1, 2 It contains all normal layers of the intestinal wall and, in approximately 50 percent of cases, contains tissue from other sites (ectopic tissue). 2 This ectopic, or heterotopic, tissue can often be the cause of complications occurring in Meckel's diverticulum. Meckel's diverticulum occurs in about 2 percent of the population, making it the most prevalent congenital abnormality of the gastrointestinal tract.
A common helium-filled latex balloon lasts from about 12 hours up to two days. However, the size, type of material, and presence of a sealant all affect the balloon's lifespan. The treatment and level of activity to which the balloon is subjected also affects how long it floats.
Balloon Time Helium Tank: 1  Portable. 2  Latex Balloons: Tank will fill approximately (50) - 9 inch latex balloons or (27) - 11 inch latex balloons. The float time for each latex balloon is approximately 5-7 hours.  Mylar Balloons: Tank will fill approximately (27) - 18 inch mylar balloons or (20) - 20 inch mylar balloons.