Fig. 2

Steps for repairing ETT and LMA expansion lines. Components of a venous indwelling needle (a); cutting off the remaining end of the ETT and LMA expansion lines (b); retracting the needle by 1 mm prior to its insertion (c); connecting it with the remaining end of the airbag expansion lines (d); pressure at the ETT and LMA cuff measured using a pressure gauge (e). ETT—endotracheal tube; LMA— laryngeal mask airway