Electrosurgical instrument for ear surgery
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United States of America Patent
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-
Jul 9, 2002
Grant Date -
N/A
app pub date -
Nov 8, 1999
filing date -
Nov 8, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electrode for use in an electrosurgical aural procedure known as a myringotomy for removing tissue of the tympanic membrane. In a preferred embodiment, the electrode is characterized by a bare active end portion having an outside diameter of 2 mm. In one embodiment, the bare end has a sharp circular edge; In another embodiment, the bare end has a tapered cone shape. When the electrode end is placed against the tympanic membrane and the electrosurgical apparatus activated, a 2 mm hole is punched in the tympanic membrane which allows any middle ear fluid to drain.
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