US 6,981,502 B2 | ||
Respiratory mask having intraoral mouthpiece with large sealing area and multiple sealing configuration | ||
James J. McCormick, Woodland Hills, Calif. (US); William Jou, West Hills, Calif. (US); David Anthony, North Hollywood, Calif. (US); and David Isagholian, Marina Del Rey, Calif. (US) | ||
Assigned to Numask, Inc., Woodland Hills, Calif. (US) | ||
Filed on Apr. 01, 2004, as Appl. No. 10/816,702. | ||
Prior Publication US 2005/0217678 A1, Oct. 06, 2005 | ||
Int. Cl. A62B 18/08 (2006.01); A62B 9/06 (2006.01); A61M 16/00 (2006.01); A61C 5/14 (2006.01); A61B 19/00 (2006.01) |
U.S. Cl. 128—206.29 | 36 Claims |
1. A respiratory mask, comprising:
an intraoral mouthpiece comprising:
a substantially oval and bowed sheet of material having an inner surface, an outer surface, a top portion, a bottom portion,
an upper edge, and a lower edge;
a central orifice through the approximate center of the substantially oval and bowed sheet of material;
a tubular extension having a proximal end, a distal end, and a conduit, wherein the conduit of the tubular extension at the
proximal end of the tubular extension feeds into the central orifice of the intraoral mouthpiece, the proximal end of the
tubular extension terminating substantially coextensive with the inner surface of the sheet of material; and
a reinforced collar surrounding a portion of the tubular extension; and
wherein the substantially oval and bowed sheet of material is configured to fit between gums and lips of a person, extending
upward and downward substantially parallel to the gums and teeth of the person beyond the gumline of the person, and extending
posteriorly in the mouth of the person.
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