A construction worker met with an accident and a huge block fell over his face. He had sever maxillofacial and laryngeal injury. He is not able to open his mouth and on evaluation he was found to have multiple fractures and obstruction in nasopharyngeal and oropharyngeal region. In order to stabilize his airway the following procedure was done for him. Which of the options below describes the following procedure?
Cricothyroidotomy Subcutaneous tracheostomy Tracheostomy Submental insertion of ET tube