PROBLEM TO BE SOLVED: To provide a small-diameter treatment instrument 30 that efficiently receives power wirelessly through an AC magnetic field.SOLUTION: A medical instrument comprises a hard insertion tube 39 that comprises a solenoid type power receiving coil 31 with its outer surface covered with an insulating layer 38, and a treatment part 37 that is arranged at the tip of the insertion tube 39 and is driven by the power received by the power receiving coil 31, in which the power receiving coil 31 comprising spaced flat wires has its outer surface covered with the insulating layer 39.COPYRIGHT: (C)2016,JPO&INPIT【課題】交流磁界を介して効率良く電力を無線受電する細径の処置具30を提供する。【解決手段】ソレノイド型の受電コイル31を含み外面が絶縁層38で覆われた硬性の挿入管39と、挿入管39の先端に配設された受電コイル31が受電した電力により駆動される処置部37と、を有し、ピッチ巻きの平線からなる受電コイル31の外面が絶縁層39により覆われている。【選択図】図2
