PROBLEM TO BE SOLVED: To provide an artificial joint that prevents abrasion powder from being produced and foreign objects from entering, and has superior load bearing.SOLUTION: The artificial joint includes an elastic movable part having a multilayer structure in which a rigid material layer and an elastomer layer are alternately laminated and bonded.COPYRIGHT: (C)2012,JPO&INPIT【課題】摩耗粉の発生や異物の混入を防止することができ、かつ、耐荷重性に優れる人工関節を提供する。【解決手段】硬質材料層とエラストマー層とが交互に積層、接着してなる多層構造体を有する弾性可動部を有する人工関節。【選択図】図1