Title:
CATHETER
Document Type and Number:
WIPO Patent Application WO/2022/009567
Kind Code:
A1
Abstract:
Provided is a catheter in which twisting of a curved shaft at the distal part of the catheter is prevented, decreases in the bending and pushability of the catheter are prevented, and the expected curve shape can be achieved. A catheter (1) comprises: a shaft (2); at least one wire (30); a coil (60); a leaf spring that extends in a longitudinal direction and has a first connection part of which a proximal end part is fixed to a distal end part of the coil (60); and a cover tube (50) that is positioned to the outside of the coil (60) and has a first fixed part (51) fixed to the shaft (2) at a position to the proximal side, in the longitudinal direction, of the distal end of the coil (60).
Inventors:
KISA TOSHIYA (JP)
Application Number:
PCT/JP2021/021006
Publication Date:
January 13, 2022
Filing Date:
June 02, 2021
Export Citation:
Assignee:
KANEKA CORP (JP)
International Classes:
A61B18/12; A61M25/00; A61M25/092
Domestic Patent References:
| WO2019156059A1 | 2019-08-15 |
Foreign References:
| US5984907A | 1999-11-16 | |||
| JP2008245766A | 2008-10-16 | |||
| JP2012518477A | 2012-08-16 |
Attorney, Agent or Firm:
USFI PATENT ATTORNEYS INTERNATIONAL OFFICE (JP)
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