CN211300304U

CN211300304U - High-frequency electrotome for endoscope

Info

Publication number: CN211300304U
Application number: CN201922222662.4U
Authority: CN
Inventors: 伍忠东; 包俊; 陈志杰; 张志兴
Original assignee: Jiangxi Zhuoreihua Medical Equipment Co ltd
Current assignee: Jiangxi Zhuoreihua Medical Equipment Co ltd
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-08-21
Anticipated expiration: 2029-12-12

Abstract

The utility model discloses a high-frequency electric knife for endoscope, which comprises a handle part and a knife head part, wherein the knife head part comprises an outer tube, the inner tube is arranged in the outer tube, the top end of the inner tube is fixedly connected with an I knife, a puncture needle is penetrated in the I knife in a sliding way, the outer periphery of the inner tube is sleeved with a sleeve, the inner tube is connected with the sleeve in a sliding way, the front end of the sleeve is fixedly connected with an O knife, the top end of the O knife extends to the upper part of the outer tube, the top end of the O knife is provided with an insulating head, a limit tube is fixedly arranged between the O knife and the inner side wall of the outer tube, the handle part comprises a handle, the bottom end of the handle is provided with a handle, the utility model can realize the injection under the sticky film of a product rather than just the flushing function, simultaneously avoids a supercharging device, realizes the, the injection purpose is more clear, and the product possesses the pjncture needle, possesses the puncture function.

Description

High-frequency electrotome for endoscope

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a high-frequency electrotome for an endoscope.

Background

The electric knife is a surgical needle used for cutting skin and meat and can automatically sterilize the wound edge. A high-frequency electric knife (high-frequency surgical instrument) is a surgical instrument (ESU) that replaces a mechanical scalpel for tissue cutting. The tissue is heated when high-frequency (usually 200kHz to 3 MHz) high-voltage current generated by the tip of the effective electrode contacts with the body, so that the tissue of the body is separated and coagulated, and the aims of cutting and hemostasis are fulfilled. At present, the knife head of the electric knife has various shapes, and in the actual operation process, different knife heads need to be replaced according to the operation requirement for use, but frequent instrument replacement not only has complicated steps, but also is not beneficial to smooth operation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high frequency electric sword for endoscope to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a high-frequency electric knife for an endoscope comprises a handle part and a knife head part, wherein the knife head part comprises an outer tube, an inner tube is arranged inside the outer tube, an I knife is fixedly connected to the top end of the inner tube, a puncture needle is penetrated in the I knife in a sliding mode, a sleeve is sleeved on the periphery of the inner tube, the inner tube is in sliding connection with the sleeve, an O knife is fixedly connected to the front end of the sleeve, the top end of the O knife extends to the upper portion of the outer tube, an insulating head is mounted at the top end of the O knife, a limiting tube is fixedly arranged between the inner wall of the O knife and the inner wall of the outer tube, the handle part comprises a handle, a handle is arranged at the bottom end of the handle, a sliding handle is connected to the handle in a sliding mode, an electrode is mounted on the sliding handle, the sliding handle is connected with the inner, an auxiliary handle is arranged at the top end of the handle.

Preferably, the insulation head is a ceramic insulation head.

Preferably, the auxiliary handle is communicated with the inner tube and forms a liquid passage, and the auxiliary handle is connected with an external injection tube through a luer connector.

Preferably, the O-shaped knife is provided with a through hole corresponding to the I-shaped knife.

Preferably, a gap exists between the I-shaped knife and the puncture needle.

Preferably, the outer surfaces of the I knife and the O knife are covered with gold coatings.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses can realize the injection under the product mucous membrane, and not only for washing the function, also avoid supercharging equipment simultaneously, realize the injection under the mucous membrane, the product injection is gone on by the I sword, is different from going on with O sword mesopore or outer tube clearance in the industry, and the injection purpose is more clear, and the product possesses the pjncture needle, possesses the puncture function.

Drawings

FIG. 1 is a schematic view showing the construction of a high-frequency electric knife for an endoscope;

FIG. 2 is a schematic structural view of a knife head portion of a high-frequency electric knife for an endoscope in a state of an I-knife;

FIG. 3 is a schematic view showing the structure of a blade head portion of a high-frequency electric knife for an endoscope in an O-blade state;

FIG. 4 is a schematic view showing the structure of a handle portion of a high-frequency electric knife for an endoscope.

