Gastric sleeve surgery is a new minimally invasive slimming procedure that reduces weight gain by up to 80 percent in people with obesity. For example, if a person weighs 95 kilograms and is 160 centimeters tall, they are about 35 kilograms overweight, and about 6 to 9 months later the surgery reduces the patient's weight to 65 kilograms.There are currently several standard obesity surgeries in the World 3 of which are the most common and widely used these include sleeve classic bypass and mini bypass