Device for equalizing pressure in the middle ear

Details Device for equalizing pressure in the middle ear Device for equalizing pressure in the middle ear

1993-10-20

1995-07-11

Rosenbaum, C. Fred

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

128728, A61B 508

Patent

active

054316367

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.

REFERENCES:
patent: 3426745 (1969-02-01), Farr
patent: 4291704 (1981-09-01), Petty et al.
patent: 4327741 (1982-05-01), Watson et al.
patent: 4817626 (1989-04-01), Blaine

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