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Title:
CATHETER
Document Type and Number:
WIPO Patent Application WO/2022/091784
Kind Code:
A1
Abstract:
Provided is a catheter which comprises an expandable body that has both expandability and space occupancy. A catheter according to the present invention comprises a hollow shaft and a tube-like expandable body. The expandable body is formed such that it can be expanded and contracted in the radial direction of the catheter by a plurality of wires which are connected to the extreme end of the shaft. The plurality of wires, which constitute the expandable body, include high-rigidity wires and low-rigidity wires. The bending rigidity of the low-rigidity wires in the radial direction of the expandable body is lower than that of the high-rigidity wires. Thus, it is possible for the expandable body to have both expandability and space occupancy.

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Inventors:
OGIDOU MORITAKA (JP)
Application Number:
PCT/JP2021/037876
Publication Date:
May 05, 2022
Filing Date:
October 13, 2021
Export Citation:
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Assignee:
ASAHI INTECC CO LTD (JP)
International Classes:
A61B17/22; A61M25/00
Domestic Patent References:
WO2018147449A12018-08-16
Foreign References:
JP2020062317A2020-04-23
JP2013512735A2013-04-18
JP2005230132A2005-09-02
JP2002113010A2002-04-16
JP2009066178A2009-04-02
Attorney, Agent or Firm:
ALPHA INTERNATIONAL PATENT FIRM (JP)
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