Dialyzer and method for manufacturing the same

摘要

A dialyzer in which a nearly cylindrical case (1) is provided therein with a hollow fiber bundle (3) made of a plurality of hollow fiber membranes (2), a blood flow path (14) formed by lumens of the hollow fiber membranes (2), a dialyzate flow path (13) formed by a space between the inner wall of the case (1) and the hollow fiber membranes (2) and a cylindrical heat-shrinkable tube (4) provided on an outside of the hollow fiber bundle (3) and at least a part of which can be shrunk by heating, and a method for manufacturing the dialyzer.