Effective Use of Oropharyngeal and Nasopharyngeal Airways ... | 合法醫療器材資訊網

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Oropharyngeal and nasopharyngeal airways are adjuncts that can be used to obtain/maintain an open airway. An oropharyngeal airway (OPA) is also known as an oral airway or Guedel pattern airway or simply Guedel airway (named after the original designer Arthur Guedel).2 The nasopharyngeal airway (NPA) is also called a nasal airway, NPAT (nasopharyngeal airway tube), or nasal trumpet. Either device can be used depending on the indications for use and patient circumstances.

The American Red Cross. Airways Adjuncts. https://www.redcross.org/images. Accessed January 2019.

The oropharynx is the primary site of upper airway obstruction in unconscious or anesthetized patients. This is because the tongue and muscles of the jaw causing posterior movement of the tongue and epiglottis, which may obstruct the...