Title:
BALLOON CATHETER AND BALLOON CATHETER SYSTEM
Document Type and Number:
WIPO Patent Application WO/2023/190670
Kind Code:
A1
Abstract:
In order to maintain a constant surface temperature of a balloon in a safe manner, this balloon catheter (15) comprises a balloon (25), an outer cylinder shaft (30) connected to the proximal end of the balloon, an inner cylinder shaft (35) passing through the outer cylinder shaft and connected to the distal end of the balloon, a heating member (40) for heating a liquid inside the balloon, a first temperature sensor (31) secured to an end of the heating member, and a liquid passage (LP) formed between the outer cylinder shaft and the inner cylinder shaft, and communicating with the interior of the balloon. The balloon can be expanded or loosened by movement of the inner cylinder shaft relative to the outer cylinder shaft, the heating member is arranged inside the balloon and is configured so as to be secured only to the outer cylinder shaft.
More Like This:
| WO/2015/139117 | BALLOON DESIGN TO REDUCE DISTAL LENGTH |
| JP4777581 | Stent delivery catheter with pullback balloon |
Inventors:
TSUKAMOTO KOTA (JP)
HARADA HIROYUKI (JP)
TAKAOKA MOTOKI (JP)
HARADA HIROYUKI (JP)
TAKAOKA MOTOKI (JP)
Application Number:
PCT/JP2023/012770
Publication Date:
October 05, 2023
Filing Date:
March 29, 2023
Export Citation:
Assignee:
TORAY INDUSTRIES (JP)
International Classes:
A61M25/10; A61B18/14
Foreign References:
| JP2005058509A | 2005-03-10 | |||
| JPH11347128A | 1999-12-21 | |||
| JP3611799B2 | 2005-01-19 |
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