Indication Visceral surgical interventions, making it possible to initiate a warming-up of the patient and thereby offset hypothermia caused by implantation of a graft that has been stored in ice. Technical Characteristics Class IIa surgical devices, Extracorporeal Circulation Circuits for Visceral Surgery used to transport blood and proceed with a shunt between the hepatic vessels and the jugular vein during ablation of the liver and positioning of the graft: Assembly of various sterile PVC and/or silicone tubes of different diameters and lengths. Combination with a Blood Pump, an Oxygenator and a Rapid Infusion System or made up of heating tubes.