Hearing aid

Details Hearing aid Hearing aid

1985-07-29

1986-08-26

Fuller, Benjamin R.

Acoustics

Anatomic or prosthetic relation

Ear and mouth

179107E, A61B 702

Patent

active

046077200

ABSTRACT:
To provide a mass-producible hearing aid adapted to be inserted into the external passage of the vast majority of human ears while leaving the concha unencumbered and without requiring individual impressions, the invention proposes a hearing aid which comprises a housing, a coupling element connected to the housing in communication with the sound emission opening of the hearing aid, and a sealing plug detachably connected to the coupling element and having an end remote from the housing, the sealing plug being comprised of cylindrical inner part mounted on the coupling element and an outer part turned back from the inner part at the remote end.

REFERENCES:
patent: 2266788 (1941-12-01), Nelson et al.
patent: 3209082 (1965-09-01), McCarrell et al.
patent: 3882848 (1975-05-01), Klar et al.
patent: 4055233 (1977-10-01), Huntress
patent: 4314553 (1982-02-01), Westerdal
patent: 4375016 (1983-02-01), Harada
patent: 4532649 (1985-07-01), Bellafiore

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