| 摘要 |
Provided is a surgical device in which a vibration transmission member that is used together with a clamp part having a pressing pad and that is capable of transmitting vibration from an ultrasonic transducer comprises: a treatment surface that faces the clamp part and that includes a contact surface with which the pressing pad is in contact; and a thick-walled section provided to a rear surface opposite from the treatment surface with a longitudinal axis extending therebetween from the base end section toward the tip section of the pressing pad, said thick-walled section being formed so as to become gradually thicker with respect to the longitudinal axis from a part of the contact surface that is further to the tip side that a base end position along the longitudinal axis toward a part of the contact surface that is further to the base end side than the base end position. |
