Partially or fully implantable hearing aid
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United States of America Patent
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-
Sep 26, 2000
Grant Date -
N/A
app pub date -
May 14, 1999
filing date -
Sep 3, 1998
priority date (Note) -
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status (Latency Note)
Importance
Abstract
The invention relates to a transducer for partially or fully implantable hearing aids for direct mechanical excitation of the middle or inner ear. The transducer is provided with a housing fixedly mounted at the implantation site and a coupling element moveable with respect to the housing for transmitting vibration to the middle ear ossicle or directly to the inner ear. The housing accommodates a piezoelectric element with which the coupling element can be vibrated and an electromagnet arrangement including an electromagnetic component, such as an electromagnetic coil, fixedly mounted relative to the housing and a vibratory component, such as a permanent magnet, mechanically connected to the coupling element such that the vibration of the vibratory component is transferred to the coupling element.
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