Abstract
The most common cause of upper respiratory tract obstruction in an unconscious or unresponsive patient is the loss of muscle tone in the upper airway. Consequently, this leads to a reduction in the tone of the epiglottis, collapse of the tongue and closure of the airway at the level of the pharynx, preventing respiration. Diagnosing airway obstruction is associated with the implementation of urgent procedures aimed at restoring and maintaining patency. Among the techniques of restoring airway patency anatomically, we prefer extending the head and pushing the posterior mandible forward. Airway ventilation is not always possible through the use of non-surgical methods. Ventilating patients with obstructed airways using a self-inflating bag can prove to be very difficult. In such situations, it is necessary to use airway adjuncts. The purpose, regardless of the circumstances, is to remove anatomical barriers, prevent gastric aspiration and to facilitate proper lung ventilation. Endotracheal intubation is the gold standard for instrumentally maintaining a secure airway. The procedure, however, is reserved for experienced personnel because of how difficult it is to perform and the many complications that arise with it. In situations where difficulty is encountered, an alternative device to secure airway patency is needed.
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