Chemistry: physical processes
Patent
1976-02-11
1978-09-12
Krizmanich, George H.
Chemistry: physical processes
233 26, B04B 502, B04B 900
Patent
active
041131738
ABSTRACT:
A centrifugal cell processing apparatus wherein a rotor assembly having a pair of containers for receiving a fluid to be processed by centrifugation is rotatably mounted on a rotor drive assembly, which is rotatably mounted on a stationary base. Liquid communication is maintained with the containers during rotation of the rotor by means of a flexible umbilical cable which extends from the containers to a location external to the apparatus by way of a passageway provided in the support shaft of the rotor assembly and a guide sleeve carried on and rotatably mounted to the rotor drive assembly. The rotor assembly is rotatably driven in the same direction as the rotor drive assembly with a speed ratio of 2:1 to prevent the umbilical cable from becoming completely twisted during operation of the apparatus. A guide sleeve may be provided on the rotor drive assembly to assist in installing the umbilical cable and to support the cable during operation.
REFERENCES:
patent: 2559299 (1951-07-01), Helling
patent: 3115794 (1963-12-01), Morin
patent: 3498533 (1970-03-01), Schomburg
patent: 3586413 (1971-06-01), Adams
patent: 3775309 (1973-11-01), Ito et al.
patent: 3842685 (1974-10-01), Philpott
patent: 3885735 (1975-05-01), Westberg
patent: 3994805 (1976-11-01), Ito
Science, Sep. 1975, vol. 189, No. 4207, New Flow-Through Centrifuge without Rotating Seals Applied to Plasmapheresis, by Ito, Y. et al.
Baxter Travenol Laboratories Inc.
Collins Henry W.
Cummings Eugene M.
Gerstman George H.
Krizmanich George H.
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