Centrifugal separation of blood

Details Centrifugal separation of blood Centrifugal separation of blood

1987-08-19

1989-07-25

Schwadron, Martin P.

Surgery

Blood drawn and replaced or treated and returned to body

Constituent removed from blood and remainder returned to body

494 37, A61N 136

Patent

active

048509957

ABSTRACT:
Returning red blood cells to a patient after a centrifuge separation procedure by connecting an inflow line of a separation channel to an outflow line to provide a closed loop and recirculating liquid through it to remove blood cells. Also disclosed is pulling more liquid out of a flexible separation channel than permitted into it in order to reduce the volume of liquid to be used in returning cells to the patient.

REFERENCES:
patent: 2869779 (1959-01-01), Geissler
patent: 3849145 (1970-01-01), Judson et al.
patent: 4094461 (1978-06-01), Kellog et al.
patent: 4185629 (1980-01-01), Cullis
patent: 4464167 (1984-08-01), Schoendorfer et al.
"Cobe 2997 Blood Cell Separator Operator's Handbook", c. 1985, Cobe Labs, Inc., Lakewood, CO.
"CS-3000 Blood Cell Separator Operator's Manual", c. 1983, Fenwal Labs, Div. of Travenol Labs, Deerfield, IL.

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