Device for equalizing pressure in the middle ear
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United States of America Patent
Stats
-
Jul 11, 1995
Issued Date -
N/A
app pub date -
Oct 20, 1993
filing date -
Mar 15, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A device for equalizing the pressure in the middle ear is comprised of a unit having one end that is to be positioned in a nostril and an opposite end that is provided with a rib. A balloon is positioned on the unit adjacent the rib. The unit is provided with a through hole whose smallest cross-sectional area is greater than or equal to 7 mm.sup.2. The elasticity of the balloon is such that a counter pressure of at least 20 mBar is produced upon being blown up.
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Family
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