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Method and systems for the delivery of oxygen enriched gas

  • US 9,440,036 B2
  • Filed: 10/14/2013
  • Issued: 09/13/2016
  • Est. Priority Date: 10/12/2012
  • Status: Active Grant
First Claim
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1. A method of providing oxygen enriched gas to a user of an oxygen concentrator, comprising:

  • measuring the time between a plurality of successive breaths, wherein a breath is determined to begin when a drop in pressure is measured using a pressure sensor coupled to an outlet of a conduit coupling the user to an oxygen enriched gas source;

    determining an average breathing rate based on the time between each breath of the plurality of successive breaths, wherein the time between a penultimate breath and a last breath of the plurality of successive breaths is not used to determine the average breathing rate; and

    setting an inspiration breath pressure threshold for the pressure sensor based on the determined average breathing rate.

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