what is a bougie dilator
Another type of esophageal dilator is the Mercury-filled rubber bougie. The bougie comprises a rubber sheath filled with Mercury, and having a tapered tip. The bougie is inserted, tip-first, through a patient's mouth and into the esophagus, applying light pressure to enlarge the diameter of the stricture.. An esophageal dilation bougie according to claim 6 in which the mixture of liquid silicone rubber and silicone fluid consists of approximately 45% by weight liquid silicone rubber and approximately 55% by weight silicone fluid.