Wax guard for hearing aids

Details Wax guard for hearing aids Wax guard for hearing aids

1990-09-04

1992-03-31

Hix, L. T.

Acoustics

Anatomic or prosthetic relation

Ear and mouth

181135, H04R 2502

Patent

active

050999478

ABSTRACT:
Hearing aids, particularly hearing aids of the type embodying an ear-fitted housing having an interior receiver at the receiver tube leading from the interior receiver to the exterior of the housing. Particularly, a wax guard in the form of a coil of wire which is interference-fitted within the receiver to provide a restrictive path for ear wax and, thus protect the receiver.

REFERENCES:
patent: Re27487 (1972-09-01), Hassler
patent: 3097059 (1963-07-01), Hoffmann
patent: 3565069 (1971-02-01), Miller
patent: 3605816 (1971-09-01), Nilsson
patent: 3901359 (1975-08-01), Jentsch
patent: 4375016 (1983-02-01), Harada
patent: 4498555 (1985-02-01), Cerny
patent: 4549035 (1985-10-01), Zaltsberg
patent: 4647072 (1987-03-01), Westman
patent: 4729451 (1988-03-01), Brander et al.
patent: 4869704 (1989-09-01), Fisher

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