MECHANICAL DILATION OF THE OSTIA OF PARANASAL SINUSES AND OTHER PASSAGEWAYS OF THE EAR, NOSE AND THROAT
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United States of America Patent
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app pub date -
Mar 16, 2015
filing date -
Apr 21, 2004
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Abstract
Devices and methods for dilating the ostia of paranasal sinuses and other passageways within the ear, nose and throat. A mechanical dilator is inserted through a nostril and used to dilate an ostium or a paranasal sinus or other passageway within the ear, nose or throat (e.g., a Eustachian tube or nasolacrimal duct). The mechanical dilator may be an expandable dilators that comprises one or more non-balloon structures with or without an accompanying balloon or a members of varying diameter or cross dimension (e.g., a tapered member) that may be advanced into the ostium or other passageway to cause dilation of that passageway.
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