Patent ID: 8122881
Filing Date: 2012-02-28
Classification: A61M

Abstract:
1. A particle dispersion device for nasal delivery suitable for topical drug delivery to, or systemic drug delivery via, a deep nasal cavity or paranasal sinus, comprising: a nasal adapter having an input and an output; a particle dispersion chamber having a particle entry end and an output opening and an internal channel between the particle input end and the output opening, the output opening in communication with the nasal adapter input, the particle dispersion chamber having directed fluid outputs within and communicating with the internal channel and configured to direct output forward to impart a vortical flow to aerosolized particles exiting the dispersion chamber output opening and entering the nasal adapter, and wherein the internal channel has a substantially continuous cross-sectional area from the particle input end of the housing and including a location of a fluid output within the internal channel to, and including, the output opening; a nebulizing or aerosolizing chamber in direct communication with the particle dispersion chamber, and in which a medicine is nebulizable or aerosolizable; and a nebulizing or aerosolizing pressure feed in communication with the nebulizing or aerosolizing chamber, and having a compressor channel to channel compressed fluid.