PROBLEM TO BE SOLVED: To provide a member for a medical device having excellent damage resistance even if having flexibility and a thin thickness.SOLUTION: This member for a medical device is formed of a material containing multiple components. At least one component of the multiple components is an elastomer, and the impact resilience of at least one component of the multiple components is 1-30%.COPYRIGHT: (C)2013,JPO&INPIT【課題】柔軟性をもたせ、かつ薄くしても、耐損傷性に優れた医療器具用部材の提供。【解決手段】多成分からなる材料より形成された医療器具用部材であって、前記多成分のうち、少なくとも1成分がエラストマーであり、かつ、前記多成分のうち、少なくとも1成分の反発弾性が1~30%であることを特徴とする医療器具用部材。【選択図】なし