Self-cleaning cerumen guard for a hearing device

Details Self-cleaning cerumen guard for a hearing device Self-cleaning cerumen guard for a hearing device

1999-04-06

2000-10-24

Martin, David

Acoustics

Anatomic or prosthetic relation

Ear and mouth

181130, 181129, 181134, 381322, 381328, A61B 702

Patent

active

061352357

ABSTRACT:
A self-cleaning cerumen guard includes a thermally activated element. The cerumen guard is mounted on the distal end of a hearing device adjacent to a sound port. The thermally activated element is oriented in a manner which causes it to retract when heated to a first temperature range and extend when cooled to a second temperature range, such that, upon removal of the hearing device from an ear canal, the self-cleaning cerumen guard will automatically remove any accumulated debris from the sound port.

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