PROBLEM TO BE SOLVED: To provide a new use for polyamide 4 in a living body.SOLUTION: The present invention provides a medical material embedded in a living body, comprising a homopolymer or copolymer of polyamide 4.SELECTED DRAWING: NoneCOPYRIGHT: (C)2016,JPO&INPIT【課題】ポリアミド4の生体内における新たな用途を提供する【解決手段】ポリアミド4のホモポリマーまたはコポリマーを含む、生体内に埋入される医療材料。【選択図】なし