Cerumen trap for hearing aids
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 21, 1992
Grant Date -
N/A
app pub date -
Dec 26, 1990
filing date -
Aug 26, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A cerumen trap for hearing aids comprises a sound channel and a plurality of perforations arranged in a stellate pattern around the sound channel which connect the sound outlet of an earpiece with the sound channel. A cylindrical component (1) with a connecting piece (3) which surrounds the sound channel can be inserted in the hearing aid. A number of angle brackets (4) with locking detents (5) are arranged on the periphery of the component (1). The sound outlet opening (2) can be closed off from the exterior by a cap (7) which has a locking groove (8) on the inner wall and which engages with the locking detents (5).
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