PROBLEM TO BE SOLVED: To provide a method for manufacturing a medical coil with a stable rotation transmission property.SOLUTION: A method for manufacturing a medical coil includes: a heat treatment step S20 of heating a model coil formed of a metal element wire at a temperature equal to or lower than 500°C; a measurement step S30 of measuring compressive residual stress of the model coil after the heat treatment step; and a selection step S40 of selecting only a model coil with a value of the compressive residual stress which is equal to or higher than a specified value.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2020,JPO&INPIT【課題】安定した回転伝達性を有する医療用コイルの製造方法を提供する。【解決手段】本発明の医療用コイルの製造方法は、金属素線で形成した原型コイルを500℃以下の温度で加熱する熱処理工程S20と、熱処理工程後の原型コイルの圧縮残留応力を測定する測定工程S30と、圧縮残留応力の値が所定値以上の原型コイルのみを選択する選択工程S40とを備える。【選択図】図1