Surgery – Instruments – Means for inserting or removing conduit within body
Patent
1992-07-28
1993-05-04
Shay, David M.
Surgery
Instruments
Means for inserting or removing conduit within body
606 1, 606108, 606167, 606170, A61F 1700
Patent
active
052076857
ABSTRACT:
A tympanic ventilation tube for ventilating and/or releasing fluid from the middle ear has, in accordance with the present invention, a tubular member and a first flange and a second flange connected to opposite ends of the tubular member. The first flange is provided with a cutting edge and with a tongue extension angularly spaced from the cutting edge. The cutting edge facilitates the incising of the tympanic membrane during the insertion of the tubular member, while the first flange and the second flange seat against opposite sides of the membrane following the insertion.
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Cinberg James Z.
Wilk Peter J.
Coleman Henry D.
Dawson Glenn K.
Shay David M.
Sudol R. Neil
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