Patent ID: 8828225
Filing Date: 2014-09-09
Classification: A61M,B01D

Abstract:
1. A polysulfone hemodialyzer comprising a tubular housing having a body portion and head portions and providing a dialysate inlet port in one of the head portions and a dialysate outlet port in the other head portion, a hollow fiber membrane bundle which is formed from a polysulfone polymer and polyvinylpyrrolidone and filled in the tubular housing, a resin layer portion provided on an end of the head portion of the housing, securing the bundle in the housing and forming an open end for the hollow fiber membranes, and a header portion which has a blood circulation port and with which the resin layer portion is capped, wherein the hemodialyzer has a membrane area of more than 2.4 m wherein a filling rate of the bundle with respect to the minimum diameter of the body portion of the housing is 55% or more and less than 69%.