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smoking electrosurgical unit

A technology of electric knife and smoking tube, which is applied in the direction of heating surgical instruments, etc., can solve the problems of unnatural rotation of the smoking tube, inconvenient use, and inability to fine-tune, etc., and achieve the effect of simple and practical connection structure, easy fixing, and simplified setting

Active Publication Date: 2018-10-09
ZHEJIANG MEDSTAR TECH CO LTD
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

The above-mentioned publication is the prior art of the applicant, but after using it, it is found that the rotation of the smoking pipe of this technology is not very natural, and there will be a phenomenon of jamming; and the distance of axial movement is fixed and cannot be fine-tuned, resulting in uneasy use. convenient

Method used

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Embodiment Construction

[0029] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0030] As shown in the drawings, the smoking electric knife includes an electric knife body 1, a smoking pipe 2, and a housing 4 arranged outside the smoking pipe 2. An electric control chip 8 is clamped on the housing 4 to control the electric knife body 1. Operation after power-on.

[0031] The smoking pipe 2 includes a conductive inner tube 6 in the inner layer and a first insulating layer in the outer layer. An annular groove 21 is arranged on the outer circumference of the first insulating layer, and a screw-type expansion plug 3 is arranged in the ring groove 21. The expansion plug 3 is provided with a radial protrusion 31 in the radial direction of the smoking pipe 2, and a limiting groove 41 is provided on the inner wall of the housing 4, and the radial protrusion 31 cooperates with the limiting groove 41 to realize the fixation of the rotary expansio...

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Abstract

The invention relates to a smoke sucking electrotome, and belongs to the technical field of medical appliance processing. The smoke sucking electrotome comprises an electrotome body, a smoke sucking tube and a casing, wherein the casing is arranged outside the smoke sucking tube; the electrotome body is provided with an operating part and a connecting part; the operating part extends out of the smoke sucking tube; the connecting part is matched and connected with the installing part of the smoke sucking tube; a rotary expansion plug structure is formed between the outer wall of the smoke sucking tube and the inner wall of the casing; the rotary expansion plug structure comprises a rotary expansion plug element; and when the smoke sucking tube and the rotary expansion plug generate relative rotation, the wall thickness formed by matching the smoke sucking tube and the rotary expansion plug element generates local change, so that the smoke sucking tube generates the expansion degree change relative to the casing. By using the technical scheme, the smoke sucking electrotome which realizes the natural rotation and can be finely adjusted in the axial direction is provided.

Description

technical field [0001] The invention belongs to the technical field of medical equipment processing, in particular to a smoking electric knife. Background technique [0002] Electric knife is a common surgical knife, because during surgical cutting, smoke will be generated, which will block the doctor's sight and affect the normal operation of the operation, so most of the current electric knife has a smoke absorption function, through vacuum adsorption The device sucks out the smoke generated by the operation to ensure the normal and smooth operation of the operation. For example, the Chinese invention patent whose patent application number is CN201420797732.3 and application date: 2014-12-17 discloses a smoking electric knife and a smoking pipe connection structure, including a smoking pipe inserted in the handle of the electric knife shell, located in the The locking ring groove on the outer peripheral surface of the smoking pipe, the elastic eccentric sleeve arranged in...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B18/12
CPCA61B18/12
Inventor 黄海军晁宇王清华尹艳辉刘天国
Owner ZHEJIANG MEDSTAR TECH CO LTD
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