Centrifuge bag for treatment of biological liquids

Details Centrifuge bag for treatment of biological liquids Centrifuge bag for treatment of biological liquids

1975-01-23

1976-10-26

Krizmanich, George H.

Chemistry: physical processes

233 14R, 233 19R, 128214D, B04B 1506

Patent

active

039879615

ABSTRACT:
The centrifuge rotor is formed with a central chamber and two peripheral annular chambers concentric therewith; an annular bag including ring-shaped compartments, made of flexible material, and with communicating ducts are placed into the three chambers, the central chamber additionally being big enough to accommodate a holder for treatment liquid and for the reception of treated biological fluid, after centrifuging and treatment; valves, which may be centrifugally or otherwise operated, control flow between the central bag compartment in the central chamber of treatment liquid to the intermediate bag compartment in the intermediate chamber, and flow from the intermediate compartment of used treatment fluid to the outer peripheral compartment. A dimensionally stable, bulged, disk-shaped body is located in the compartments to assure that the bag retains its shape.

REFERENCES:
patent: 3211368 (1965-10-01), Shanley
patent: 3244363 (1966-04-01), Hein
patent: 3297244 (1967-01-01), Hein
patent: 3326458 (1967-06-01), Meryman et al.
patent: 3545671 (1970-12-01), Ross
patent: 3679128 (1972-07-01), Unger
patent: 3724747 (1973-04-01), Unger
patent: 3856470 (1974-01-01), Cullis

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