Gastric Bypass is applied with laparoscopic surgery method. The closed operation is performed by opening many small incisions. Ports are placed through incisions so that the hand tools reach the abdomen. One of them is the surgical telescope connected to the video camera and the others are for the entry of specialized surgical instruments. The doctor watches the operation on a video monitor. An experienced laparoscopic surgeon can perform many procedures closed, just like open surgery.
Gastric Bypass surgery performed in 1967 for the first time in history and laparoscopic gastric bypass (Roux-en-Y) surgeries performed in 1993 have taken their places in history as the most difficult operations to be performed due to the limited surgical technologies of the time. Although it is a difficult operation to perform, Gastric Bypass has become very popular due to the use of this method and the shortening of the hospitalization period thanks to this operation, less scarring and reduced possibility of surgical site hernia.
A small stomach part is left on the side of the esophagus from the uppermost part of the stomach where it joins with the entrance, and it is closed and cut off in such a way that almost 90% of the stomach is disabled. In this way, an area smaller than 30 mL is created in the proximal gastric, that is, at the entrance of the stomach, and this area is called the stomach pouch. This newly created stomach pouch has a volume of almost less than 1 tea glass. In this surgery, the stomach is left in place and no part is removed. By creating a gastric pouch, the existing stomach is excluded and thus the food is ensured to reach here.
It is taken from the distal part of the small intestines (large intestine) and cut about 50-75 cm and associated with the new stomach pouch created. The end of the small intestine, which is at the back and continues to come from the inner part of bile and pancreatic fluid, is brought together with the intestine again. All these cutting, separating, joining and flaring applications are carried out with high-tech, disposable special tools known as "stapler".