A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
128/127
A61M 27/00 (2006.01) A61F 11/00 (2006.01)
Patent
CA 2037032
ABSTRACT A permanent middle ear vent tube and method for permanent ventilation of the middle ear include implanting a tube with a tubular base portion having at one end an eccentric flange and formed of a non-compressible material. The tube is implanted in a notch drilled into the bony canal wall and rotating the tube into place.
Jahn Anthony F.
Borden Ladner Gervais Llp
Smith & Nephew Inc.
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