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How is the gastric balloon performed? It is a non-surgical operation that is carried out through the endoscope, and does not take more than 30 minutes inside the operating room. Also, local anesthetic is used, not total, and the operation is carried out in many points, namely: An anesthetic is placed inside the mouth to help relax and prevent constriction of the esophagus during the placement of the balloon. It is inserted into the stomach through the endoscope, where the balloon is deflated and then filled with blue saline solution, so that it is known if the balloon has been punctured inside the stomach and this is what the patient notices in the color of urine. Then it settles in the stomach, and its presence continues until the patient reaches the weight he wants. Advantages of balloon operation Non-surgical operation. You do not need a general anesthetic, but a local anesthetic is sufficient. It takes no more than half an hour. The safest process. Less expensive than anything else. Ease of making. Its results are very satisfactory. It enables you to get used to a healthy diet.