A method of placing an implant indwelling in a living body is disclosed. The method can include forming an insertion hole in the living body, the insertion hole extending from a living body surface and passing an obturator foramen on one side and an obturator foramen on the other side, the insertion hole having its end portion on the one side opened in the living body surface and its end portion on the other side closed in relation to the living body surface inserting a medical tube that permits the implant to be inserted into the medical tube, prior to insertion of the implant inserting the implant into the medical tube inserted in the insertion hole and pulling the medical tube out of the insertion hole so that the implant is placed indwelling in the living body.