It is indicated for temporary weight loss in those who are unfit for bariatric surgery. It is a bridging procedure before bariatric surgery to induce weight loss, so as to make these individuals fit for surgery. It is also indicated for mild obesity. Intra gastric balloon is introduced by performing upper gastrointestinal endoscopy under sedation. Obalon balloon can be swallowed. But to check whether you are suitable for ballon procedure, you need to undergo upper gastrointestinal endoscopy before swallowing balloon.
Once introduced, it occupies part of the stomach and creates sense of fullness. It reduces the amount of food taken each time. So IGB acts mainly by mechanical restriction. Its effect, on hormones controlling body fat stores, is minimal. So body fat set point is not altered much. IGB can be kept either for 6 months (Eg – LexBal, Orbera, Obalon) or 1 year (Spatz 3).