CN220860146U

CN220860146U - Disposable electric snare

Info

Publication number: CN220860146U
Application number: CN202322098243.0U
Authority: CN
Inventors: 印建新; 陈润生; 陈林锋
Original assignee: Jiangsu Zhenyoumei Biotechnology Co ltd
Current assignee: Jiangsu Zhenyoumei Biotechnology Co ltd
Priority date: 2023-08-07
Filing date: 2023-08-07
Publication date: 2024-04-30
Anticipated expiration: 2033-08-07

Abstract

The utility model discloses a disposable electric snare, which comprises a main barrel, wherein one end of the main barrel is provided with an electric loop component, the other end of the main barrel is externally provided with a sliding sleeve in a sliding manner, an adjusting component is arranged between the sliding sleeve and the main barrel, and the adjusting component comprises; the adjusting piece is in threaded connection with the sliding sleeve, and the bottom end face of the adjusting piece abuts against the surface of the main cylinder; the limiting piece is arranged at the top of the stud, the limiting piece comprises a limiting cap, the bottom end of the limiting cap is propped against the outer surface of the sliding sleeve, the adjusting piece comprises the stud, and an arc plate is arranged at the bottom end of the stud; through the adjusting part of design, can adjust the frictional force between sliding sleeve and the main section of thick bamboo, reduce the speed of pulling sliding sleeve through the mode of increase frictional force, make things convenient for the operation of real experience inadequately and rule cultivation doctor more, this kind of adjusting part simple structure simultaneously, convenient processing production also can not excessively increase manufacturing cost, has perfected the not enough in use of current electric snare.

Description

Disposable electric snare

Technical Field

The utility model belongs to the technical field of medical instruments, and particularly relates to a disposable electric snare.

Background

The disposable electric snare is also called as disposable polypectomy device, and is matched with an endoscope for use when the disposable electric snare is used, polyp is resected in the alimentary canal by utilizing high-frequency current, under the monitoring of the endoscope, a high-frequency power supply is connected to be inserted into a gastrointestinal cavity through a biopsy hole of the endoscope, an electric loop is opened at a position close to the polyp, the electric loop is sleeved with the polyp, the electric loop is gradually tensioned at the root of the polyp, the high-frequency power supply is started, a foot switch is electrified, electric coagulation is carried out firstly, then electric cutting is carried out, the intermittent electrifying time is 1-2s each time, and generally not more than 4s until the polyp is cut successfully by electricity, and the disposable electric snare has the characteristics of small wound, good curative effect, quick recovery and the like.

When the existing electric snare is used for removing pathological change substances such as polyps and the like through the electric loop, the sliding sleeve on the existing electric snare is required to be pulled out at a constant speed, and the sliding sleeve is movably connected with the main barrel, so that the speed of pulling the sliding sleeve can only be operated through the hand feeling and experience of doctors, and the problem that the excision is influenced due to the fact that the speed of pulling the sliding sleeve is too high for doctors with poor practical operation technology or when the doctors are subjected to regular cultivation still exists.

Disclosure of utility model

The utility model aims to provide a disposable electric snare, which solves the problem that the traditional electric snare proposed in the background art is not provided with a function of pulling a sliding sleeve at a constant speed to cut polyps at a constant speed.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the disposable electric snare comprises a main barrel, wherein one end of the main barrel is provided with an electric loop assembly, the other end of the main barrel is externally provided with a sliding sleeve in a sliding manner, an adjusting assembly is arranged between the sliding sleeve and the main barrel, and the adjusting assembly comprises;

The adjusting piece is in threaded connection with the sliding sleeve, and the bottom end face of the adjusting piece abuts against the surface of the main cylinder;

the limiting piece is arranged at the top of the stud and comprises a limiting cap, and the bottom end of the limiting cap abuts against the outer surface of the sliding sleeve.

Preferably, the adjusting piece comprises a stud, an arc plate is arranged at the bottom end of the stud, a rubber sheet is adhered to the bottom end surface of the arc plate, an arc groove for clamping the arc plate and the rubber sheet is formed in the surface of the main cylinder, and the rubber sheet is propped against the bottom end surface of the arc groove.

Preferably, the top of the arc plate is provided with a hole, the bottom of the stud is inserted into the hole, and the hole and the stud are in fit connection.

Preferably, the limiting piece further comprises a deformation opening formed in the top end face of the stud, the top of the stud is inclined towards the outer side, the top of the stud is further sleeved with a limiting cap, and the inner wall of the limiting cap abuts against the outer wall of the top end of the stud.

