Chemistry: physical processes
Patent
1980-09-22
1982-06-01
Hornsby, Harvey C.
Chemistry: physical processes
233 44, 233 47R, B04B 104, B04B 1106
Patent
active
043323510
ABSTRACT:
A centrifuge structure for automatically separating a plurality of aliquot samples of blood plasma for testing from an initial sample of whole blood. A centrifuge bowl is provided with a bottom surface sloping upwardly and outwardly and joined to a vertical circular outer wall. A plurality of radially extending vertical septa or partitions divide the outer portion of the bowl into a plurality of radially extending chambers. Each of these chambers is provided with an exit port in the bottom surface. Whole blood placed in the bowl is forced radially outward by the centrifugal action of the bowl when rotated, and separates into different fractions. The selected fractions are moved to the vicinity of the exit ports by selectively changing the rotational velocity of the centrifuge and are then valved to other containers by opening valves connected to the exit ports.
REFERENCES:
patent: 379134 (1888-03-01), Shepard
patent: 489198 (1893-01-01), Peck
patent: 3326458 (1965-06-01), Meryman
patent: 4120448 (1978-10-01), Cullis
Kellogg Robert M.
Kruger Victor R.
Brannen Paul M.
Hornsby Harvey C.
International Business Machines - Corporation
Pitko Joseph M.
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