Patent ID: 8590530

Claim:
A nasal delivery device for delivering substance to a nasal cavity of a subject, the delivery device comprising: a container-receiving unit comprising a container chamber for receiving a substance-containing container which contains substance to be delivered to the nasal cavity of the subject, the container chamber including an inlet and an outlet; a nosepiece unit including a nosepiece for fitting to a nasal cavity of the subject, the nosepiece being in fluid communication with the outlet of the container chamber; and a mouthpiece unit including a mouthpiece in fluid communication with the inlet of the container chamber and through which the subject in use exhales, so as to entrain substance from the container and deliver the same through the nosepiece, and an air chamber which fluidly connects the mouthpiece to the inlet of the container chamber, wherein the air chamber incorporates a temperature regulator for regulating a temperature of an air flow as exhaled therethrough.