The gastric balloon is a device that is intended for a purely temporary use, for those patients who suffer from obesity and that after several attempts, have failed to maintain a control program, or a supervised diet weight loss, so that their health is in danger. The gastric balloon, recommended to those patients with one BMI greater than 40, so they reduce weight before submission to a definitive surgery to reduce surgical risks. It is important to consider that the gastric balloon, is a procedure that must be used hand in hand with a program of modification of eating habits as well as a supervised diet, to increase the possibilities to maintain the correct weight for a long-term. It is an ideal alternative also, for those people who want to lose weight, but who don’t want to any surgical intervention. Its maximum placement period is 6 months and although it is a procedure which gives high to the patient the same day your placement, it is possible that during the first 6 months the patient suffer any discomfort. The gastric balloon applies through endoscopy and under sedation, so that the patient does not feel any discomfort during your application..