MEDICAL MATERIAL CONTAINING FLUORINATED POLYSULFONE HAVING EXCELLENT ANTITHROMBOTIC ACTIVITY

摘要

A medical material composed of a poly(alkyl aryl ether)sulfone copolymer (A) and a thermoplastic polymer (B), such as cellulose triacetate, and being used in contact with the blood, wherein the concentration of the copolymer (A) is at least 40 % by weight at least near the surface of a part having a surface to be used in contact with the blood and the copolymer (A) is a specified polysulfone bearing fluorine atoms and polyalkyl ether units and which is suitable for a hollow fiber membrane for artificial kidneys, and the like.