Indication Open-heart cardiac surgical interventions, enabling temporary artificial circulation and oxygenation of the blood to be guaranteed in place of the heart. Technical Characteristics Class IIa cardiovascular medical devices, Extracorporeal Circulation Circuits for Cardiac Surgery are used to transport the patient’s blood: Assembly of Line sets and various sterile Tubes. Combination with a blood Pump, an Oxygenator, a Rapid Infusion System and/or a Haemofilter. Assembly of so-called “Surgical” lines. Assembly of the most comprehensive version of so-called “Pump“ lines referred to as “Custom-pack”. Single lines. Components representing a subassembly of custom-pack that can be delivered individually to be added to a circuit.