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Blood oxygenator

  • US 9,717,835 B2
  • Filed: 04/23/2015
  • Issued: 08/01/2017
  • Est. Priority Date: 04/23/2014
  • Status: Active Grant
First Claim
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1. An oxygenator comprising:

  • a first polymer layer comprising a first plurality of gas channels and a first plurality of fluid channels;

    a second polymer layer comprising a second plurality of gas channels and a second plurality of fluid channels, each of the second plurality of gas channels overlapping one of the first plurality of fluid channels and each of the second plurality of fluid channels overlapping one of the first plurality of gas channels;

    a third polymer layer comprising a third plurality of gas channels and a third plurality of fluid channels, each of the third plurality of gas channels overlapping one of the second plurality of fluid channels and each of the third plurality of fluid channels overlapping one of the second plurality of gas channels; and

    a plurality of gas vias defined in the second polymer layer, each of the plurality of gas vias coupling one of the first plurality of gas channels to one of the third plurality of gas channels.

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