Patent ID: 8733343
Filing Date: 2014-05-27
Classification: A61M,B01F,B01J,B05B,B82Y,C40B,F02M,F23D,G01N

Abstract:
1. A device for aerosol drug delivery in operation, comprising: a feeding source having flowing there through a pharmaceutically active, liquid drug which drug is, during operation, being expelled from an exit opening of the feeding source as a liquid stream: and a pressure chamber having flowing there through to an exit orifice, a gas which surrounds the liquid stream and exits the orifice located downstream of a flow path of the liquid stream expelled from the exit opening of the feeding source; wherein the exit opening of the feeding source is separated by a distance from about 0.002 mm to about 2 mm from the exit orifice of the pressure chamber; wherein the liquid stream is, during operation of the device, substantially smaller in size then the diameter of the exit orifice of the pressure chamber; wherein the feeding source has a circular exit opening with a diameter in a range of about 0.002 mm to about 2 mm; wherein the exit orifice of the pressure chamber does not require cleaning, and does not require replacement.