Ventilation plugs for treatment of middle-ear disease

Details Ventilation plugs for treatment of middle-ear disease Ventilation plugs for treatment of middle-ear disease

1990-11-19

1992-11-17

Hafer, Robert A.

Surgery

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

Treating material introduced into or removed from body...

128864, A61M 500

Patent

active

051639254

ABSTRACT:
A ventilation plug is provided for the treatment of middle-ear diseases. The ventilation plug comprises a front edge portion tapered at an acute angle and an intermediate portion made of water repellent synthetic resin. The intermediate portion is arranged for engagement with the eardrum of a patient. The ventilation plug is designed so as to have a minimized size and thus, the insertion to the eardrum can be executed readily and easily; and the plug is also designed to be air permeable and water repellant.

REFERENCES:
patent: 3530860 (1970-09-01), Marton
patent: 4094303 (1978-06-01), Johnston
patent: 4168697 (1979-09-01), Cantekin
patent: 4326512 (1982-04-01), Peerless
patent: 4971076 (1990-11-01), Densert
Richards Price List No. 1584 Oct. 1982.

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