Implantable electromagnetic middle-ear bone-conduction hearing aid device
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United States of America Patent
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May 14, 1991
Issued Date -
N/A
app pub date -
Mar 17, 1988
filing date -
May 22, 1985
priority date (Note) -
Expired
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Abstract
An implantable electromagnetic middle-ear bone-conduction hearing aid device is provided which is characterized by being carried entirely in the skull of the user, the absence of electrodes entering the middle-ear, and variability to meet a variety of pathological entities of the hearing impaired user. The device utilizes a sound processing component adapted to be positioned in the skull of the user and to extend from close proximity to the outside of the skull toward and within close proximity to the middle-ear of the user for receiving and converting sound into an electromagnetic signal and for transmitting the electromagnetic signal into the middle-ear of the user. A vibration generating component is adapted to be implanted in the small bones of the ossicular chain in the middle-ear for receiving the electromagnetic signal from the sound processing component and for vibrating the ossicular chain in response to such electromagnetic signal to stimulate the inner ear to create the perception of sound in the hearing impaired user.
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