Streamlined unobstructed one-pass axial-flow pump
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Date
2007-06-12Author
Wood, Houston
Allaire, Paul
Olsen, Don
Day, Steven
Song, Xinwei
Untaroiu, Alex
Throckmorton, Amy
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A blood pump has an impeller rotatably disposed and magnetically suspended within a cavity of a stator by a plurality of magnetic bearings (passive permanent and active electromagnetic) having impeller magnets on the impeller and stator magnets or coils/poles on the stator. A motor includes impeller magnets on the impeller and coils/poles associated with the stator. A single, annular blood flow path extends axially through the cavity between the impeller and the stator, and between the impeller magnets on the impeller and the stator magnets or the coils/poles on the stator.
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