Fig. 2

Typical general anesthetic management with SCT (pictures from Case 3). a: General anesthesia was induced with SGA device insertion. b: The cricothyroid muscle was dissected and the CTM exposed. c: The tracheal tube was secured during surgery. d: The SGA tube was reinserted after surgery, and the skin incision was sutured after extubation of the tracheal tube from the CTM. CTM: cricothyroid membrane, SCT: surgical cricothyroidotomy, SGA: supraglottic airway