PROBLEM TO BE SOLVED: To provide a maintenance management method for a surgical instrument capable of suppressing consumption of resources and reducing time and labor for maintenance work.SOLUTION: A complete set of instruments including surgical instruments of the same intended use, but of different sizes is prepared with an identification member to indicate whether or not a surgical instrument has been used in an operation attached to each of the surgical instruments. When the complete set of the instruments is returned after having been used in an operation, the surgical instruments in the complete set of the instruments are divided into used surgical instrument and unused surgical instruments based on the identification member of the surgical instruments. Maintenance work is conducted only for the surgical instruments discriminated as the used surgical instruments.COPYRIGHT: (C)2015,JPO&INPIT【課題】資源の消費を抑え、メンテナンス作業の手間を削減することができる手術用器具の保守管理方法を提供する。【解決手段】使用目的が同じで大きさがそれぞれ異なる手術用器具を含む器具一式を、手術時に手術用器具が使用されたかどうかを示す識別部材を各手術用器具に取り付けて準備する。器具一式が手術で使用されて返却されると、器具一式中の各手術用器具を、該手術用器具の識別部材に基づいて、使用された手術用器具と未使用の手術用器具とに区別する。使用された手術用器具として区別された手術用器具のみを対象にメンテナンスを行う。【選択図】図6