Drug – bio-affecting and body treating compositions – Effervescent or pressurized fluid containing – Organic pressurized fluid
Patent
1999-11-28
2000-12-05
Krass, Frederick
Drug, bio-affecting and body treating compositions
Effervescent or pressurized fluid containing
Organic pressurized fluid
514951, 514958, 12820023, A61L 904
Patent
active
061562947
ABSTRACT:
The present invention discloses a method of increasing and enhancing mammalian eustachian tube lumen patency and pressure equalization performance by administering an aerosolized mixture of lipid crystals comprised of a mixture of one or more lipids surfactants and one or more spreading agents selected from the group consisting of cholesteryl esters, phospholipids, carbohydrates, and proteins, in powder form, and one or more fluorocarbon propellants through a mammalian nasal orifice. Upon administration, the propellant(s) are evaporated from the mixture and the lipid crystals are deposited at a subject mammalian eustachian tube whereupon said lipid crystals come into contact with lumen surfaces of the tube forming an amorphous spread film thereupon substantially decreasing the opening pressure of the lumen. In a second preferred embodiment, a therapeutically active agent effective in the treatment of otitis media is added to the mixture of lipid crystals and upon administration of said aerosol mixture, the amorphous spread film formed thereby carries said therapeutically active agent through the eustachian tube to the tissues of the middle ear.
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Jagoe Donna
Krass Frederick
Scientific Development and Research, Inc.
Strauss, Esq. Richard L.
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