Hearing aid that facilitates removal of earwax and trapping...

Details Hearing aid that facilitates removal of earwax and trapping... Hearing aid that facilitates removal of earwax and trapping...

2004-11-12

2011-11-01

Le, Huyen D (Department: 2614)

Electrical audio signal processing systems and devices

Hearing aids, electrical

Specified casing or housing

C381S325000, C381S324000

Reexamination Certificate

active

08050440

ABSTRACT:
A hearing aid (2) is provided which includes a receiver tube (14) containing waterproof ear wax mesh trap (16). The receiver tube is removably connected directly to the hearing aid receiver (12) and the tube may be cleaned or replaced by a hearing aid dispenser or audiologist during a patient office visit. The receiver tube includes a waterproof ear wax trap lodged within, that is made of a foamed and stretched PTFE membrane. Further, the length of the receiver tube may be adjusted by the dispenser or audiologist during the office visit by clipping it accordingly.

REFERENCES:
patent: 4763752 (1988-08-01), Haertl et al.
patent: 4870688 (1989-09-01), Voroba et al.
patent: 4870689 (1989-09-01), Weiss
patent: 4987597 (1991-01-01), Haertl
patent: 5278360 (1994-01-01), Carbe et al.
patent: 5327500 (1994-07-01), Campbell
patent: 5530763 (1996-06-01), Aebi et al.
patent: 5970157 (1999-10-01), Yoest

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