PROBLEM TO BE SOLVED: To provide a medical material that is excellent in antithrombogenicity even under a severe use condition in which thrombi are easily formed.SOLUTION: The medical material contains a water-insoluble copolymer including a repeating unit (A) (which is derived from acryloylmorpholine, for example) and a repeating unit (B) (which is derived from methoxyethyl acrylate, for example), in which the water-insoluble copolymer has 5 mol% to 20 mol% of the repeating unit (A) with respect to all constituent units of the copolymer.COPYRIGHT: (C)2015,JPO&INPIT【課題】 血栓が形成されやすい過酷な使用条件においても、抗血栓性に優れた医療材料を提供する。【解決手段】 繰り返し単位(A)(例えば、アクリロイルモルホリンに由来する)と、繰り返し単位(B)(例えば、アクリル酸メトキシエチルに由来する)とを有し、全構成単位中、前記繰り返し単位(A)を5~20モル%有する水不溶性共重合体を含む、医療材料によって、上記課題が解決される。【選択図】なし
