ALL THORATEC CORPORATION PRODUCTS CENTRIFUGAL BLOOD PUMP PEDIMAG® ADULT VENTRICULAR ASSIST DEVICE PVAD™ ADULT VENTRICULAR ASSIST DEVICE HEARTMATE II® LVAD VENTRICLE ASSIST PUMP CONTROL UNIT HEARTMATE II battery-powered Medical device control unit Extracorporeal circulation system Battery-powered control unit Ventricular assist device Adult ventricular assist device Centrifugal blood pump