Pressure-regulating ear plug
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United States of America Patent
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May 26, 1998
Issued Date -
N/A
app pub date -
Nov 20, 1995
filing date -
Aug 16, 1994
priority date (Note) -
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Abstract
A pressure regulating ear plug for regulating the rate of change of pressure inside an ear to minimize the pressure differential between the middle ear and a volume of the external ear cavity adjacent the ear drum is made of an ear plug adapted to fit tightly within the external ear cavity with no or minimal air leakage, and disposed within the ear plug is a pressure regulator with a slow leak rate. The pressure regulator is preferably made of a porous ceramic material.
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