| 摘要 |
A nasal delivery device for and a method of delivering substance to a nasal airway of a subject, the nasal delivery device comprising: a mouthpiece 19 through which the subject in use exhales to cause closure of the oropharyngeal velum of the subject; a nosepiece 17 for fitting to a nostril of a subject, the nosepiece 17 including a nozzle through which substance is in use delivered to the nasal airway; and a manually-actuatable substance supply 20 unit for delivering substance through the nozzle of the nosepiece 17. In one embodiment the device further comprises a breath actuated latch mechanism 23. |
