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Endoscopic submucosal dissection instrument with swallow-tail form tool bit

A technology of dovetail and cutter head, which is applied in the field of medical devices, can solve the problems of low efficiency, long operation time, and low stripping efficiency, and achieve the effect of clear vision and improved cutting rate

Inactive Publication Date: 2018-01-30
WEST CHINA HOSPITAL SICHUAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing peeling knife has low peeling efficiency, long operation time and low efficiency

Method used

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  • Endoscopic submucosal dissection instrument with swallow-tail form tool bit
  • Endoscopic submucosal dissection instrument with swallow-tail form tool bit
  • Endoscopic submucosal dissection instrument with swallow-tail form tool bit

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Embodiment Construction

[0022] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0023] Such as Figure 1-4 As shown, the endoscopic mucosal dissection instrument with a dovetail-shaped cutter head disclosed by the present invention includes a dissection incision knife 1, a transmission wire 3, a fixed handle 6, a sliding handle 10 and an electrical coupling device 5 for electrical connection with high frequency , The peeling and incision knife 1 includes a dovetail-shaped knife head 11 and a knife seat 12 that can be opened and closed. The fixed handle 6 has an inner cavity 15, and the transmission wire 3 is installed in the inner cavity 15 and fits with the inner cavity 15 in a gap. 6 and can slide back and forth along the fixed handle 6. The sliding handle 10 is fixedly connected with the transmission wire 3 to control the opening and clos...

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PUM

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Abstract

The invention relates to an endoscopic submucosal dissection instrument with a swallow-tail form tool bit. The endoscopic submucosal dissection instrument comprises the openable swallow-tail form toolbit, a transmission wire, a fixed handle, a slidable handle, a rotatable handle and an electric connecting device, the rotatable handle drives the swallow-tail form tool bit to rotate, the front endof the transmission wire extends out of the fixed handle and is connected with the swallow-tail form tool bit, the rotatable handle and the slidable handle are mounted on the fixed handle, the slidable handle is fixedly connected with the transmission wire, so that opening and closing of the swallow-tail form tool bit are controlled by the slidable handle, the rotatable handle is connected with the transmission wire through a vertical transmission structure, a cutting edge of the swallow-tail form tool bit is positioned at the outer side edge of a blade, and the swallow-tail form tool bit is electrically connected with the electric connecting device through the transmission wire. When the swallow-tail form tool bit is closed, an opening can be formed in a mucous membrane, two sides can besimultaneously cut open by the cutting edge after the swallow-tail form tool bit is opened, the electric connecting device is connected with a power supply, cutting can be accelerated, blood coagulation effects are achieved, and a dissection view is clearer.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to an endoscopic mucosal dissection device with a dovetail-shaped cutter head. Background technique [0002] With the development of digestive endoscopic diagnosis and treatment technology, the diagnosis rate of early gastrointestinal tumors continues to increase, the number of cases of endoscopic mucosal dissection (ESD) has increased significantly, and the requirements for the efficiency of surgical operations have continued to increase. The existing peeling knife has low peeling efficiency, long operation time and low efficiency. Contents of the invention [0003] The invention aims to provide an endoscopic mucosal dissection instrument with a dovetail-shaped cutter head, which can improve the dissection efficiency and shorten the operation time. [0004] In order to achieve the above object, the technical scheme adopted in the present invention is as follows: [0005...

Claims

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Application Information

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IPC IPC(8): A61B17/00A61B17/32A61B18/12A61B18/14
Inventor 胡兵曾宪晖吴春成郭林杰刘建容叶连松张宇航
Owner WEST CHINA HOSPITAL SICHUAN UNIV
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