Medical thread
By designing locking protrusions and a bending stiffness variation mechanism in the flexible tube within the guidewire, the problems of guidewire replacement and curvature adjustment were solved, resulting in shorter operation time and more precise guidance.
CN122161642APending Publication Date: 2026-06-05NHK SPRING CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- NHK SPRING CO LTD
- Filing Date
- 2024-11-27
- Publication Date
- 2026-06-05
Smart Images
Figure CN122161642A_ABST
Abstract
The invention includes a first flexible tube (11) extending in a front-rear direction and formed to be able to bend and deform, an operating wire (12) extending in the front-rear direction and inserted into the inside of the first flexible tube (11), and a support body (14) fixed to the rear end portion of the first flexible tube (11), the front end portion (12a) of the operating wire (12) being fixed to the front end portion of the first flexible tube (11) in a state of departing from the center axis (O1) of the first flexible tube (11) in one direction in the radial direction, the front end opening portion of the first flexible tube being plugged with a fixing member (25) in which the front end portion of the operating wire is embedded, a locking protrusion (12b) being formed at the front end portion of the operating wire and protruding in the radial direction more than the portion of the operating wire between the front end portion and the rear end portion.
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Citation Information
Patent Citations
Medical guidewire
JP2011000199A