A centrifugal blood pump, used for heart-lung machines or the like, having at least one impeller, a casing having an inlet and an outlet, the casing formed to have a space for rotatably housing the at least one impeller and a magnetic drive disposed outside the casing. The impeller may have vanes attached...http://www.google.fr/patents/US5713730?utm_source=gb-gplus-shareBrevet US5713730 - Ceramic pivot bearing arrangement for a sealless blood pump
Ceramic pivot bearing arrangement for a sealless blood pump
