 Intragastric balloon involves placing a deflated balloon into the stomach, and then filling it to decrease the amount of gastric space.The balloon can be left in the stomach for a maximum of 6 months and results in an average weight loss of 5–9 BMI over half a year.The intragastric balloon is approved in Australia, Canada, Mexico, India, United States (received FDA approval in 2015) and several European and South American countries.