Oropharyngeal airway

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Science and technology

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What Wikipedia says

An oropharyngeal airway (also known as an oral airway, OPA or Guedel pattern airway) is a medical device called an Airway Adjunct used in airway management to maintain or open a patient's airway. It does this by preventing the tongue from covering the epiglottis, which could prevent the person from breathing.

Excerpt from the Wikipedia article “Oropharyngeal airway”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Intersurgical Ltd, CC BY-SA 3.0, via Wikimedia Commons.