| 摘要 |
A surgical instrument of the present invention comprises a tool section (3) provided at a distal end of the insert section (2), having first and second tool pieces (12, 14) connected to each other by a first opening/closing pivot axis (13), and a manipulating section (4) provided at a proximal end of the insert section (2), having first and second manipulating bodies (37, 39) connected to each other by a second opening/closing pivot axis (38) wherein the first opening/ closing pivot axis (13) is positioned at a first side relative to the longitudinal center axis of the insert section (2), the second opening/closing pivot axis (38) is positioned at a second side relative to the longitudinal center axis of the insert section (2), and the first side and second side are established to obtain a positional relationship which is substantially symmetrical to each other relative to the longitudinal center axis of the insert section (2). <IMAGE> |
