Pump/oxygenator with blood recirculation
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United States of America Patent
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May 2, 1995
Grant Date -
N/A
app pub date -
Feb 9, 1994
filing date -
Feb 9, 1994
priority date (Note) -
Expired
status (Latency Note)
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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.
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