This creation is a bone knife structure, which includes a blade body and a blade arm provided at the rear end of the blade body； wherein, the blade portion of the blade body is provided with a number of serrations, the top of the serration forms a tooth edge, and the tooth edge It forms an inclination angle with the center line above the knife body, and the front end of the tooth edge forms a tip； the knife arm is located at the rear end of the knife body, and the other end of the knife arm can be installed on the ultrasonic phone； The high-frequency ultrasonic wave generated by the ultrasonic mobile phone can be used to cut the object to be cut with the serrated tooth edge, and the tooth edge and the object can be cut obliquely, and the human bone tissue can be cut more smoothly and efficiently, so that medical treatment The surgical procedure is more precise and safe.本創作係為一種骨刀構造，包含有一刀體，及設於刀體後端的刀臂；其中，該刀體之刀刃部位設有若干的鋸齒，該鋸齒之頂端形成一齒刃，該齒刃與刀體之上視中心線呈一傾斜度角，該齒刃前端形成一刃尖；該刀臂係設於刀體後端，該刀臂另一端可安裝於超音手機上；藉此，可透過超音手機所產生之高頻超音波振盪，利用鋸齒之齒刃來切削被切削物，並使齒刃與被切削物呈斜交切削，而可更順暢有效率的切削人體骨組織，使醫療手術過程更為精確及安全。
