BALLOON FOLDING METHOD, BALLOON FOLDING DEVICE, AND BALLOON CATHETER

WIPO Patent Application WO/2020/196232

A1

[Problem] To provide a balloon folding method, a balloon folding device, and a balloon catheter, which are capable of uniformly folding, in the same direction, a plurality of wing sections protruding outward in a radial direction of a balloon. [Solution] This balloon folding method, for folding a balloon 30 of a balloon catheter 10 to the outer circumferential surface of an inner tube 22, has: a step for inserting the balloon 30 between a plurality of first moving members 122 arranged to surround a predetermined region, and for moving the first moving members 122 toward the balloon 30 to form, on the balloon 30, a plurality of wing sections 32 protruding outward in a radial direction; a step for applying a force to the wing sections 32 in the same direction as the circumferential direction of the inner tube 22 to cause the wing sections 32 to be bent in the same direction; and a step for inserting the balloon 30 having the bent wing sections 32 between a plurality of second moving members 132 arranged to surround a predetermined region, and for moving the second moving members 132 toward the inner tube 22 to fold the wing sections 32.

GOTO HIROSHI (JP)
KUROSAKI YASUO (JP)

PCT/JP2020/012228

October 01, 2020

March 19, 2020

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TERUMO CORP (JP)

A61M25/10

WO2017051878A1

2017-03-30

JP2013056071A	2013-03-28
US5147302A	1992-09-15
US20010047149A1	2001-11-29
JP2004525704A	2004-08-26
JP2006271678A	2006-10-12
JP2017060616A	2017-03-30
US20150217092A1	2015-08-06

YAMADA, Makito (JP)

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