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Nasal devices

  • US 8,047,202 B2
  • Filed: 12/19/2008
  • Issued: 11/01/2011
  • Est. Priority Date: 07/02/2002
  • Status: Expired due to Term
First Claim
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1. A nasal delivery device for delivering substance to a nasal airway of a subject, comprising:

  • a disposable interface unit, comprising at least one nosepiece unit for fitting to a respective nostril of a subject, each nosepiece unit comprising a nozzle from which substance is in use delivered, a mouthpiece into which the subject in use exhales, and at least one delivery unit comprising a substance supply unit for delivering substance to the nozzle of the at least one nosepiece unit; and

    an actuation unit for actuating the at least one delivery unit of the interface unit in response to exhalation by the subject into the mouthpiece;

    wherein the interface unit is disposable separately of the actuation unit.

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