Cheney has the Heartmate II (the same device the researchers used two of in this project). It is an axial flow as opposed to centrifugal pump. The first back no

Cheney has the Heartmate II (the same device the researchers used two of in this project). It is an axial flow as opposed to centrifugal pump. The first back non-pulsating heart assist device I could find is the hemopump: http://en.wikipedia.org/wiki/Hemopump http://en.wikipedia.org/wiki/Hemopump