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Systems, Methods, and/or Apparatuses for Non-Invasive Monitoring of Respiratory Parameters in Sleep Disordered Breathing

  • US 20100016694A1
  • Filed: 11/13/2007
  • Published: 01/21/2010
  • Est. Priority Date: 11/13/2006
  • Status: Active Grant
First Claim
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1. An air delivery system, comprising:

  • a controllable flow generator operable to generate a supply of pressurized breathable gas to be provided to a patient for treatment;

    a pulse oximeter configured to generate, during a treatment period, a patient effort signal for input to control operation of the flow generator; and

    a controller configured to derive an estimated breath phase of the patient independent of measured flow, based at least in part on the patient effort signal.

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