What is long limb gastric bypass surgery?

Anastomosis : In roux en y type of gastric bypass looks like letter y , long or short limb ( usual as shown in the picture ) how the y loop is arranged in picture 40 cm limb is used if 100 com limb is used then it is long limb usually done for 400 lb patients.

More bypassed bowel: This is a weight loss operation that's similar to standard gastric bypass, except that the amount of intestines diverted is longer than typical. In this operation, the stomach is divided and a small pouch of stomach is connected to a portion of the small intestines (the jejunum), thereby skipping over the rest of the stomach and duodenum. "long-limb" referrs to how much intestines is skipped over.