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Sleep apnea treatment apparatus

  • US 7,013,892 B2
  • Filed: 07/18/2003
  • Issued: 03/21/2006
  • Est. Priority Date: 11/01/1991
  • Status: Expired due to Term
First Claim
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1. A system for delivering pressurized gas to an airway of a patient comprising:

  • a pressure generating system;

    a conduit having a first end operatively coupled to the pressure generating and a second end;

    a patient interface operatively coupled to the second end of the conduit;

    a sensor operatively coupled to the pressure generating system, the conduit, or the patient interface, wherein the sensor is adapted to detect a parameter indicative of a patient breathing into the patient interface; and

    a processor operatively coupled to the sensor and the pressure generating system, wherein the processor determines whether a patient is breathing into the patient interface based on the output of the sensor, wherein the processor is programmed to activate the pressure generating system from a first state, in which the pressure generating system is deactivated, to a second state, in which the pressure generating system is activated and operated in accordance with a pressure support mode over multiple respiratory cycles, responsive a determination that such a patient is breathing into the patient interface.

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