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Respiratory devices

  • US 7,992,564 B2
  • Filed: 02/24/2010
  • Issued: 08/09/2011
  • Est. Priority Date: 12/08/2004
  • Status: Expired due to Fees
First Claim
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1. A nasal respiratory device adapted to be secured at least partially over a subject'"'"'s nose comprising:

  • a nasal mask body configured to be secured at least partially over the subject'"'"'s nose without covering the subject'"'"'s mouth;

    an airflow resistor coupled to the nasal mask body and configured to increase the resistance to air exhaled through the device more than the resistance to air inhaled through the device; and

    a holdfast comprising one or more straps configured to secure the nasal mask body at least partially over the subject'"'"'s nose.

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