Various embodiments of a tracheostomy tube having neck flanges with filleted ends are provided. In certain embodiments, the neck flange may include a fillet extending from a bottom surface of the neck flange to a tip of the neck flange. In addition, the filleted end may also be tapered from a top surface of the neck flange to the tip of the neck flange. The neck flange may also include several curved edges, such as curved edges from the tip of the neck flange to side surfaces of the neck flange, and a curved bottom surface from side surface to side surface of the neck flange.