Patent ID: 11877795
Assignee: TORAY INDUSTRIES, INC.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 4:
5. A balloon catheter for ablation, comprising:
the balloon catheter according to claim 1;
an electrode lead wire capable of conducting a high frequency current and provided in a space between said inner cylinder shaft and said outer cylinder shaft and;
a temperature sensor lead wire that is configured to transmit temperatures in said balloon to an outside of the balloon, said temperature sensor lead wire being provided in the space between said flexible inner cylinder shaft and said flexible outer cylinder shaft; and
a lead wire cladding tube through which said electrode lead wire and said temperature sensor lead wire are inserted so that said electrode lead wire and said temperature sensor lead wire are led into the space between said inner cylinder shaft and said outer cylinder shaft, from the outside of the balloon;
wherein said electrode lead wire and said temperature sensor lead wire are made of metals different from each other, and contact each other in an interior of said balloon; and
said lead wire cladding tube is in the form of a pipe including a portion with a varying outer diameter, and is provided on a distal side from a handle portion of said push-in member to be slidable while maintaining liquid tightness via said sealing member.