Method for treating naturally obstructed paranasal sinuses

摘要

A method of treating a patient's paranasal sinus having an obstructed or narrowed naturally occurring bony and mucosal ostium or duct which does not have scar tissue or granulation tissue. A balloon of a balloon catheter is inflated in the obstructed or narrowed naturally occurring bony and mucosal ostium or duct to enlarge the naturally occurring bony and mucosal ostium or duct. The ostium or duct remains enlarged after the balloon catheter is removed.