Middle ear ventilating tube and method

Details Middle ear ventilating tube and method Middle ear ventilating tube and method

Filed on

1977-12-21

Date issued

1979-09-25

Examiner

Truluck, Dalton L.

Patent Class

Surgery

SubClass

Truss

SubSubClass

Perineal

Other Related Categories

128151, 128350R, 3 1, A61B 1900, A61F 118

Type

Patent

Status

active

Patent number

041686977

Description

ABSTRACT:
A ventilating tube and method are provided for maintaining a desired gaseous partial pressure in the middle ear comprising in combination a tube having an axial lumen, means on the tube holding the tube in place in a wall of the inner ear and a selective permeability membrane closing the tube lumen.

REFERENCES:
patent: 3228394 (1966-01-01), Ayres
patent: 3530860 (1970-09-01), Majoros
patent: 3807409 (1974-04-01), Paparella et al.
patent: 3916873 (1975-11-01), Wasserman

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