| 摘要 |
A surgical instrument includes an insertion section, a first jaw and a second jaw provided at a distal end portion of the insertion section, having predetermined curved shapes and configured to grasp tissue; a guide section formed along the predetermined curved shape and disposed in at least one of the first jaw and the second jaw; an actuation section which is movable by being guided by the guide section; a shaft body provided at the actuation section and configured to be rotatable about a rotation axis parallel to a center line of the shaft body; and a blade section connected to the shaft body at a position apart from the rotation axis in a direction across to the shaft body and configured to be directed to the shaft body, the blade section being rotatable about the rotation axis. |
