Eardrum pressure equalizer

Details Eardrum pressure equalizer Eardrum pressure equalizer

1986-05-07

1988-06-07

Coven, Edward M.

Surgery

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

Material introduced into and removed from body through...

A61M 1300, A61F 1100

Patent

active

047493771

ABSTRACT:
An eardrum pressure equalizer for the treatment of middle ear impairment having a source of compressed air for supplying dry room temperature air at a pressure of an order of magnitude of aproximately 3.5 kgs. per square centimeter. The air is supplied to a storage tank and from there, by way of a second storage receptacle to a disposable applicator tip adapted to be inserted into a nasal passage. The apparatus includes electronic circuitry having a microprocessor for accurately controlling the pressure of the air in the storage tank and for permitting the apparatus to be selectively used in either a continuous flow or an interrupted flow mode while allowing the pressure to be maintained at any chosen value, with a resolution factor of approximately 1/10 kg. per square centimeter.

REFERENCES:
patent: 2059500 (1936-11-01), Thomas
patent: 2458959 (1949-01-01), Reynolds
patent: 2539189 (1951-01-01), Garrett
patent: 4207887 (1980-06-01), Hiltebrandt et al.
patent: 4464169 (1984-08-01), Seam

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