Surgery – Surgically implanted vibratory hearing aid
Patent
1997-08-07
1999-11-30
Hindenburg, Max
Surgery
Surgically implanted vibratory hearing aid
607 55, 181129, H04R 2500
Patent
active
059933763
ABSTRACT:
A hearing assistance system senses sound vibrations of an auditory element in the middle ear and provides a stimulus to an auditory sensory element. The vibrations are received through the tympanic membrane, and sensed at the tympanic membrane, malleus, incus, or other auditory element. An electromagnetic sensor includes receiving and reference elements, e.g. a permanent magnet and a coil, having a time-varying magnetic flux linkage due to the vibrations. The magnet and coil are pivotably coupled to an auditory element and a carrier, or vice-versa, for self-alignment. A resulting electrical signal on the coil is processed, then provided to an output stimulator for mechanical or electrical stimulation of the cochlea.
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Hindenburg Max
Marmor II Charles
St. Croix Medical, Inc.
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