These procedures are non-surgical and performed under a light anaesthetic. An endoscope is a long, flexible tube with a small camera at the end, this is inserted through the mouth to gain access to the stomach. A balloon is inserted into the stomach via endoscopy and the balloon is inflated with liquid. The fluid-filled balloon aims to achieve weight loss by occupying space in the stomach to reduce food intake, but also delaying gastric emptying, which can create a feeling of fullness. The device can be kept in for 6-12 months depending on the type of balloon used. The amount of weight loss to be expected depends on the device that is chosen.
There are a number of different endoscopic intra-gastric balloons available worldwide, however in Australia, only two kinds are available: