| 摘要 |
A nasal delivery device for delivering substance to a nasal airway of a subject, comprising: a nosepiece (15) for fitting to a nostril of a subject; a chamber (13) fluidly connected to the nosepiece (15) and including a flow regulator (19) for generating a regulated gas stream within the chamber (13) along a flow axis in a flow direction towards the nosepiece (15), wherein the flow regulator (19) is configured to focus and accelerate a gas flow provided thereto and generate a regulated gas stream of increased velocity within the chamber (13) along the flow axis; and a delivery unit (23) comprising a substance supply unit (29) and at least one nozzle (27) fluidly connected to the substance supply unit (29) for delivering at least one aerosol spray into the gas stream. |
