| abstract |
A nasal delivery device for and a method of delivering substance to a nasal airway of a subject, in particular in the mass treatment, especially mass vaccination, of subjects, the delivery device comprising: an interface unit, as a replaceable unit, including at least one nosepiece unit for fitting to a respective nostril of a subject and including a nozzle from which substance is in use delivered, and at least one delivery unit including a substance supply unit for delivering substance to the nozzle of the at least one nosepiece unit; and an actuation unit for actuating the at least one delivery unit of the interface unit. |