James F. Antaki - Allison Park PA
Bradley Paden - Santa Barbara CA
Gregory Burgreen - Pittsburgh PA
Nelson Groom - White Marsh VA
The University of Pittsburgh - Pittsburg PA
The United States of America as represented by the United States National Aeronautics and Space Administration - Washington DC
417354, 417356, 4174231, 41742312, 415900
A rotary pump for pumping fluids through a patient having a housing with an internal region, a stator member and an impeller positioned within the housing and having impeller blades, wherein the impeller is magnetically suspended and rotated, and wherein the geometric configuration of the rotary pump is sized and proportioned to minimize stagnant and traumatic fluid flow within the rotary pump. The plurality of magnetic impeller blades are preferably rare earth, high-energy-density magnets selected from the group consisting of samarium cobalt and neodymium-iron-boron alloy.