Preferably, a finger hole is reserved on the sliding sleeve, an end groove communicated with the finger hole is formed in the side edge of the sliding sleeve, and a deformation groove is formed in the inner wall of the end groove.

Preferably, the inner side corners of the end grooves are adhered with protective pads which are symmetrically arranged.

Preferably, the electric ring assembly comprises a guy cable and a tube sheath sleeved outside the guy cable, and one end of the guy cable is connected with an electric ring; one end of the main cylinder is fixed with a sheath sleeve communicated with the sheath, and the limiting cap is also provided with an electrode plug.

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

Through the adjusting part of design, can adjust the frictional force between sliding sleeve and the main section of thick bamboo, reduce the speed of pulling sliding sleeve through the mode of increase frictional force, make things convenient for the operation of real experience inadequately and rule cultivation doctor more, this kind of adjusting part simple structure simultaneously, convenient processing production also can not excessively increase manufacturing cost, has perfected the not enough in use of current electric snare.

Drawings

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

FIG. 2 is a cross-sectional view of the connection of the main cylinder and the sliding sleeve of the present utility model;

FIG. 3 is an enlarged schematic view of area A of FIG. 2 in accordance with the present utility model;

FIG. 4 is a front view of the sliding sleeve of the present utility model;

fig. 5 is a schematic structural diagram of the coil in embodiment 2;

Fig. 6 is a schematic structural diagram of the coil in embodiment 3.

In the figure: 100. a main barrel; 100a, arc grooves; 101. a sliding sleeve; 101a, end slots; 101b, a protective pad; 101c, deformation grooves; 102. a sheath sleeve; 103. a sheath; 104. an electric coil; 105. an electrode plug; 106. a guy cable; 107. a limit cap; 200. a stud; 200a, deformation opening; 201. a spring; 202. an arc plate; 203. a rubber sheet.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1 to 4, the present utility model provides a technical solution: in the disposable electric snare, which comprises a main barrel 100, wherein one end of the main barrel 100 is provided with an electric ring component, the other end of the main barrel 100 is externally provided with a sliding sleeve 101 in a sliding way, in the disposable electric snare, a sheath 103 is driven to slide on the main barrel 100 through the sliding sleeve 101, and an electric ring 104 is driven to remove polyps through the sheath 103, and an adjusting component is arranged between the sliding sleeve 101 and the main barrel 100 and comprises;

The adjusting piece is in threaded connection with the sliding sleeve 101, the bottom end face of the adjusting piece abuts against the surface of the main cylinder 100, so that the two are connected, the main cylinder 100 is abutted and connected through rotation of the adjusting piece, and friction force is improved;

And the limiting piece is arranged at the top position of the stud 200, the limiting piece comprises a limiting cap 107, the bottom end of the limiting cap 107 abuts against the outer surface of the sliding sleeve 101, and when the stud 200 rotates towards the outside of the sliding sleeve 101, the limiting cap 107 can enable the adjusting piece to be rapidly separated from the main barrel 100.

In this embodiment, preferably, the adjusting member includes a stud 200, an arc plate 202 is disposed at the bottom end of the stud 200, a rubber sheet 203 is adhered to the bottom end surface of the arc plate 202, an arc groove 100a into which the arc plate 202 and the rubber sheet 203 are clamped is provided on the surface of the main cylinder 100, the rubber sheet 203 abuts against the bottom end surface of the arc groove 100a, when the two abut against each other, the rubber sheet 203 generates a friction force through deformation, thereby the friction force promotes the connection stability between the sliding sleeve 101 and the main cylinder 100, when the sliding sleeve 101 is pushed in the later stage, the pushing speed can be reduced, the purpose of helping the uniform pushing is achieved, and it is worth noting that, in order to ensure the pushing, the rubber sheet 203 is not suitable to be too tightly abutted against the arc groove 100a, and should be adjusted by itself according to the requirement of an operator.

In this embodiment, preferably, the top of the arc plate 202 is provided with a hole, the bottom of the stud 200 is inserted into the hole, and the stud 200 can rotate in the hole, and the two are in fit connection, so that the stud 200 does not drive the arc plate 202 to rotate when rotating.

