Glottis Mask Airway (GMA) is a brand new no inflatable super glottis airway for positive pressure ventilation. The cuff is designed according to the shape of aperture (inlet) of larynx. GMA has 4 models: Single Lumen, Single Lumen reinforce, Gastric endoscopy, and Double lumen.
GMA is easy to use, no leakage in proper placement, and no complications. GMA is a good partner of anesthetists.