Nasal delivery device
AssigneeOptiNose AS
InventorPer Gisle Djupesland
Life of this patent
Estimating the term…
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.
Claims40
A nasal delivery device for delivering a substance to the nasal airway of a subject, 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 a driving pressure which would be such as to cause the gas flow 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 which includes an outlet through which the gas flow is in use delivered to the one nostril and a sealing member for providing a fluid tight seal between the outlet and the one nostril.
A nasal delivery device for delivering a substance to the nasal airway of a subject, comprising:
- a closure unit for causing the closure of the oropharyngeal velum of the subject;
- and
- a delivery unit for delivering a substance to one of the nostrils of the subject, wherein the delivery unit comprises a nosepiece which includes an outlet through which the substance is in use delivered to the one nostril and a sealing member for providing a fluid tight seal between the outlet and the one nostril.
Dependencies are inferred from the claim text.