Device for equalizing pressure across the eardrum of divers

Details Device for equalizing pressure across the eardrum of divers Device for equalizing pressure across the eardrum of divers

1995-03-10

1996-01-16

Brown, Michael A.

Surgery

Body protecting or restraining devices for patients or infants

Head or face protector

128866, A61F 1100

Patent

active

054839750

ABSTRACT:
A device for facilitating the equalization of pressure across the eardrum of a user which typically includes a facemask configured to fit over at least the eyes and nose of the user. The device further includes a strap for securing the facemask to the face of the user. The strap, when secured to the head of the user, defines a single air space which includes ear portions overlying the user's ears and a connecting portion overlying the sides and back of the user's head and connecting the ear portions. Finally, the device includes a tube for supplying air to the air space. One end of the tube is connected to the air space while the other end of the tube is connected to a source of pressurized air, such as the facemask, the air supply controller or the air supply mouthpiece.

REFERENCES:
patent: 20834 (1858-07-01), Ware
patent: 1324747 (1919-12-01), Runyan
patent: 2476589 (1949-07-01), Driskill
patent: 2488235 (1949-11-01), Pfeiffer
patent: 3018776 (1962-01-01), Suitta
patent: 4896380 (1990-01-01), Kamitani

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