NASAL DELIVERY

摘要

A nasal delivery device for and method of delivering substance to a nasal cavity of a subject, the delivery device comprising : a nosepiece (17) for fitting to a nostril of a subject, wherein the nosepiece (17) comprises a tip element (25) which includes a delivery aperture (26) from which substance is in use delivered into the nasal cavity, and the tip element (25) is at least in part tapered such as to be inclined to a longitudinal axis of the nosepiece (17), with the delivery aperture (28) extending both laterally across the tip element (25) and along a longitudinal extent of the tip element (25); a nozzle (35) through which substance is in use delivered, preferably substantially axially to a longitudinal axis of the nosepiece (17), to the respective nasal cavity; and a delivery unit (37) for delivering substance through the nozzle (35) of the nosepiece (17).