Bariatric (weight loss) surgery has been performed for decades. For most of those years, surgeons performed bariatric surgery using an open technique, which required a long incision and traditional medical instruments.
As medical technology evolved, the laparoscopic or minimally invasive technique was introduced and widely adopted. Using the minimally invasive technique, a surgeon performs the same operation, but creates several ¼ to ½ inch incisions and uses long-handled instruments. This technique is associated with faster recovery, less pain, and less scarring.
Both approaches have similar success rates in reducing excess weight and improving or resolving co-morbid conditions (one or more additional conditions that have a negative effect on overall health).