CANULA OROFARINGEA PDF

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The oropharyngeal airway was designed by Arthur Guedel. This piece of equipment is utilized by certified first responders , emergency medical technicians , paramedics and other health professionals when tracheal intubation is either not available, not advisable or the problem is of short term duration.

Oropharyngeal airways are indicated only in unconscious people, because of the likelihood that the device would stimulate a gag reflex in conscious or semi-conscious persons.

This could result in vomit and potentially lead to an obstructed airway. Nasopharyngeal airways are mostly used instead as they do not stimulate a gag reflex. In general, oropharyngeal airways need to be sized and inserted correctly to maximize effectiveness and minimize possible complications, such as oral trauma. Insertion[ edit ] OP airways in varying sizes The correct size OPA is chosen by measuring from the first incisors to the angle of the jaw.

Once contact is made with the back of the throat, the airway is rotated degrees, allowing for easy insertion, and assuring that the tongue is secured. An alternative method for insertion, the method that is recommended for OPA use in children and infants, involves holding the tongue forward with a tongue depressor and inserting the airway right side up. It is removed simply by pulling on it without rotation. It can, however, facilitate ventilation during CPR cardiopulmonary resuscitation and for persons with a large tongue.

Key risks of use[ edit ] The main risks of its use are: [3] if the person has a gag reflex, they may vomit when it is too large, it can close the glottis and thus close the airway improper sizing can cause bleeding in the airway.

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