Permanent middle ear vent tube and method of insertion

Details Permanent middle ear vent tube and method of insertion Permanent middle ear vent tube and method of insertion

1990-02-27

1991-09-10

Isabella, David J.

Prosthesis (i.e., artificial body members), parts thereof, or ai

Ear or nose prosthesis

A61F 218

Patent

active

050470531

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 have 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.

REFERENCES:
patent: 3982545 (1976-09-01), Silverstein
patent: 4094303 (1978-06-01), Johnston
patent: 4676796 (1987-06-01), Merwin et al.
patent: 4744792 (1988-05-01), Sander et al.
William M. Luxford, et al., Ventilation Tubes: Indications and Complications, Oct. 1984.
Mark T. Weigel, MD, et al., A Prospective Randomized Study of Four Commonly Used Tympanotomy Tubes, Jan. 16, 1988.
"Vitalluum Surgical Appliances", Austenal Laboratories, Inc. (Catalog) Surgical Div., New York, N.Y., Mar. 1948, p. 20.

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