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Nasal respiratory devices

  • US 7,856,979 B2
  • Filed: 05/22/2007
  • Issued: 12/28/2010
  • Est. Priority Date: 05/23/2006
  • Status: Active Grant
First Claim
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1. A nasal respiratory device configured to be worn while sleeping and to be secured in communication with a subject'"'"'s nasal cavity, the device comprising:

  • an airflow resistor configured to inhibit expiration more than inhalation; and

    a holdfast configured to secure the device in communication with the subject'"'"'s nasal cavity;

    wherein the nasal respiratory device has a resistance to expiration that is between about 0.001 and about 0.25 cm H2O/(ml/sec), and a resistance to inhalation that is between about 0.0001 and about 0.02 cm H2O/(ml/sec), when resistance is measured at 100 ml/sec.

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