Hearing system with middle ear transducer mount
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United States of America Patent
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-
Nov 13, 2001
Grant Date -
N/A
app pub date -
Jul 21, 1997
filing date -
Jul 21, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An improved partial middle ear implantable (P-MEI) or total middle ear implantable (T-MEI) hearing assistance system includes a device and method of providing between a vibrating auditory element and a transducer that senses or provides such mechanical vibrations adjustably positionable contact at a controllable, adjustable, or calibrated force. A screw adjusts a spacing between first and second members of the transducer mount to position the transducer and obtain the desired coupling force between the transducer and the auditory element. A spring provides an adjustable coupling force. A spacer limits further compression of the spring, providing additional force. A calibrated coupling force is obtained by compressing the spring by a known amount, such as by observing visual demarcations, or by reducing the spacing between the first and second members until the spacing is almost limited by the length of the spacer. Optimal ranges of forces for sensing malleus vibrations are disclosed.
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