Laryngeal Mask Airway

**Semantic type:** Medical Device

**Definition:** A supraglottic airway device that is composed of an airway tube that connects to an inflatable elliptical mask on the distal end which is inserted through the patient's mouth, down the trachea, and inflated to form an airtight seal on top the glottis.

**Synonyms:** - LMA - Laryngeal Mask