| 摘要 |
PROBLEM TO BE SOLVED: To provide a high-frequency treating instrument capable of adhering an electrode to a living body organ even when approaching from a tangential direction to the living body organ, and surely solidifying and cutting the target portion of the living body organ. SOLUTION: Inside a flexible sheath 1 inserted into a coelome, a first electrode 11 as a first conductive member and a second electrode 12 as a second conductive member are provided in opposing positions between an insulating member 9, and the first and second electrodes 11 and 12 and the insulating member 9 are moved back and forth in an axial direction relative to one another.
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