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Guidable intravascular blood pump and related methods

  • US 10,279,095 B2
  • Filed: 09/26/2018
  • Issued: 05/07/2019
  • Est. Priority Date: 09/03/1999
  • Status: Expired due to Term
First Claim
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1. A method for perfusing a patient with an intravascular blood pump system, the intravascular blood pump system comprising:

  • an intravascular blood pump comprising a rotor having a rotor hub tapering in a distal direction, at least one blade extending outward from the rotor hub, the rotor hub having a distal end extending distally beyond a most distal portion of the at least one blade and a shroud within which the rotor is rotatably disposed;

    a cannula extending from the shroud and comprising an outer cannula surface, the outer cannula surface having a substantially circular cross-section along a portion of its length;

    a guide mechanism comprising a lumen having a proximal end and a distal end, the guide mechanism adapted to guide a distal portion of said intravascular blood pump system to a predetermined location within a circulatory system of the patient, wherein an axis coaxial with and extending through a portion of said guide mechanism extends through a region delimited by the outer cannula surface, and wherein the guide mechanism is configured to allow for a guide wire to slideably advance therealong, the method comprising the steps of;

    progressing the guide wire to a predetermined location in the circulatory system of the patient; and

    advancing the intravascular blood pump system along the guide wire to the predetermined location.

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