System and method for diagnosis and treatment of a breathing pattern of a patient

  • US 9,867,955 B2
  • Filed: 02/27/2015
  • Issued: 01/16/2018
  • Est. Priority Date: 08/14/2003
  • Status: Active Grant
First Claim
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1. A positive airway pressure system for delivery of a flow of breathable gas at a positive treatment pressure with respect to ambient air pressure delivered to an entrance of a patient'"'"'s airways in order to assist in treating a sleeping disorder in a patient, the positive airway pressure system comprising:

  • a flow generator which supplies a positive treatment pressure flow of breathable gases to the entrance of a tube, the tube directing the flow of breathable gases to the airway of a patient to provide the patient with the positive treatment pressure flow of breathable gases;

    a flow sensor located in a flow path of the positive treatment pressure flow of breathable gases, the flow sensor measuring data corresponding to the flow of breathable gases directed to the patient and indicative of the patient'"'"'s breathing patterns; and

    a processing arrangement which receives the measured data corresponding to the flow of breathable gases from the flow sensor and analyzes the data to determine the patient'"'"'s breathing patterns, the processing arrangement also determines whether to alter the pressure supplied to the airway of the patient based, at least in part, on the determined breathing patterns of the patient, wherein the processing arrangement applies a greater positive treatment pressure in an asleep state and a lesser positive treatment pressure in an awake state, wherein when the processor determines that the patient has transitioned between at least an awake state and an asleep state, the processing arrangement automatically controls the flow generator to increase a positive treatment pressure supplied to the entrance of the tube using a ramp system.

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