PROBLEM TO BE SOLVED: To provide a hollow fiber membrane-type blood purifier that effectively suppress blood coagulation in a blood inflow part.SOLUTION: A hollow fiber membrane-type blood purifier includes: a bundle of hollow fiber membranes a container that accommodates the bundle of the hollow fiber membranes and a potting part that embeds and fixes the bundle of the hollow fiber membranes at both ends of the bundle of the hollow fiber membranes and that makes the hollow fiber membranes opened on its end surface. The end surface of the potting part is at least partially coated with a fat-soluble antioxidant.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2019,JPO&INPIT【課題】血液流入部における血液凝固を有効に抑制する中空糸膜型血液浄化器を提供する。【解決手段】中空糸膜の束、中空糸膜束が収容された容器、及び、中空糸膜束の両端部において中空糸膜束を包埋固定し、その端面において中空糸膜が開口しているポッティング部、を含む中空糸膜型血液浄化器であって、ポッティング部の端面の少なくとも一部が脂溶性抗酸化剤で被覆されている、中空糸膜型血液浄化器。【選択図】図2
