Foreign material mitigation for hearing assistance device components
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United States of America Patent
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Jul 29, 2014
Grant Date -
Jul 28, 2011
app pub date -
Dec 29, 2010
filing date -
Dec 31, 2009
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Disclosed herein, among other things, are methods and apparatus for mitigating foreign material buildup for hearing assistance device components. The present subject matter includes coating of at least one surface of a hearing assistance device, such as a hearing aid, with an omniphobic coating, a hydrophilic coating, or a combination of omniphobic and hydrophilic coatings designed to reduce the unwanted effects of wax, moisture and other foreign materials. In various embodiments at least one surface of a receiver with a wax trap or waxceptor in a receiver tube is coated with an omniphobic coating. In various embodiments the present subject matter includes an internal barrier disposed near a receiver in the receiver tube in addition to the wax trap or waxceptor. In various embodiments the internal barrier is coated with an omniphobic coating. In various embodiments at least one surface includes a hydrophilic coating.
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