Cardioplegia delivery apparatus and method of use
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United States of America Patent
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Dec 30, 1997
Grant Date -
N/A
app pub date -
Feb 23, 1995
filing date -
Feb 23, 1995
priority date (Note) -
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Abstract
A cardioplegia delivery device for providing variable ratio delivery of blood and cardioplegia solution to a patient. The device includes separate pumps for crystalloid and blood. A heat exchanger control circuit is provided which includes a heater and an ice bath for warming or cooling the cardioplegia fluid delivered to the patient. The heat exchanger control circuit includes a priming circuit which may be used to purge air bubbles from the circuit.
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