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Patent Searching and Data


Title:
HOLLOW SHAFT AND CATHETER
Document Type and Number:
WIPO Patent Application WO/2020/255623
Kind Code:
A1
Abstract:
Provided are a hollow shaft and a catheter, wherein, even under an external force, a compressive force onto a second lumen, which is positioned between a first lumen and a shaft outer peripheral surface, can be reduced, and the collapse of the second lumen can be suppressed, with a braided body. The invention comprises a shaft 10 having a first lumen 11 and a second lumen 12 extending in the long axis direction, and a braided body 20 extending in the long axis direction of the shaft 10 and disposed in such a manner as to enclose both the first lumen 11 and the second lumen 12 inside the shaft 10. In a cross-section of the shaft 10, a first inner peripheral surface 14 of the shaft 10, which delimits the first lumen 11, has a protruding surface 15 protruding toward the center of the shaft 10. The second lumen 12 is located between the protruding surface 15 and an outer peripheral surface 17 of the shaft.

Inventors:
YAGI MASARU (JP)
Application Number:
PCT/JP2020/020318
Publication Date:
December 24, 2020
Filing Date:
May 22, 2020
Export Citation:
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Assignee:
ASAHI INTECC CO LTD (JP)
International Classes:
A61M25/14; A61M25/00
Foreign References:
JP2006192269A2006-07-27
JP2013509941A2013-03-21
JP2013031523A2013-02-14
JPH0838612A1996-02-13
JP2009537244A2009-10-29
Attorney, Agent or Firm:
WILLFORT INTERNATIONAL PATENT FIRM (JP)
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