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Locating structure, assembling method, cutter and endoscope system

A technology of positioning structure and cutting tool, applied in the field of medical devices, can solve the problems of affecting the mucosal tissue piercing effect and increasing the energy loss of high-frequency cutting tools, and achieve the effects of optimizing the piercing effect, reducing pressure loss and increasing the movable distance.

Pending Publication Date: 2021-11-05
MICRO TECH (NANJING) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Existing high-frequency knives generally have a longer blade length, which easily leads to increased energy loss during the injection process of high-frequency knives and affects the puncturing effect on mucosal tissue

Method used

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  • Locating structure, assembling method, cutter and endoscope system
  • Locating structure, assembling method, cutter and endoscope system
  • Locating structure, assembling method, cutter and endoscope system

Examples

Experimental program
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Embodiment Construction

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some, not all, embodiments of the application. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0025] figure 1 Shown is a structural schematic diagram of a tool and a positioning structure provided by an embodiment of the present application. Such as figure 1 As shown, the positioning structure provided by the embodiment of the present application is applied to a tool including a tool bar 3 and a moving member 13 , and the positioning structure includes a limiting component 1 and an auxiliary limiting component 2 detachably connected to the limiting component 1 . The limiting component 1...

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PUM

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Abstract

The application provides a locating structure, an assembling method, a cutter and an endoscope system and relates to the technical field of medical instruments. The locating structure is applied to the cutter comprising a cutter bar and a moving component, and comprises a limiting component which is used for limiting the movement of the moving component; and an auxiliary limiting component, wherein the auxiliary limiting component is detachably connected with the limiting component, is used for being matched with the limiting component, and comprises a first through hole which is suitable for enabling the moving component to drive the cutter bar to move along the axis direction of the cutter bar. The locating structure can be used for effectively shortening the length of the cutter bar of the cutter. Particularly for a high-frequency cutter with an injection function, the pressure loss in an injection process can be effectively reduced by changing the length of the cutter bar, so that the puncture effect of the high-frequency cutter on mucous membrane tissue in an operation process is further optimized.

Description

technical field [0001] The application relates to the technical field of medical devices, in particular to a positioning structure and assembly method, a tool and an endoscope system. Background technique [0002] High-frequency knife (high-frequency surgical unit) is a surgical instrument (electrosurgical unit, ESU) that replaces a mechanical scalpel for tissue cutting. It heats the tissue when the high-frequency (usually 200kHz to 3MHz) high-voltage current generated by the effective electrode tip contacts the body to separate and coagulate the body tissue, thereby achieving the purpose of cutting and hemostasis. [0003] Existing high-frequency knives are generally designed with a longer blade length, which easily leads to increased energy loss of the high-frequency knives during the injection process and affects the puncturing effect on mucosal tissue. Contents of the invention [0004] In order to solve the above-mentioned technical problems, the present application ...

Claims

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Application Information

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IPC IPC(8): A61B18/12A61B18/14
CPCA61B18/12A61B18/14A61B2018/00607A61B2018/00982
Inventor 唐志解欢沙德青庆祖汉
Owner MICRO TECH (NANJING) CO LTD