In-the-ear hearing aid with flexible seal

Details In-the-ear hearing aid with flexible seal In-the-ear hearing aid with flexible seal

1995-03-17

1998-04-21

Le, Huyen D.

Electrical audio signal processing systems and devices

Sound effects

Reverberators

381 69, H04R 2500

Patent

active

057426929

ABSTRACT:
An in-the-ear hearing aid has a collar which can form a flexible seal in the bony part of the ear canal so as to reduce the occlusion effect. The collar comprises a tubular portion which is engageable against the wall of the ear canal, a fixing portion and a curved sealing portion. Owing to the use of this collar it is not necessary to make a mold of the bony part of the ear canal. This collar enables the hearing aid to be constructed in a manner such that it can be inserted so deep into the ear.

REFERENCES:
patent: 2430229 (1947-11-01), Kelsey
patent: 3170046 (1965-02-01), Leale
patent: 3852540 (1974-12-01), Diethelm
patent: 4617429 (1986-10-01), Bellafiore
patent: 4870688 (1989-09-01), Voroba et al.
patent: 5031219 (1991-07-01), Ward et al.
patent: 5195139 (1993-03-01), Gauthier
patent: 5220612 (1993-06-01), Tibbetts et al.

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