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Start-up algorithm for an implantable blood pump

  • US 9,731,058 B2
  • Filed: 07/26/2016
  • Issued: 08/15/2017
  • Est. Priority Date: 08/31/2012
  • Status: Active Grant
First Claim
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1. A method for starting a rotor of an implantable blood pump, the method comprising:

  • performing an initial rotation of the rotor by an angle larger than an angle corresponding to a quarter of an angular distance between two neighboring magnetic poles of the rotor; and

    after the performing, rolling the rotor, while the rotor remains in contact with a dividing wall defining a blood flow conduit in which the rotor is disposed, from a first start position to a first target position prior to magnetic levitation of the rotor to position the rotor within the blood flow conduit for pumping blood, wherein a magnet of the rotor experiences a reduced magnetic attraction at the first target position compared to the first start position.

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