Contact laser surgical endoscope and associated myringotomy procedure
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United States of America Patent
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Apr 13, 1999
Grant Date -
N/A
app pub date -
May 2, 1996
filing date -
May 2, 1996
priority date (Note) -
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status (Latency Note)
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Abstract
In a myringotomy, a selected amount of tympanic membrane tissues are removed from a patient by the application of laser energy to vaporize the tissues. An endoscope is inserted into the ear canal and used to visually detect and locate the cellular material to be removed The endoscope has a laser guide with a distal tip which extends beyond the distal end of the optical elements of the endoscope, thereby enabling placement, under direct visual observation, of the distal tip of the laser guide in contact with the tympanic membrane. A controlled amount of electromagnetic radiation is transmitted along the laser guide only after contact of the distal tip of the laser guide with the tissues to be removed.
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