Gastric Bypass 

By gastric bypass procedure the stomach is surgically reduced and the small intestine is re-arranged. There are several types of this procedure. The most commonly employed technique is Gastric bypass Roux en Y – the small bowel is divided and sewed in Y-configuration. One part is for the inflow of a bile and enzymes from the pancreas. The second part is for the inflow of food and the third mutual part serves for the mixture of food, enzymes, bile and absorbing nutrients. Another possibility is also MiniGastric bypass, when the small intestine is not cut and is connected to the reduced stomach by its side.