| 摘要 |
A nasal delivery device for delivering substance to a nasal airway of a subject, comprising: a nosepiece for fitting to a nostril of a subject, the nosepiece including a nozzle through which substance is in use delivered to the nasal airway, and at least one inflatable cuff member which is configured to be inflated subsequent to exhalation by the subject and/or, when inflated, to provide a fluid-tight seal between the nosepiece and an inner wall of the nasal cavity of the subject; a delivery unit for delivering substance through the nozzle of the nosepiece: and a mouthpiece unit through which the subject in use exhales to cause closure of the oropharyngeal velum of the subject. |
