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Nasal delivery devices

  • US 9,010,325 B2
  • Filed: 11/28/2007
  • Issued: 04/21/2015
  • Est. Priority Date: 11/28/2006
  • Status: Active Grant
First Claim
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1. A nasal delivery device for delivering particulate substance to the nasal airway of a subject, the delivery device comprising:

  • a body assembly including a mouthpiece unit which includes a mouthpiece through which the subject in use exhales, a substance-supply unit which is fluidly connected to the mouthpiece unit and configured to receive a replaceable nosepiece unit which includes a nosepiece and contains a container containing particulate substance, and an actuation mechanism which is manually actuatable by the subject to open the container;

    wherein the substance-supply unit is actuatable to provide particulate substance for delivery to the nasal airway of the subject, and includes an interlock mechanism which adopts a first, locking configuration when a nosepiece unit is not fitted to the body assembly, in which the actuation mechanism is locked, and a second, released configuration when a nosepiece unit is fitted to the body assembly, in which the actuation mechanism is actuatable.

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