PROBLEM TO BE SOLVED: To provide an ophthalmic surgical instrument capable of simultaneously improving safety and operability of the surgical instrument.SOLUTION: A surgical instrument 1 includes: a needle part 2 having an inner tube 11 and an outer tube 12 in which the inner tube 11 is movably inserted a grip part 3 supporting the outer tube 12 at a fixed state movers 21 and 22 movably provided at the grip part 3 so as to move integrally with the inner tube 11 and an operation unit 4 that has an operation button 23 operated by a finger when the grip part 3 is held by one hand, and that can take the distal end side of the inner tube 11 in or out from the distal end of the outer tube 12 by operating the operation button 23 with the finger and moving the movers 21 and 22 in one direction or the other direction.COPYRIGHT: (C)2014,JPO&INPIT【課題】手術器具の安全性と操作性の向上を同時に図ることができる眼科用手術器具を提供する。【解決手段】手術器具1は、内側管11とこれが移動自在に挿入された外側管12を有する針部2と、外側管12を固定状態に支持する持ち手部3と、内側管11と一体に移動するように持ち手部3に移動可能に設けられた移動子21,22と、持ち手部3を片手で持ったときに指で操作される操作ボタン23を有し、操作ボタン23を指で操作して移動子21,22を一方または他方に移動させることにより、内側管11の先端側を外側管12の先端部から出し入れ可能な操作部4とを備える。【選択図】図2
