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US 8,522,778 B2Granted
Nasal devices
AssigneeOptiNose AS
InventorPer Gisle Djupesland
Life of this patent
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Abstract
A nasal delivery device for and a method of delivering a substance to a nasal cavity of a subject, the delivery device including: a nosepiece for fitting to a nostril of a subject; a substance supply unit for supplying a substance for delivery through the nosepiece; and a delivery prevention mechanism for preventing delivery of a substance through the nosepiece until the nosepiece is properly fitted to the nostril of the subject.
Claims7
A nasal delivery device for delivering a substance to a nasal cavity of a subject, including:
- a nosepiece for insertion into a nostril of a subject;
- a mouthpiece through which the subject in use exhales;
- a flow path fluidly which connects the nosepiece and the mouthpiece, whereby exhaled air from an exhalation breath is deliverable through the flow path;
- a substance supply unit operable to supply a substance for delivery through the nosepiece;
- and
- a delivery prevention mechanism configured to prevent exhalation through the flow path, wherein the delivery prevention mechanism comprises first and second members movable relative to one another between first and second configurations, one of the members defining at least a part of the flow path, and the other member including a blocking element which blocks the flow path when the first and second members are in the first configuration and opens the flow path when the first and second members are in the second configuration.
3 more elements
Dependencies are inferred from the claim text.