NASAL DELIVERY DEVICE
First Claim
1. A nasal delivery device, comprising:
- a mouthpiece through which a user in use exhales to actuate the delivery device;
a nosepiece for fitting in or to a nostril of the user;
a substance supply unit actuatable to deliver a dose of a substance through the nosepiece; and
a trigger mechanism for actuating the substance supply unit in response to exhalation through the mouthpiece.
1 Assignment
0 Petitions
Accused Products
Abstract
A breath-actuated nasal delivery device, comprising: a mouthpiece through which a user in use exhales to actuate the delivery device; a nosepiece for fitting to a nostril of the user through which a substance is in use delivered; a substance supply unit actuatable to deliver a dose of a substance through the nosepiece; a loading unit operable to load the substance supply unit with an actuation force; and a release mechanism for enabling actuation of the substance supply unit in response to exhalation by the user through the mouthpiece; wherein the release mechanism comprises a locking unit which is movable: between a locking configuration in which the substance supply unit is locked in a non-actuated position when loaded by the loading unit and a release configuration in which the substance supply unit is actuatable by the loading unit, and a trigger member for releasing the locking unit from the locking configuration to the release configuration in response to exhalation by the user through the mouthpiece and thereby enabling actuation of the substance supply unit.
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Citations
21 Claims
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1. A nasal delivery device, comprising:
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a mouthpiece through which a user in use exhales to actuate the delivery device; a nosepiece for fitting in or to a nostril of the user; a substance supply unit actuatable to deliver a dose of a substance through the nosepiece; and a trigger mechanism for actuating the substance supply unit in response to exhalation through the mouthpiece. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A nasal drug delivery system comprising:
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a container containing a substance to be delivered into the nasal passages of a user; a nasal shaft extending from the drug delivery system for placement in or at the nose of user, said nasal shaft in fluid communication with a valve of said container; an oral shaft, extending from the drug delivery system for placement in the mouth of a user; and a pressure activated diaphragm trigger means, wherein upon application of pressure to the oral shaft the diaphragm trigger means releases a predetermined amount of said substance from said container to said nasal shaft. - View Dependent Claims (11, 12, 13, 14, 15)
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16. A method of delivering a predetermined amount of medication to the nasal epithelia of a user comprising the steps of:
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providing a drug applicator having a container containing a substance to be delivered, a nasal shaft, extending from the drug applicator for placement in or at the nose of user, with said nasal shaft in fluid communication with a valve of said container, an oral shaft extending from the drug applicator for placement in the mouth of a user, and a pressure activated diaphragm trigger means; inserting the oral shaft into the mouth of a user; inserting the nasal shaft into or at the nose of a user pressurizing the oral shaft which activates the diaphragm trigger means; and releasing a predetermined amount of medicament from the container into the nasal shaft and into the nasal passage of the user. - View Dependent Claims (17, 18, 19, 20, 21)
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Specification