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Nasal devices

  • US 7,975,690 B2
  • Filed: 06/12/2002
  • Issued: 07/12/2011
  • Est. Priority Date: 06/12/2001
  • Status: Active Grant
First Claim
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1. A method of delivering substance to a nasal airway of a subject, comprising the steps of:

  • fitting a nosepiece to a nasal cavity of a subject, the nosepiece including a nozzle through which substance is delivered to the nasal airway, and at least one inflatable cuff member;

    the subject exhaling through a mouthpiece unit to cause closure of the oropharyngeal velum of the subject;

    inflating the at least one cuff member simultaneously with, or in response to, the subject exhaling through the mouthpiece unit; and

    delivering substance through the nozzle of the nosepiece.

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  • 6 Assignments
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