Figure 2From: Randomized comparison of the i-gel™, the LMA Supreme™, and the Laryngeal Tube Suction-D using clinical and fibreoptic assessments in elective patients Leak pressure (LP) versus cuff pressure shown for the i-gel™, the LMA-Supreme™ and the Laryngeal Tube Suction-D. LP is given in cmH20. The grey circle represents the i-gel™, white circles represent the LMA-S, black circles represent the LTS-D.Back to article page