Surgery – Surgically implanted vibratory hearing aid
Patent
1996-08-07
1998-12-01
Lacyk, John P.
Surgery
Surgically implanted vibratory hearing aid
607 55, H04R 2500
Patent
active
058429670
ABSTRACT:
An implantable hearing aid system for the middle ear utilizes pairs of permanent magnets to engage transducers with auditory elements in a middle ear. At least one transducer is supported within the middle ear cavity by a support. A transducer is magnetically-engaged with a malleus in one embodiment and another transducer is magnetically-engaged with a stapes in other embodiments. When using two contactless transducers, a permanent magnet is attached to each transducer. A permanent magnet is also attached to the malleus and to the stapes. The permanent magnet on each transducer is situated such that its polarity acts in repulsion to the permanent magnet on the adjacent auditory element.
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Kearney Rosiland
Lacyk John P.
St. Croix Medical, Inc.
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