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Administration of CPAP treatment pressure in presence of APNEA

  • US 6,367,474 B1
  • Filed: 01/19/1998
  • Issued: 04/09/2002
  • Est. Priority Date: 11/07/1997
  • Status: Expired due to Term
First Claim
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1. A method for the administration of CPAP therapy comprising the steps of:

  • supplying breathable gas to a patient'"'"'s airway at a treatment pressure;

    determining a measure of respiratory airflow;

    determining the onset of an apnea from a reduction in the measure of respiratory airflow below a threshold and, in response to the onset of an apnea, increasing the treatment pressure by an amount which is a decreasing function of the treatment pressure immediately before the apnea onset; and

    decreasing the pressure following a time interval during which there was no apnea.

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