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Method and apparatus for treatment of respiratory disorders

  • US 10,369,310 B2
  • Filed: 03/05/2014
  • Issued: 08/06/2019
  • Est. Priority Date: 03/05/2014
  • Status: Active Grant
First Claim
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1. Apparatus for treating a respiratory disorder comprising:

  • a pressure device, anda controller, including at least one processor, configured to control the pressure device to;

    supply, upon initiation of treatment, a flow of pressurised air to the airway of a patient at a treatment pressure according to a pre-sleep profile of pressure versus time,increase, upon detection of sleep onset of the patient, the treatment pressure to a predetermined therapeutic pressure according to a bridging profile of pressure versus time, andsupply the flow of pressurised air to the airway of the patient at a therapeutic pressure,wherein the controller is configured to detect the sleep onset by detecting;

    few or no respiratory disturbances occurring within a predetermined interval, the predetermined interval being a predetermined time or predetermined breath count, wherein, by monitoring respiratory flow derived from a flow transducer, the controller detects few or no respiratory disturbances to detect the sleep onset by testing lack of variation during the predetermined interval of expiratory peak flow location.

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