US Patent 8,794,230
United States Patent and Trademark Office
University of Iowa Research Foundation (Iowa City, IA, US)
One embodiment of an oral airway comprised of two articulating parts which displace the tongue anteriorly and stent open the oropharynx. This device reversibly locks in a conformation which allows it to be used as a conduit for a fiberoptic scope or other airway device. An adjunct to airway management which can be used when mask ventilation or endotracheal intubation is indicated and can be removed easily after intubation without manipulation of the endotracheal tube. Other embodiments are described as shown.
Abrons, Ron Owen Articulated oral airway. US Patent 8,794,230 filed August 29, 2009 and issued August 05, 2014. https://ir.uiowa.edu/patents/623