In Roux-en-Y gastric bypass surgery, the surgeon staples the stomach to make a small pouch, and connects it directly to the jejunum, the second part of the small intestine. The procedure can be performed either as open or laparoscopic surgery.
With laparoscopic surgery, the surgeon makes six small incisions in the abdomen and inserts laparoscopic instruments into the incisions. The surgeon then partitions or divides the stomach with two triple rows of staples. This reduces the size of the upper stomach to hold one-to-two tablespoons of food. The upper stomach is then connected directly to the jejunum using a portion of the small intestine, bypassing the duodenum and part of the jejunum.
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