Magnet Arrangement for Bone Conduction Hearing Implant
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United States of America Patent
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Issued Date -
Mar 12, 2015
app pub date -
Nov 19, 2014
filing date -
Dec 22, 2011
priority date (Note) -
Abandoned
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Abstract
An implantable magnet arrangement is described for a hearing implant in a recipient patient. A pair of implant magnets are fixable in a common plane beneath the skin of the patient to underlying skull bone. At least one of the magnets is adapted to transform a magnetic drive signal from an external signal drive coil into a corresponding mechanical stimulation signal for delivery by bone conduction of the skull bone as an audio signal to the cochlea. Each implant magnet includes a pair of internal magnets lying in parallel planes which meet along a common junction with repelling like magnetic polarities facing towards each other.
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