MEDICAL APPARATUS AND METHOD FOR HOMOGENOUS AEROSOL CREATION

摘要

The present invention provides an airway for an inhaler, comprising (a) a tubular airway portion defining a main axis and having an interior, an inlet end and an outlet end, (b) an aerosol inlet arranged at the inlet end, the airway allowing a substantially unimpeded flow along the main axis for an aerosol introduced through the aerosol inlet, and (c) air inlet means arranged in the vicinity of the distal end, wherein (d) the air inlet means is arranged to cause swirling of air introduced there through, the swirl having an axis generally along the main axis. By this arrangement a mixed swirl of air and aerosol is formed whereby the residence time of the aerosol can be prolonged which typically has a beneficial effect on creating small, fine aerosol particles, which usually results in better deposition into deep lung tissue.