| 摘要 |
PROBLEM TO BE SOLVED: To provide a treatment device capable of performing treatment of blocking a lumen of a living body efficiently.SOLUTION: A treatment device 10A includes a shaft 18 (long body) which can be inserted to a lumen of a living body, a flat part formation part 22 which is supported by the shaft 18, can be expanded in a width direction closer to a tip side than the shaft 18, and forms a flat part in the lumen of a living body in a tip part according to the expansion in the lumen of a living body, and an electrode part 16 (provision part) which heats a flat part F formed by the flat part formation part 22 to block the flat part F. |
