sonde oropharyngée

CONT: L’obstruction des voies aériennes peut être due à : l’aspiration de sang, de corps étrangers ou de vomissures; l’obstruction par la langue [...]. Un tube oropharyngé assurera alors une voie aérienne suffisante [...].

OBS: [An] oropharyngeal airway (OPA) [is a] curved piece of plastic inserted over the tongue that creates an air passage way between the mouth and the posterior pharyngeal wall. [This device is] useful when the tongue and/or epiglottis fall back against the posterior pharynx in anesthetized or unconscious patients obstructing the flow of air. ... This device is poorly tolerated in conscious patients and may induce gagging, vomiting and aspiration.
OBS: An oropharyngeal airway (also known as an oral airway, OPA or Guedel pattern airway) is a medical device called an airway adjunct used to maintain a patent (open) airway.