BALLOON CATHETER - UNIV KEIO

Title:

BALLOON CATHETER

Document Type and Number:

WIPO Patent Application WO/2012/081217

Kind Code:

A1

Abstract:

The purpose of the present invention is to provide a balloon catheter of novel configuration, capable of both efficiently heating a heating element by using laser light and of ensuring durability by avoiding the laser light directly heating members other than the heating element.　Provided is a balloon catheter (10) with a balloon (14) disposed in the front end section of a shaft (12) and wherein: a tightly-wound coil-shaped heating element (48) is housed and arranged in the balloon (14); an optical fiber (42) that irradiates laser light inside the heating element (48) is disposed; and a supply path (28) that supplies liquid to inside the balloon (14) through the inside of the heating element (48) and a discharge path (34) that discharges the liquid from inside the balloon (14) through a discharge port positioned on the outside of the heating element (48) are disposed.

Inventors:

ARAI TSUNENORI (JP)
SHIMAZAKI NATSUMI (JP)
MIYAGAWA KATSUYA (JP)
NISHIMURA YUUKI (JP)
KAKINOKI MISA (JP)

Application Number:

PCT/JP2011/006914

Publication Date:

June 21, 2012

Filing Date:

December 12, 2011

Export Citation:

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Assignee:

UNIV KEIO (JP)
NIPRO CORP (JP)
ARAI TSUNENORI (JP)
SHIMAZAKI NATSUMI (JP)
MIYAGAWA KATSUYA (JP)
NISHIMURA YUUKI (JP)
KAKINOKI MISA (JP)

International Classes:

A61B18/20; A61B17/00; A61F2/95; A61M25/00; A61M25/10

Foreign References:

JP2864094B2	1999-03-03
JP2006015064A	2006-01-19
JP2535250B2	1996-09-18
JP2535250B2	1996-09-18
JP2864094B2	1999-03-03

Other References: