单词	heart-lung machine
释义	heart-lung machine /ˌhɑːtˈlʌŋ məˌʃin / noun A machine that temporarily takes over the functions of the heart and lungs, especially during heart surgery.Apart from the skills of the cardiac surgeon, the main technology which has allowed this operation to take place is the heart-lung machine which puts oxygen into the bloodstream while the heart is stopped during the surgery.... He was a perfusionist, that is, the medical technician who operates the heart-lung machine during open-heart surgery. To use modified ultrafiltration, the perfusionist who operates the heart-lung machine first modifies the pediatric CPB circuit to incorporate the modified ultrafiltration system.
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