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1. (n.) heart-lung machine
a pumping device through which diverted blood is oxygenated and returned to the body during heart surgery, temporarily functioning for the heart and lungs.
Etymology: (1955–60)
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| Definition of 'heart-lung machine' |
Princeton's WordNet |
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1. (noun) heart-lung machine
a pump to maintain circulation during heart surgery; diverts blood from the heart and oxygenates it and then pumps it through the body
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| Definition of 'heart-lung machine' |
U.S. National Library of Medicine |
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1. heart-lung machine
Apparatus that provides mechanical circulatory support during open-heart surgery, by passing the heart to facilitate surgery on the organ. The basic function of the machine is to oxygenate the body's venous supply of blood and then pump it back into the arterial system. The machine also provides intracardiac suction, filtration, and temperature control. Some of the more important components of these machines include pumps, oxygenators, temperature regulators, and filters. (UMDNS, 1999)
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Definitions of heart-lung machine 
