What's Lap-band? Laparoscopic adjustable gastric banding (LAGB) is a kind of weight loss surgery. Weight-loss surgery can also be known as bariatric surgery. It is finished as a laparoscopic surgery, with modest incisions in the top of the abdomen. The doctor places an adjustable band around the best portion of the belly. This causes an extremely little stomach pouch. The very small stomach pouch implies that you will really feel full after consuming fewer foods. This can help you slim down.