Cerumen block for sound delivery system

Details Cerumen block for sound delivery system Cerumen block for sound delivery system

1998-06-29

1999-12-14

Dang, Khanh

Acoustics

Anatomic or prosthetic relation

Ear and mouth

381325, A61B 702

Patent

active

060004924

ABSTRACT:
An earpiece for a sound delivery system has a sound output port for delivering sound into the ear canal of the user. A cerumen block is provided to prevent cerumen or earwax from blocking the sound output port of the earpiece. The cerumen block is formed by a small flap of material which covers the sound output port and blocks cerumen from entering the sound output port in a closed position while allowing sound to pass around the flap and enter the ear canal in an open position. A resilient hinge returns the cerumen flap to the open position once the earpiece has been placed within the ear canal.

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Richard Navarro, et al. "An Ultrasonic Method of Cleaning Cerumen-Occluded Receivers," The Hearing Journal, Jun. 1998, vol. 51, No. 6, p. 62.
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