Patent ID: 6761532
Filing Date: 2004-07-13
Classification: A61M,F04D

Abstract:
A blood pump having inlet and outlet regions, said blood pump comprising:a. a stator having at least one of first and second contact portions adjacent at least one of said inlet and outlet regions, respectively; b. a rotor magnetically supported adjacent said stator for rotation relative thereto, said rotor having at least one of third and fourth contact portions adjacent said at least one of first and second contact portions, respectively; c. at least one of said first and second contact portions having properties resistant to damage resulting from potential touch down of said rotor against said stator; d. at least one of said third and fourth contact portions having properties resistant to damage resulting from potential touch down of said rotor against said stator; and e. wherein each of said first through fourth contact portions are at least one of titanium, alloyed titanium, ceramic, and a jewel.