Title:
METHOD FOR PRODUCING BALLOON CATHETER
Document Type and Number:
WIPO Patent Application WO/2021/049282
Kind Code:
A1
Abstract:
A method for producing a balloon catheter comprises: a cylindrical object preparation step of preparing a cylindrical object (10) having a spatial part (11) extending in a far-near direction therein; a balloon preparation step of preparing a balloon (1); a balloon arrangement step of arranging the balloon (1) in the cylindrical object (10) and pressurizing the inside of the balloon (1) to expand the balloon (1); and a balloon contraction step of depressurizing the inside of the balloon (1) and contracting the balloon (1) to form a blade shape part (3). In the balloon arrangement step, a protruding part (2) is arranged inside a mean circle C1 of which the radius is a mean value of a distance D1 of a portion P2 at which a distance from a gravity point P1 of the cylindrical object (10) to an inner surface of the cylindrical object (10) is the shortest and a distance D2 of a portion P3 at which a distance from the gravity point P1 of the cylindrical object (10) to the inner surface of the cylindrical object (10) is the longest about the gravity point P1 of the cylindrical object (10) in a cross section orthogonal to the far-near direction of the cylindrical object (10).
Inventors:
KOGA YOJIRO (JP)
KOJIMA MASAHIRO (JP)
NAKANO YOSHINORI (JP)
TSUEDA MASATO (JP)
KOJIMA MASAHIRO (JP)
NAKANO YOSHINORI (JP)
TSUEDA MASATO (JP)
Application Number:
PCT/JP2020/031828
Publication Date:
March 18, 2021
Filing Date:
August 24, 2020
Export Citation:
Assignee:
KANEKA CORP (JP)
International Classes:
B29C49/00; A61M25/10
Foreign References:
| US20010047149A1 | 2001-11-29 | |||
| US20060091585A1 | 2006-05-04 | |||
| JPH05293174A | 1993-11-09 | |||
| JP2014140462A | 2014-08-07 |
Attorney, Agent or Firm:
USFI PATENT ATTORNEYS INTERNATIONAL OFFICE (JP)
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