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Nasal delivery

  • US 8,978,647 B2
  • Filed: 04/07/2008
  • Issued: 03/17/2015
  • Est. Priority Date: 04/05/2007
  • Status: Active Grant
First Claim
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1. A nasal delivery device for delivering substance to a nasal cavity of a subject, the delivery device comprising:

  • a nosepiece for fitting to a nostril of a subject, wherein the nosepiece comprises a tip element which includes a delivery aperture from which substance is in use delivered into the nasal cavity, and the tip element is at least in part tapered so as to be inclined to a longitudinal axis of the nosepiece, with the delivery aperture extending both laterally across the tip element and along a longitudinal extent of the tip element in relation to the longitudinal axis, wherein the tip element of the nosepiece has differing lengths adjacent forwardmost and rearwardmost sections thereof;

    a nozzle through which substance is in use delivered to the respective nasal cavity; and

    a delivery unit for delivering substance through the nozzle of the nosepiece.

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