Patent ID: 8899230

Claim:
An aerosol therapy device for delivery of an active agent to the paranasal sinuses of a patient comprising: (a) an aqueous drug reservoir, said aqueous drug reservoir being connected to (b) an aerosol generator for the generation of aerosol particles, said aerosol generator being connected to (c) an air-flow supply device, said air-flow supply device producing a single airflow to carry said aerosol particles of (b), wherein said single airflow consists of a pulsating flow of air and comprises a pressure field produced by a pulsed pressure wave, wherein said pulsating airflow pulsates at a frequency from about 150 Hz to about 6000 Hz; and (d) a nosepiece to direct said single airflow comprising aerosol particles of (c) into one of the two alae of the nose of the patient wherein said nose piece is a twin-port nose piece, whereby said aerosol therapy device delivers aerosol particles comprising an active agent to the paranasal sinuses of the patient.