Patent ID: 11931493
Assignee: GAMBRO LUNDIA AB
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 16:
17. A method of preparing a blood treatment apparatus for blood treatment, said method comprising:
installing a first flow circuit for conducting a fluid provided by the blood treatment apparatus through a dialyzer,
installing a second flow circuit that is separated from the first flow circuit by a semi-permeable membrane of the dialyzer, the second flow circuit comprising connectors for connection to a vascular system of a subject during a blood treatment, wherein the second flow circuit is configured to be disconnected from the vascular system and form a closed loop that includes a sterilizing filter,
pumping, before the blood treatment and by the blood treatment apparatus, a human-compatible fluid into the first flow circuit so that a portion of the human-compatible fluid flows through the semi-permeable membrane into the second flow circuit, and
circulating, before the blood treatment and by the blood treatment apparatus, said portion of the human-compatible fluid in the closed loop of the second flow circuit, to thereby sterilize said portion of the human-compatible fluid by the sterilizing filter.