The iGel device has a noninflatable cuff and an elliptical cross-sectional–shaped tube with a slight curve longitudinally to facilitate insertion. In addition, it also has an independent gastric drainage tube and an integral bite block. Source: Chapter 12. Extraglottic Devices for Ventilation and Oxygenation, Management of the Difficult and Failed Airway, 2e Citation: Hung O, Murphy MF. Management of the Difficult and Failed Airway, 2e; 2012 Available at: https://accessanesthesiology.mhmedical.com/DownloadImage.aspx?image=/data/books/hung2/hung2_c012f014.png&sec=41050329&BookID=519&ChapterSecID=41048397&imagename= Accessed: November 15, 2017 Copyright © 2017 McGraw-Hill Education. All rights reserved