Patent ID: 6457470
Filing Date: 2002-10-01
Classification: A61M,B05B

Abstract:
An inhaler for enabling inhaled administration to and via the nasal mucosa, the inhaler comprising a housing having an outlet duct defining a passageway through which air can be drawn by inhalation by a user, the housing containing:a liquid container; a liquid outlet; a pump for supplying liquid from the liquid container to the liquid outlet; a voltage applier for applying a voltage to the liquid prior to issue from the outlet to expose the liquid to an electric field to cause comminution of liquid emerging from the outlet to produce a spray of electrically charged droplets; and an electric field controller for controlling the electric field to cause electrically charged droplets to be supplied to a zone of deposition within the user's airways when air is drawn through the passageway by inhalation by the user.