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Multiple rotor, wide blade, axial flow pump

  • US 20060245959A1
  • Filed: 04/29/2005
  • Published: 11/02/2006
  • Est. Priority Date: 04/29/2005
  • Status: Active Grant
First Claim
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1. A blood pump, comprising:

  • a pump housing;

    a plurality of rotors positioned in said housing, each rotor comprising an impeller having a hydrodynamic surface for pumping blood;

    a motor including a plurality of magnetic poles carried by each impeller, and motor stators, each including electrically conductive coils, located adjacent to or within said housing;

    at least one of said rotors being adapted to rotate clockwise and at least one of said rotors being adapted to rotate counterclockwise.

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