Problem to be solved: to provide an ultrasonic female tip having a simple structure, easy machining, easy to use, high safety, and an operation operation at various specific operating positions.The tip end of the ultrasonic knife is provided with a tip tip chip 1, a tip bar 2 and a tip body body 3, and a tip tip chip is disposed at one end of the tip bar and has a wedge shape or a flat plate shape which gradually shifts from the cylindrical shape of the tip bar and has a distal end portion so as to form a multiple bent tip A bending extension is provided in the longitudinal direction, and the bending extension portion is terminated at the cutting end portion 11.The front end surface, the left side surface, and the right side of the cutting end portion are cut surfaces 12.Diagram【課題】単純な構造を有し、機械加工が容易であり、使いやすく、高い安全性を有し、様々な特定の操作位置で手術操作を実行することができる超音波メス先端部を提供する。【解決手段】超音波メス先端部は、先端部チップ１、先端部バー２、及び先端部本体３を備え、先端部チップは先端部バーの一端に配置され、先端部バーの円柱形状から徐々に移行するくさび形状又は平板形状を有し、多屈曲先端部を形成するように先端部バーの長手方向に屈曲延長部を有し、屈曲延長部は切断端部１１で終端する。切断端部の前端面、左側面、及び右側面が切断面１２である。【選択図】図２
