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Integrated centrifugal blood pump-oxygenator, an extracorporeal life support system and a method of de-bubbling and priming an extracorporeal life support system

  • US 9,278,168 B2
  • Filed: 06/26/2013
  • Issued: 03/08/2016
  • Est. Priority Date: 12/07/2006
  • Status: Active Grant
First Claim
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1. A blood oxygenator comprising:

  • a housing having a blood inlet, a blood outlet, a gas inlet, and a gas outlet;

    an impeller rotatable to output a blood flow; and

    an oxygenator membrane in an interior of the housing;

    wherein the housing is configured so that oxygen is transferred from the gas inlet to the oxygenator membrane and transferred from the oxygenator membrane to the blood flow, and carbon dioxide is transferred from the blood flow to the oxygenator membrane and transferred from the oxygenator membrane to the gas outlet;

    the blood flow output from the impeller flowing to an exterior surface of the oxygenator membrane, flowing through the oxygenator membrane, and flowing to the blood outlet after exiting an interior surface of the oxygenator membrane;

    wherein the blood inlet is centrally located in the interior of the oxygenator membrane; and

    the blood oxygenator further comprises a blood outlet channel surrounding the blood inlet and connected to the blood outlet.

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