| 摘要 |
A surgical operating apparatus includes an ultrasonic treatment section which performs ultrasonic treatment on a living tissue, and a high-frequency treatment section which performs high-frequency treatment on the living tissue, and includes a narrow width part which is provided on at least one of mutually opposed surfaces of a first electrode portion (3a) of a first grasping member (3a) and a second electrode portion (203) of a second grasping member (17). The narrow width part is configured to be disposed at a position where the first grasping member (3a) does not easily suffer a stress due to ultrasonic vibration when the living tissue is grasped between the second grasping member (17) and the first grasping member (3a), and to make a distance (g2) between the mutually opposed surfaces of the first electrode portion (3a) and the second electrode portion (203) narrower than a distance at other positions.
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