| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a surgical instrument that allows an operator to comfortably operate with its wrist and fingers in an operating part, and easily and stably control a position and a posture of a holding part as forceps. <P>SOLUTION: This surgical instrument comprises a tip joint part having an openable and closable holding part, the operating part having a gripper 123 and a plurality of operating dials, and an arm part containing a wire to associate the operating part with the tip joint part therein. A first operating dial 103 is provided on an upper slant surface of the operating part on an upper side of the gripper, and a second operating dial 104 and a third operating dial 105 are provided on a front surface of the operating part on the upper side of the gripper. The first operating dial 103 is operated with a thumb 110 and the second operating dial 104 is operated with an index finger 111, which enable the tip joint part to move up and down, left and right so that the tip joint part can swing. The third operating dial 105 is operated with the index finger 111, which enables the above tip holding part to open and close. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
