Subcutaneous piezoelectric bone conduction hearing aid actuator and system
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United States of America Patent
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Feb 24, 2015
Grant Date -
Oct 3, 2013
app pub date -
Jun 3, 2013
filing date -
Jun 9, 2009
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Abstract
An implantable bone-conduction hearing actuator based on a piezoelectric element, such as a unimorph or bimorph cantilever bender, is described. Unlike other implantable bone conduction hearing actuators, the device is subcutaneous and once implanted is entirely invisible. The device excites bending in bone through a local bending moment rather than the application of a point force as with conventional bone-anchored hearing aids.
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