Surgery – Liquid medicament atomizer or sprayer – Pre-pressurized container holding medicament
Patent
1992-06-02
1996-07-09
Asher, Kimberly L.
Surgery
Liquid medicament atomizer or sprayer
Pre-pressurized container holding medicament
239338, 222635, A61M 1126, B65D 8314
Patent
active
055334989
ABSTRACT:
An actuator for use in inhalation therapy comprising a nozzle block having an orifice and at least one bleed hole, a deagglomeration chamber, and an exit chamber, together configured as a means for increasing the respirable fraction of an aerosol formulation. This invention also provides an actuator as described above in combination with an aerosol canister comprising a pharmaceutical formulation, and a method of administering a pharmaceutical formulation via inhalation therapy. The actuator finds particular use in improving the respirable fraction of drug in aerosol formulations. The actuator also retains non-respirable particles, thus reducing the amount of drug that is inadvertently administered orally.
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Asher Kimberly L.
Griswold Gary L.
Kirn Walter N.
Minnesota Mining and Manufacturing Company
Ringsred Ted K.
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