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Anti-reverse rotation self-locking structure

A self-locking structure, anti-reversal technology, applied in the direction of catheter, guide wire, etc., can solve the problem of fixed position without wire drawing

Active Publication Date: 2021-05-28
上海御瓣医疗科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The inventor believes that because the position of the wire drawing is different, the magnitude of the force on the wire drawing is also different. At present, there is no device for fixing the position of the wire drawing on the market

Method used

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  • Anti-reverse rotation self-locking structure

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Embodiment Construction

[0023] The contents of this application can be more readily understood by reference to the following detailed description of the preferred methods of carrying out the application and the included examples. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. In case of conflict, the definitions in this specification shall prevail.

[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 of the embodiments of the application, not all of them. 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] refer to...

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Abstract

The invention discloses an anti-reverse rotation self-locking structure which comprises a fixing disc fixed to a handle mounting base, a rotating shaft is arranged on the fixing disc, a wire spool for winding a guide wire is fixed to the rotating shaft, a self-locking assembly for self-locking the wire spool is arranged on the fixing disc, and the self-locking assembly is matched with the wire spool in a clamped mode. The self-locking assembly comprises an elastic piece and a self-locking disc, one end of the elastic piece is connected to the fixed disc, the other end of the elastic piece is connected to the self-locking disc, and first teeth are arranged on the side, close to the wire spool, of the self-locking disc; second teeth are arranged on the side, close to the self-locking disc, of the wire spool, and the first teeth and the second teeth are matched to self-lock the wire spool. The structure has the effect of achieving different wire drawing fixing positions.

Description

technical field [0001] The present application relates, in particular, to an anti-reverse rotation self-locking structure. Background technique [0002] At present, medical wire drawing is used in various treatments, one of which is used in the human body to establish channels in the human body and provide the basis for other follow-up treatments. [0003] In the prior art, medical drawing wires need to be inserted into different positions of human tissues, and then related vessels are transported into human tissues along the drawing wires. [0004] The inventor thinks that because the drawing stays at different positions, the drawing force is also different. Currently, there is no device for fixing the drawing stop position on the market. Contents of the invention [0005] In order to achieve different drawing and fixing positions, the present application provides an anti-reverse rotation self-locking structure. [0006] Technical solution: An anti-reverse rotation self...

Claims

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Application Information

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IPC IPC(8): A61M25/09
CPCA61M25/09041A61M2025/09125
Inventor 李建文杨亮李峰
Owner 上海御瓣医疗科技有限公司
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