What is Heart Lung Machine

1. a pump to maintain circulation during heart surgery; diverts blood from the heart and oxygenates it and then pumps it through the body
2. Cardiopulmonary bypass (CPB) is a technique that temporarily takes over the function of the heart and lungs during surgery, maintaining the circulation of blood and the oxygen content of the body. The CPB pump itself is often referred to as a Heart-Lung Machine or the Pump.
3. a machine that pumps blood during open heart surgery.
4. Another term for machine which provides extracorporeal circulation (ECC)