The procedure is performed laparoscopically and involves the implantation of an inflatable silicone gastric band that is placed around the top of the stomach. This procedure does not involve cutting or stitching the stomach. Laparoscopic adjustable gastric banding.

The silicone strap is adjustable and the inner diameter can be changed by inflating or deflating it with saline. This band creates a tiny pouch in the stomach that is designed to limit the amount of food consumed. The exit opening is also small, allowing for earlier satiety and satiety with less food, both of which lead to weight loss. This operation is considered the simplest and least invasive of the bariatric procedures. For best results, monthly range adjustments are required.