Oropharyngeal Airway (Guedel Airway or Oral Airway, OPA): How to Use, Types, Sizes.
Oropharyngeal airway, also called Guedel airway, or oral airway, OPA is a rigid intraoral medical device that sits on top of the mouth and ends at the base of the tongue. It displaces the tongue away from the posterior pharyngeal wall, keeping the pharyngeal airway open. Named after Arthur Guedel, the American anaesthetist who discovered … Read more