In this embodiment, preferably, the limiting member further includes a deformation opening 200a formed on the top end surface of the stud 200, the top of the stud 200 is inclined towards the outside, the top of the stud 200 is further sleeved with a limiting cap 107, the inner wall of the limiting cap 107 abuts against the top outer wall of the stud 200, so that the installation is completed quickly, in the installation, the inner wall of the limiting cap 107 presses the outer wall of the stud 200, the stud 200 is deformed through the deformation opening 200a and is sprung back, so as to abut against the inner wall of the limiting cap 107, and the abutting force of the abutting point is greater than the springback force of the spring 201.

In this embodiment, preferably, a finger hole for inserting a finger of a medical staff is reserved on the sliding sleeve 101, an end groove 101a communicated with the finger hole is formed in the side edge of the sliding sleeve 101, a deformation groove 101c is formed in the inner wall of the end groove 101a, and when the medical staff inserts the finger into the finger hole, the inner diameter of the finger hole can be increased through deformation of the deformation groove 101c, so that the finger hole is suitable for operation of different medical staff.

In this embodiment, it is preferable that the protection pad 101b is adhered to the inner corner of the end groove 101a, and the protection pad 101b is symmetrically disposed, so that discomfort caused by the contact between the finger and the corner of the end groove 101a can be avoided by the protection pad 101 b.

In this embodiment, preferably, the electric ring assembly includes a pull cable 106 and a sheath 103 sleeved outside the pull cable 106, and one end of the pull cable 106 is connected with an electric ring 104; one end of the main cylinder 100 is fixed with a sheath tube sleeve 102 communicated with a tube sheath 103, an electrode plug 105 is further arranged on a limiting cap 107, in use, the main cylinder is connected with an external power supply through the electrode plug 105, the power supply is transmitted to a guy cable 106 and an electric coil 104, and the sliding sleeve 101 is pulled to drive the guy cable 106 to move, so that the contraction of the electric coil 104 is realized, and the meat is removed by means of current.

Examples

Referring to fig. 5, the coil 104 is half-moon shaped.

Examples

Referring to fig. 6, the coil 104 has a hexagonal shape.

Although embodiments of the present utility model have been shown and described in detail with reference to the foregoing detailed description, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The disposable electric snare comprises a main barrel (100) and a stud (200), wherein an electric coil assembly is arranged at one end of the main barrel (100), and a sliding sleeve (101) is arranged at the other end of the main barrel in a sliding manner, and is characterized in that: an adjusting component is arranged between the sliding sleeve (101) and the main cylinder (100), and comprises;

The adjusting piece is in threaded connection with the sliding sleeve (101), and the bottom end face of the adjusting piece is propped against the surface of the main cylinder (100);

The limiting piece is arranged at the top of the stud (200) and comprises a limiting cap (107), and the bottom end of the limiting cap (107) abuts against the outer surface of the sliding sleeve (101).

2. The single use electrical snare of claim 1, wherein: the adjusting piece comprises a stud (200), an arc plate (202) is arranged at the bottom end of the stud (200), a rubber sheet (203) is adhered to the bottom end surface of the arc plate (202), an arc groove (100 a) for clamping the arc plate (202) and the rubber sheet (203) is formed in the surface of the main cylinder (100), and the rubber sheet (203) abuts against the bottom end surface of the arc groove (100 a).

3. The single use electrical snare of claim 2, wherein: the top of the arc plate (202) is provided with a hole, the bottom of the stud (200) is inserted into the hole, and the two are in fit connection.

4. The single use electrical snare of claim 1, wherein: the limiting piece further comprises a deformation opening (200 a) formed in the top end face of the stud (200), the top of the stud (200) is inclined towards the outer side, a limiting cap (107) is further sleeved on the top of the stud (200), and the inner wall of the limiting cap (107) abuts against the outer wall of the top end of the stud (200).

5. The single use electrical snare of claim 1, wherein: finger holes are reserved on the sliding sleeve (101), end grooves (101 a) communicated with the finger holes are formed in the side edges of the sliding sleeve (101), and deformation grooves (101 c) are formed in the inner walls of the end grooves (101 a).

6. The single use electrical snare of claim 5, wherein: and protective pads (101 b) are adhered to the inner corners of the end grooves (101 a), and the protective pads (101 b) are symmetrically arranged.

7. The single use electrical snare of claim 1, wherein: the electric coil assembly comprises a guy cable (106) and a tube sheath (103) sleeved outside the guy cable (106), and one end of the guy cable (106) is connected with an electric coil (104); one end of the main cylinder (100) is fixed with a sheath sleeve (102) communicated with the sheath (103), and the limiting cap (107) is also provided with an electrode plug (105).