Ueki R, Komasawa N, Nishimoto K, Sugi T, Hirose M, Kaminoh Y. J Anesth. 2014 Jun;28(3):363-7
Manikin trial comparing LMA Fastrach-Single Use, air-Q and I-gel with success rate of tracheal intubation, intubation time and collision with the glottis measured. Results suggest Fastrach took longer to intubate with a higher failure rate, and the Aintree Intubation Catheter reduces collisions.
Link to abstract