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Nasal devices

  • US 7,740,014 B2
  • Filed: 02/26/2002
  • Issued: 06/22/2010
  • Est. Priority Date: 02/26/2001
  • Status: Active Grant
First Claim
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1. A nasal delivery device for delivering a substance to a nasal cavity of a subject, including:

  • a nosepiece for insertion into a single nostril of a subject;

    a substance supply unit operable to supply a substance for delivery through the nosepiece; and

    a delivery prevention mechanism operable by insertion of a nosepiece into the nostril of the subject and being configured to prevent operation of the substance supply unit until the nosepiece achieves a sealing fit with the nostril of the subject.

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