Pump/oxygenator with blood recirculation

Details Pump/oxygenator with blood recirculation Pump/oxygenator with blood recirculation

1994-02-09

1995-05-02

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Blood treating device for transfusible blood

Oxygenator

422 48, 21032175, 210651, 41742314, 435 2, A61M 118, B01D 1900, B01D 6100

Patent

active

054117062

ABSTRACT:
A system of processing blood during a surgical procedure includes a centrifugal blood pump with an inlet and an outlet, a means for oxygenating the blood and a means for recirculating a portion of the oxygenated blood to the inlet of the blood pump. The volume of blood recirculated through the system can be controlled by a flow control means. Recirculation of a portion of the blood reduces the cost and size of the system.

REFERENCES:
patent: 3890969 (1975-06-01), Fischel
patent: 3927980 (1975-12-01), Leonard
patent: 3960657 (1976-06-01), Bowley
patent: 4080958 (1978-03-01), Bergman et al.
patent: 4828543 (1989-05-01), Weiss et a.
patent: 4936759 (1990-06-01), Clausen et al.
patent: 5270005 (1993-12-01), Raible
patent: 5300015 (1994-04-01), Runge

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