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Nasal delivery devices

  • US 20040112380A1
  • Filed: 02/12/2004
  • Published: 06/17/2004
  • Est. Priority Date: 02/26/2001
  • Status: Active Grant
First Claim
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1. An exhalation breath-actuated nasal delivery device for delivering a substance to a nasal cavity of a subject, comprising:

  • a nosepiece for fitting to a nostril of a subject;

    a mouthpiece through which the subject in use exhales;

    a nozzle for directing a substance through the nosepiece;

    a mechanical delivery pump fluidly connected to the nozzle for delivering a substance to the nozzle; and

    an actuation mechanism for actuating the mechanical delivery pump in response to oral exhalation through the mouthpiece.

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