Hundreds of people in need of a heart transplant have been kept alive thanks to a cardiac pump that was designed with the help of NASA expertise in simulating fluid flow through rocket engines. Serving as a “bridge to transplant,” the ventricular assist device keeps blood circulating throughout the body until a donor heart becomes available.
Read more: http://spinoff.nasa.gov/spinoff2002/hm_3.html
Image credit: Blausen Medical Communications Inc., CC BY 3.0