The laryngeal mask slides across the hard palate at a 45 degree Angle, simultaneously pressing the proximal end of the hood to one side and the distal end of the hood to the other side. During the insertion process, the distal side of the ventilator should be used as the contact edge with the hard palate. Slide the laryngeal mask across the hard palate at a 45 degree Angle and push the inlet pharynx. Once the ventilator reaches the position of the laryngeal pharynx, it should be placed (the opening is facing the throat).
Ideal placement of the laryngeal mask: THE side of the larynGEAL mask capsule is facing the pyriform recess, and the anterior surface of the proximal part is behind the base of the tongue and below the level of the tonsil. The depressed surface of the laryngeal mask capsule is directly opposite the epiglottis fold, and the back of the capsule is close to the posterior pharyngeal wall. After inflating the capsule around the mask, a closed circle can be formed in the larynx, thus ensuring the ventilation effect. The mean depth of laryngeal mask insertion in children <10 years old = 10.0 cm+0.3 cm× age (years).
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