Normothermic Perfusion Machine (IMAGE) University of Alabama at Birmingham Caption This normothermic perfusion machine pumps the liver with warm, oxygenated blood and nutrition at or just below body temperature for up to 24 hours before transplant. Credit UAB News Usage Restrictions Please credit UAB News License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.