Which of the following is not a definitive airway device-

LMA is temporary airway device since it cannot prevent aspiration. The Laryngeal Mask Airway LMA is asupraglottic airway devicewhich sits in the hypopharynx and paially protects thelarynx from pharyngeal secretions, but not gastric regurgitation. Advantages: Easy and rapid Less invasive Better hemodynamic stability Very useful in difficult intubations Less complications Does not require deep plane of anaesthesia