CDI H/S Cuvette, non-sterile, Manufactured by Terumo Cardiovascular Group, Perfusion Pack or Smart Perfusion Pack. || Product Usage: || Heart/Lung Perfusion Pack is either a customized tubing pack built to user specifications or a stock tubing pack, designed for use during surgery requiring cardiopulmonary bypass. It is not designed for long-term use (greater than six hours). Perfusion Packs labeled as SMART¿ contain components that have an additive to improve blood compatibility. Non-SMART packs may contain some SMART tubing and/or connectors depending on the customer requirements.