Hearing aid
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United States of America Patent
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Jun 11, 2002
Grant Date -
N/A
app pub date -
Nov 2, 1999
filing date -
Apr 11, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A hearing aid amplifies sound and, by air conduction, stimulates the eardrum to vibrate. A hose or tube may be surgically implanted in the skull bone, or may be otherwise connected in order to convey amplified sound from an electronics module in the hearing aid to the middle ear to stimulate the eardrum to vibrate from the inside of the ear. By doing so, the auditory meatus is left free, and no intervention is required on the eardrum, the inner ear, or the bones of the middle ear.
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