| 摘要 |
An energy treatment device includes a probe in which a suction path is defined inside along a longitudinal axis to a distal surface portion. The probe includes a first protrusion protruding an outer peripheral distal end of an outer peripheral portion toward a first perpendicular direction perpendicular to the longitudinal axis and perpendicular to open/close directions of the jaw. The distal surface portion includes an inclined plane in which it goes toward a distal direction side as it goes from the first perpendicular direction toward a second perpendicular direction that is opposite to the first perpendicular direction, the inclined plane extending from a first end position, located to the first perpendicular direction side of a first root position of a first protrusion, to a second end position, located to the second perpendicular direction side of the suction path.
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