The equipment comprises an impulsion pump (5-5) with a displaceable piston (7), that adopts a bellows shape, located in the inside of the same, the chamber of the pump receiving the patient's venous blood from a reservoir (4). In the communication (16) between the reservoir and the chamber a float valve...http://www.google.fr/patents/US6630107?utm_source=gb-gplus-shareBrevet US6630107 - Blood pumping equipment for extracorporeal circulation and ventricular assistance
Blood pumping equipment for extracorporeal circulation and ventricular ...