A Cricothyrotomy, also called Cric, Thyrocricotomy, Cricothyroidotomy, Inferior Laryngotomy, Intercricothyrotomy, Coniotomy or Emergency Airway Puncture, is an incision made through the skin and cricothyroid membrane to establish a patent airway during certain life-threatening situations, such as airway obstruction by a foreign body, angioedema, or massive facial trauma.