| 摘要 |
A delivery device for and method of delivering substance to a nasal airway of a subject, the delivery device comprising: at least one nosepiece unit 21 for insertion into one nasal cavity of a subject and comprising a nosepiece 25 for fitting to the respective nostril of the subject; and at least one delivery unit 23 which is operative to deliver a substance through the at least one nosepiece unit 21 into the one nasal cavity of the subject, wherein the at least one delivery unit 23 includes a substance supply unit 27 for delivering a substance and an actuation unit 29 which is operable to actuate the substance supply unit 27, either automatically or manually, in response to nasal exhalation or at least attempted nasal exhalation by the subject. |
