It is an operation performed in the form of bypassing the majority of the gastric, leaving a small part after the esophagus.

Then, the part of the small intestine close to the stomach is taken and sutured to the small part of the stomach in accordance with the technique. That is, a new intestinal connection is created.

The purpose of this operation is to reduce the stomach volume and reduce absorption. Accordingly, the feeling of hunger decreases, the feeling of satiety increases and blood sugar remains stable.