The Harvard Apparatus Pulsatile Blood Pump truly simulates the pumping action of the heart. It features silicone rubber-covered heart-type ball valves and smooth flow paths, which minimize hemolysis. The pulsatile output closely simulates the ventricular action of the heart. This action provides physiological advantages in blood flow for perfusion in cardiovascular and hemodynamic studies. It is ideal for isolated organ perfusion, whole body perfusion, blood transfers, hydration/dehydration procedures, and blood cellular profile studies.