Surgery – Respiratory method or device – Respiratory gas supply means enters mouth or tracheotomy...
Patent
1997-07-21
1999-09-28
Asher, Kimberly L.
Surgery
Respiratory method or device
Respiratory gas supply means enters mouth or tracheotomy...
12820519, 12820026, 12820715, A62B 906, A62B 700, A61M 1600
Patent
active
059571330
ABSTRACT:
An appliance is provided for installation within the mouth of an individual to prevent obstruction of the natural airway of the individual and to enhance natural ventilation during sleep. The appliance is hollow and constructed of material which is custom-molded to the user. An external negative air supply is provided which connects to a tube extending from the appliance and draws air from the hollow appliance creating a partial vacuum in the user's retroglossal area urging the user's tongue and soft palate away from the user's posterior pharyngeal wall and thereby opening an airway to the user's nasal cavity. A sensor provides control information to the negative air supply by sensing relative pressure in the user's oral cavity. The natural breathing cycle is thus facilitated but not controlled by the appliance.
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Asher Kimberly L.
Defreytas C. Douglas
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