STERILIZATION FILTER UNIT FOR BLOOD DIALYZER, AND BLOOD DIALYZER PROVIDED WITH STERILIZATION FILTER

摘要

PROBLEM TO BE SOLVED: To effectively prevent contamination of a blood dialyzer to bacteria, eliminate need of complicated work of direct sterilization and disinfection for reuse, prevent deterioration of biological compatibility, and enable a sterilization filter itself to be sufficiently sterilized and cleaned. ;SOLUTION: This dialyzer is provided with a filter case 21 having a first sterilizing chamber 22A including a sterilizing filter 25A, and a second sterilizing chamber 22B including a sterilizing filter, and a discharge port 23B of the first sterilizing chamber 22A and an entrance port 24A of the second sterilizing chamber 22B are put to be close to each other to form a connection part 26. At the connection part 26, a changing valve 27 is provided to be changeable between a disinfection position to prohibit flow of liquid to/from a blood dialyzer 10 by communicating middle parts of the discharge side and the entrance side with each other, and a dialysis position to let dialysis liquid to/from the blood dialyzer 10 without communicating middle parts with each other.;COPYRIGHT: (C)1997,JPO