Apparatus and method for treating strial hearing loss
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United States of America Patent
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-
Feb 17, 2004
Grant Date -
N/A
app pub date -
Nov 5, 2002
filing date -
Nov 5, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A bodily implanted charge injection assembly for effecting a voltage difference between a specific body location and surrounding tissue. This assembly comprises a charge injection device that includes a first electrode assembly and a housing defining an interior space substantially enclosing the first electrode assembly and further defining a first opening placed near the specific location. The housing is filled with electrolytic solution. Also, a second electrode assembly is placed in contact with both the electrolytic fluid and the surrounding tissue. In addition, a physical gate assembly is adapted to selectively and controllably occlude the interior space so that either the first opening or the second electrode assembly may be occluded from the first electrode assembly. The physical gate assembly is controlled to drive current through the opening and alternately to refresh the first electrode assembly with current from the second electrode assembly.
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