1. The recommended method is the supine position with the doctor standing on the patient's head. Tilt the patient's head back, deflate the balloon completely, shape the mask face forward and insert it down along the hard palate. The right finger can help push the tongue open. Applying a water-based lubricant to the distal surface can reduce insertion resistance. Patients with suspected neck injury should not tilt their head back
2. After inflating a small part of the laryngeal mask filling balloon, the mask surface can be inserted downward along the hard palate toward the head end. Once it reaches the larynx, it will rotate 180°, and then inflate when it meets resistance.
3, one-time use Supreme laryngeal mask can be inserted without pumping. After the laryngeal mask was placed, positive pressure ventilation was performed to observe the degree of thoracic fluctuation, whether the breath sounds on both sides were symmetrical and clear, and whether there were air leakage murmurs in the anterior neck area.
4. The time to exit the laryngeal mask is divided into deep anesthesia extubation and shallow anesthesia extubation. Extubation under deep anesthesia can avoid airway reflex and laryngeal spasm caused by irritation, but there is the possibility of aspiration and airway obstruction. Extubation with light anesthesia ensures recovery of protective reflexes, but there is a risk of airway overreaction.
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