Surgery – Blood drawn and replaced or treated and returned to body
Patent
1997-02-12
1999-11-09
McDermott, Corrine M.
Surgery
Blood drawn and replaced or treated and returned to body
604 65, 604 67, 604113, 604151, 604153, 128DIG3, A61M 3700, A61M 3100, A61M 100
Patent
active
RE0363863
ABSTRACT:
A cardioplegia system for delivering cardioplegic solution to the heart during open heart surgery in cooperation with an extracorporeal blood circuit employing a heart/lung machine, includes a conduit diverting a portion of the blood flow from the heart/lung machine to a cardioplegia delivery line. A heat exchanger for controlling fluid temperature is provided in the cardioplegia delivery line. A flat pump combines the blood from the conduit with a second fluid and delivery the combined flow into the delivery line leading to the heat exchanger. A control panel is operatively connected for adjusting the ratio of blood and second fluid delivered by the first pump and for adjusting the total volumetric rate of flow from the first pump.
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Abbott Martyn S.
Davis Albert M.
Jones Kenneth A.
Mattson Andrew P.
Thompson Thomas C.
McDermott Corrine M.
Quest Medical Inc.
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