Nasal delivery device
AssigneeOptiNose AS
InventorPer Gisle DJUPESLAND
Life of this patent
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Abstract
A delivery device (20, 22) for and a method of delivering a substance to the nasal airway (1) of a subject, in particular the posterior region of the nasal airway, the delivery device comprising: a closure unit for causing the closure of the oropharyngeal velum of the subject; and a delivery unit for delivering a gas flow entraining a substance to one of the nostrils of the subject at such a driving pressure as to flow around the posterior margin of the nasal septum and out of the other nostril of the subject wherein the delivery unit comprises a nosepiece (30, 40, 58, 82, 102, 132) which includes an outlet through which the gas flow is in use delivered to the one nostril and a sealing member for sealing the one nostril to the outlet such as in use to prevent the escape of the gas flow through the one nostril.
Claims21
1-34. (canceled)
A device for delivering a substance to a nasal airway of a subject, comprising:
- a mouthpiece through which the subject exhales;
- a nosepiece for fitting to a nostril of the subject;
- a housing comprising an outlet in fluid communication with the nosepiece, an inlet in fluid communication with the mouthpiece;
- a compartment configured to contain the substance, the compartment disposed between the mouthpiece and the nosepiece;
- and
- a plurality of baffle plates disposed between the mouthpiece and the compartment.
A device for delivering an antimigraine substance to a nasal airway of a subject, comprising:
- a mouthpiece through which the subject exhales;
- a nosepiece for fitting to a nostril of the subject;
- a housing comprising an outlet in fluid communication with the nosepiece, an inlet in fluid communication with the mouthpiece;
- a compartment configured to contain the antimigraine substance, the compartment disposed between the mouthpiece and the nosepiece;
- and
- a plurality of baffle plates disposed between the mouthpiece and the compartment.
Dependencies are inferred from the claim text.