of the present utility model is described in detail below with reference to the drawings.

Example 1

For easy understanding, referring to fig. 1 to 4, an embodiment of a bipolar electric snare provided by the present utility model includes a mounting member 1, one end of the mounting member 1 is fixedly provided with a mounting cylinder 2, and an on-off assembly is provided on an inner wall of the mounting cylinder 2; the on-off assembly comprises a connecting wire 7, a mounting frame 10, a first contact piece 9, a first spring 11 and a second contact piece 12, wherein the mounting frame 10 is fixedly installed at one end of the inner wall of a mounting cylinder 2, the first contact piece 9 is fixedly installed at one end of the inner wall of the mounting frame 10, a plurality of first springs 11 are fixedly installed at one side of the inner wall of the mounting frame 10, the second contact piece 12 is fixedly installed at one end of the first spring 11, the connecting wire 7 is fixedly installed at one side of the first contact piece 9, an adjusting piece 3 is slidably installed at the inner wall of the mounting piece 1, a connecting piece 4 is fixedly installed at one end of the connecting wire 7, a contact ring 14 is fixedly installed at the outer wall of the mounting cylinder 2, two cavities of tubes 5 and a cutting rope 6 extend to one end of the mounting cylinder 2, the contact ring 14 extends to the inner wall of the mounting cylinder 2, and the contact ring 14 is fixedly installed at the outer wall of the cutting rope 6.

In this example, the power supply is performed by installing an external high-frequency generator in the connector 4.

When the electric snare is used, the cutting rope 6 is positioned at a proper position, at the moment, the contact ring 14 is positioned at one end of the mounting cylinder 2, the pulling adjusting piece 3 drives the cutting rope 6 to be pulled backwards, when the contact ring 14 moves to the second contact piece 12, the second contact piece 12 is pressed to enable the second contact piece 12 to move towards the first contact piece 9, the second contact piece 12 is in contact with the first contact piece 9, the connecting wire 7 and the cutting rope 6 form a passage to form circuit reflux to cut, after the contact ring 14 moves out of the range of the second contact piece 12, the first spring 11 supports the second contact piece 12 to be separated from the first contact piece 9, the circuit is disconnected, automatic power-on can be realized when the cutting is completed, the operation is reduced, and the electric snare is more convenient to use.

In some embodiments, as shown in fig. 2, the inner wall of the mounting cylinder 2 is fixedly provided with a stop collar 8, the connecting wire 7 is positioned inside the stop collar 8, the inner wall of the adjusting member 3 is fixedly provided with two cavity pipes 5, one end of each cavity pipe 5 is fixedly arranged at one end of the inner wall of the adjusting member 3, the inner wall of each cavity pipe 5 is provided with a cutting rope 6, one end of each cutting rope 6 is fixedly arranged at one end of the connecting member 4, the other end of each cutting rope 6 is fixedly arranged at the inner wall of the adjusting member 3, the second contact member 12 is slidably arranged at the inner wall of the mounting frame 10, and the stop collar 8 is positioned at one side of the mounting frame 10.

It should be noted that, through setting up two lumen pipes 5 and playing the effect of protection cutting rope 6 and preventing cutting rope 6 rear end contact human body, protect connecting wire 7 through setting up stop collar 8.

Example 2

In some embodiments, as shown in fig. 3, the inner wall of the mounting member 1 is fixedly provided with a plurality of fixing frames 15, the inner wall of the fixing frame 15 is fixedly provided with a second spring, one end of the second spring is fixedly provided with a pressing plate 16, the pressing plate 16 is slidably mounted on the inner wall of the fixing frame 15, and the connecting wire 7 is slidably mounted on the inner wall of the fixing frame 15.

The second spring supports the pressing plate 16 to press the connecting wire 7 on the inner wall of the mounting member 1, so that the connecting wire 7 can be well converged, and the connecting wire 7 is prevented from affecting the movement of the adjusting member 3.

Working principle: when the electric snare is used, the cutting rope 6 is positioned at a proper position, at the moment, the contact ring 14 is positioned at one end of the mounting cylinder 2, the pulling adjusting piece 3 drives the cutting rope 6 to be pulled backwards, when the contact ring 14 moves to the second contact piece 12, the second contact piece 12 is pressed, the second contact piece 12 moves towards the first contact piece 9, the second contact piece 12 contacts with the first contact piece 9, a connecting wire 7 and the cutting rope 6 form a passage, a circuit reflux is formed, cutting is carried out, and after the contact ring 14 moves out of the range of the second contact piece 12, the first spring 11 supports the second contact piece 12 to be separated from the first contact piece 9, and the circuit is disconnected.

The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. A bipolar electrical snare, characterized by: the device comprises a mounting piece (1), wherein a mounting cylinder (2) is fixedly mounted at one end of the mounting piece (1), and an on-off assembly is arranged on the inner wall of the mounting cylinder (2);

the on-off assembly comprises a connecting wire (7), a mounting frame (10), a first contact (9), a first spring (11) and a second contact (12), wherein the mounting frame (10) is fixedly installed at one end of the inner wall of the mounting cylinder (2), the first contact (9) is fixedly installed at one end of the inner wall of the mounting frame (10), the first springs (11) are fixedly installed at one side of the inner wall of the mounting frame (10), the second contact (12) is fixedly installed at one end of the first spring (11), and the connecting wire (7) is fixedly installed at one side of the first contact (9).

2. A bipolar electrical snare according to claim 1, wherein: the device is characterized in that an adjusting piece (3) is slidably mounted on the inner wall of the mounting piece (1), a connecting piece (4) is fixedly mounted on one side of the adjusting piece (3), and a connecting wire (7) is fixedly mounted at one end of the connecting piece (4).

3. A bipolar electrical snare according to claim 1, wherein: the inner wall of the mounting cylinder (2) is fixedly provided with a limit sleeve (8), and the connecting wire (7) is positioned inside the limit sleeve (8).

4. A bipolar electrical snare according to claim 2, wherein: two cavity pipes (5) are fixedly arranged on the inner wall of the adjusting piece (3), one end of each cavity pipe (5) is fixedly arranged at one end of the inner wall of the adjusting piece (3), a cutting rope (6) is arranged on the inner wall of each cavity pipe (5), one end of each cutting rope (6) is fixedly arranged at one end of the connecting piece (4), and the other end of each cutting rope (6) is fixedly arranged at the inner wall of the adjusting piece (3).

5. A bipolar electrical snare according to claim 4, wherein: the utility model discloses a cutting device, including installation section of thick bamboo (2), cutting rope (6), two chambered pipe (5) and cutting rope (6) are installed to installation section of thick bamboo (2) outer wall fixed mounting has contact ring (14), two chambered pipe (5) and cutting rope (6) extend to installation section of thick bamboo (2) one end, contact ring (14) extend to installation section of thick bamboo (2) inner wall, just contact ring (14) fixed mounting in cutting rope (6) outer wall.

6. A bipolar electric snare according to claim 3, wherein: the second contact piece (12) is slidably mounted on the inner wall of the mounting frame (10), and the limit sleeve (8) is positioned on one side of the mounting frame (10).

7. A bipolar electrical snare according to claim 1, wherein: the mounting (1) inner wall fixed mounting has a plurality of fixed frames (15), fixed frame (15) inner wall fixed mounting has the second spring, second spring one end fixed mounting has clamp plate (16), clamp plate (16) slidable mounting in fixed frame (15) inner wall, just connecting wire (7) slidable mounting in fixed frame (15) inner wall.