| 摘要 |
PROBLEM TO BE SOLVED: To provide a heating treatment probe capable of piercing an electrode portion into a lesion and collecting cooling liquid. SOLUTION: A heating treatment probe 1 has a piercing electrode needle 8 provided at the end of a tubular member 7 having a discharge port at the end for discharging cooling fluid so that the fluid can be discharged from the discharge port through the interior of the tubular member 7 and the fluid turned around the outer periphery of the piercing electrode needle 8 be drawn and perfused through a space between the outer periphery of the first tubular member 7 and the inner periphery of a sheath 3.
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