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.
Quick Answer. Latex balloons filled with helium last between 12 to 48 hours, depending on the size of the balloons; if filled with Hi-Float they last about two to 14 days. Hi-Float is a liquid protective coating that is inserted into the balloon and spread around to prevent helium from escaping as quickly. Continue Reading.