best in its class (from businessweek)

HeartWare International (HTWR), has the best technology for what's called a ventricular assist device and is basically a heart pump. In a world where a substantial number of people have heart failureand there aren't enough heart transplants to go aroundthere's going to be a big market for this over the next five to seven years. While the device isn't available in the U.S. yet, its technology looks best in class.


http://www.businessweek.com/magazine/content/10_36/b4193086863442.htm