| 摘要 |
PURPOSE: A surgical instrument is provided to improve the reliability by improving the durability of a wire by having small driving force applied to the wire. CONSTITUTION: A surgical instrument comprises a shaft(10), a wrist member(20), a plurality of operators(30a, 30b), an auxiliary driving part, and a main driving part. The wrist member comprises a guide member, a wrist main body having a plurality of installation holes, and a plurality of protruding members(23) having insertion groove corresponding to the wrist main body. |
