Ear wax guard

Details Ear wax guard Ear wax guard

2006-03-14

2006-03-14

Le, Huyen (Department: 2646)

Electrical audio signal processing systems and devices

Hearing aids, electrical

Specified casing or housing

C381S325000, C381S328000

Reexamination Certificate

active

07013016

ABSTRACT:
To prevent soiling of a hearing aid, the latter is provided with an exchangeable ear wax guard which, in the area of the sound outlet opening of the hearing aid, can be inserted into a sound tube. The ear wax guard is characterized in that, in order to improve its securing in the sound channel, it is provided with elevations at least in a subarea of its surface. On the surface of the ear wax guard, the density or size of the elevations preferably increases counter to the direction of insertion of the ear wax guard.

REFERENCES:
patent: 4972488 (1990-11-01), Weiss et al.
patent: 5712918 (1998-01-01), Yoest
patent: 5864628 (1999-01-01), Posen et al.
patent: 6795562 (2004-09-01), Gunnersen et al.
patent: WO 99/07182 (1999-02-01), None
patent: WO 00/03561 (2000-01-01), None

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