Soft Palate Ulceration After Brief Use of an i-Gel Supraglottic Airway 1. August 2014 sam Anaesthesia (0) de Graaff HJ, Teeuw R, de Quelerij M, Verbrugge SJ, Boudesteijn EA. A A Case Rep. 2014 Aug 15;3(4):48-50 A case of extensive soft palate ulceration after the use of i-gel. Link to abstract