In the figure: 1-handle part, 2-knife head part, 3-outer tube, 4-inner tube, 5-I knife, 6-puncture needle, 7-sleeve, 8-O knife, 9-insulating head, 10-limiting tube, 11-handle, 12-handle, 13-sliding handle, 14-electrode, 15-auxiliary handle, 16-Ruhr joint and 17-sliding block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1 to 4, the present invention provides a technical solution: a high-frequency electric knife for an endoscope comprises a handle part 1 and a knife head part 2, wherein the knife head part 2 comprises an outer tube 3, an inner tube 4 is arranged inside the outer tube 3, the top end of the inner tube 4 is fixedly connected with an I knife 5, a puncture needle 6 is arranged inside the I knife 5 in a sliding mode in a penetrating mode, a sleeve 7 is sleeved on the periphery of the inner tube 4, the inner tube 4 is connected with the sleeve 7 in a sliding mode, the front end of the sleeve 7 is fixedly connected with an O knife 8, the top end of the O knife 8 extends to the upper portion of the outer tube 3, an insulating head 9 is arranged at the top end of the O knife 8, a limiting tube 10 is fixedly arranged between the O knife 8 and the inner side wall of the outer tube 3, the handle part 1 comprises a handle 11, a handle 12 is arranged at the bottom end of the handle 11, a sliding handle 13 is connected on, the sliding handle 13 is connected with the inner tube 4, a sliding block 17 is arranged above the sliding handle 13, the sliding block 17 is slidably mounted on the handle 11, the sliding block 17 is connected with the puncture needle 6, and the top end of the handle 11 is provided with an auxiliary handle 15.

The insulation head 9 is a ceramic insulation head.

The auxiliary handle 15 is communicated with the inner tube 4 and forms a liquid passage, and the auxiliary handle 15 is connected with an external injection tube through a luer 16.

And a through hole corresponding to the I-shaped knife 5 is formed in the O-shaped knife 8.

A gap is formed between the I-shaped knife 5 and the puncture needle 6.

The outer surfaces of the I knife 5 and the O knife 8 are covered with gold coatings, so that adhesion can be effectively prevented.

The clinical application example of the utility model can refer to the following steps:

1. putting the knife head of the knife I and the puncture needle into the outer tube, and inserting the product into the focus position from the endoscope forceps;

2. adjusting the electric knife to be in a knife I state;

3. carrying out electrocoagulation marking at a position which is about 3-5 mm away from the edge of the focus;

4. the lock head is controlled to extend the puncture needle out of the front end of the knife I;

5. puncturing the outer side of a mark point at the edge of the focus, inserting a tool bit of the I-shaped knife in a guiding way, then drawing out the puncture needle from the product, finally installing an injector on the auxiliary handle, injecting under the mucosa, lifting the focus and separating the focus from the inherent muscular layer;

6. the I knife is retracted and then adjusted to be in an O knife state;

7. carrying out submucosal stripping on the focus by using an O-shaped knife;

8. after completion, the electrotome is removed from the endoscope.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A high-frequency electric knife for an endoscope, comprising a handle portion (1) and a knife head portion (2), characterized in that: the utility model discloses a safe and convenient knife head, including cutter head portion (2), outer tube (3) inside is provided with inner tube (4), inner tube (4) top fixedly connected with I sword (5), pjncture needle (6) are worn to be equipped with in the inside slip of I sword (5), inner tube (4) periphery cover is equipped with sleeve pipe (7), be sliding connection between inner tube (4) and sleeve pipe (7), the front end fixedly connected with O sword (8) of sleeve pipe (7), the top of O sword (8) extends to outer tube (3) top, insulation head (9) are installed to O sword (8) top, fixed spacing pipe (10) of being provided with between O sword (8) and outer tube (3) inside wall, handle portion (1) includes handle (11), handle (11) bottom is provided with handle (12), sliding connection has slip handle (13) on handle (11), the electrode (14) is installed on the sliding handle (13), the sliding handle (13) is connected with the inner tube (4), a sliding block (17) is arranged above the sliding handle (13), the sliding block (17) is installed on the handle (11) in a sliding mode, the sliding block (17) is connected with the puncture needle (6), and an auxiliary handle (15) is arranged at the top end of the handle (11).

2. The high-frequency electrotome for an endoscope according to claim 1, wherein: the insulating head (9) is a ceramic insulating head.

3. The high-frequency electrotome for an endoscope according to claim 1, wherein: the auxiliary handle (15) is communicated with the inner tube (4) to form a liquid passage, and the auxiliary handle (15) is connected with an external injection tube through a luer connector (16).

4. The high-frequency electrotome for an endoscope according to claim 1, wherein: and a through hole corresponding to the I knife (5) is formed in the O knife (8).

5. The high-frequency electrotome for an endoscope according to claim 1, wherein: a gap is formed between the I-shaped knife (5) and the puncture needle (6).

6. The high-frequency electrotome for an endoscope according to claim 1, wherein: the outer surfaces of the I knife (5) and the O knife (8) are covered with gold coatings.