Other advantages of the new second generation of continuous flow design LVADs is that they operate silently, unlike the bellows sound of the pulsatile pumps. The also have only one moving part ...

In general, a pulsatile VAD is paracorporeal ... The HeartMate II is currently the only continuous-flow left-ventricular assist device (LVAD) approved by the FDA for both bridge-to-transplantation ...