A drug delivery device and method is disclosed which produces aerosolized particles of pharmaceutically active drug for delivery to a patient by inhalation. The device is comprised of a liquid feeding source such as a channel to which formulation is added at one end and expelled through an exit opening....http://www.google.ca/patents/US6792940?utm_source=gb-gplus-sharePatent US6792940 - Device and method for creating aerosols for drug delivery
