An extracorporeal medical procedure's a medical procedure which's performed outside the body. Circulatory procedures A procedure in which blood's taken from a patient's circulation to have a process applied to it before it's returned to the circulation. All of the apparatus carrying the blood outside the body's termed the extracorporeal circuit. Hemodialysis Hemofiltration Plasmapheresis Apheresis Extracorporeal membrane oxygenation (ECMO) Cardiopulmonary bypass during open heart surgery. O… (More on Extracorporeal)