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Ventilation interface for sleep apnea therapy

  • US 9,919,121 B2
  • Filed: 08/18/2015
  • Issued: 03/20/2018
  • Est. Priority Date: 03/13/2000
  • Status: Expired due to Fees
First Claim
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1. A valve assembly configured for coupling to a respiratory interface, the valve assembly comprising:

  • at least one valve member that is configured to pivot to a closed position during exhalation;

    wherein the at least one valve member has a proximal surface and a distal surface;

    wherein a majority of the distal surface of the at least one valve member is exposed to unfiltered atmosphere at the start of inspiration during use;

    wherein the said respiratory interface is configured to contact at least one of the bottom of a user'"'"'s nose and at least one of the user'"'"'s nostrils.

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