Custom Pack - Heart Lung Pack Made from non-toxic medical grade P.V.C. tubing, the Heart Lung pack is a part of an extracorporeal systems. It is used exclusively in combination with Heart Lung Machine and other devices of the system, such as Oxygenator, Blood Cardioplegia Delivery system. The set is used exclusively for transportation of blood & other liquids between the patient & extracorporeal system. This set is not a standard product. It is assembled according to the Customers. Specifications. E.T.O. Sterile & Pyrogen Free.