| 摘要 |
The catheter of the present invention is provided with: a cylindrical insertion part capable of being inserted into a body; a lumen capable of extending and retracting, the lumen being disposed in a distal-end part in the insertion part and being communicated with a cavity of the insertion part; a knife wire disposed in the distal-end part in the insertion part and capable of treating a living body tissue; and an operating part for operating the lumen and the knife wire, the operating part being disposed in a proximal-end part in the insertion part; the operating part having a mouthpiece to which can be attached a discharge port for a fluid of a pressurizer capable of supplying a fluid for expanding the lumen, and a fixing tool capable of detachably fixing the operating part to the pressurizer. |
