Learn About Gastric Balloon Treatment Options

Understanding What a Gastric Balloon Is

A gastric balloon is a medical device designed to help people lose weight by taking up space in the stomach. The balloon is a soft, expandable pouch made of silicone that doctors place inside the stomach through the mouth. Once positioned correctly, doctors fill the balloon with salt water or gas, which causes it to expand to about the size of a grapefruit. This expanded balloon occupies roughly half of the stomach's capacity, which reduces the amount of food a person can eat and helps create a feeling of fullness with smaller meals.

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The procedure has been used in medical practice since the 1980s, and several types of gastric balloons have received approval from the U.S. Food and Drug Administration (FDA). The balloons are temporary devices, meaning they stay in place for a limited time and are eventually removed. Unlike weight loss surgery, gastric balloons do not involve cutting into the stomach or permanently changing the digestive system's structure. This makes them a less invasive option compared to procedures like gastric bypass or gastric banding.

Gastric balloons work alongside lifestyle changes rather than replacing them. The device is most effective when combined with dietary modifications, increased physical activity, and behavioral changes. People who undergo gastric balloon treatment typically work with a team that includes doctors, nutritionists, and sometimes counselors or therapists. The balloon serves as a tool to make dietary changes easier by naturally limiting portion sizes and encouraging people to eat more slowly and mindfully.

Medical centers report that people using gastric balloons typically lose 10 to 20 percent of their body weight during the time the balloon is in place. Results vary based on individual factors such as starting weight, how well someone follows dietary recommendations, and physical activity levels. The balloon is not a permanent solution, which is why the period during which it is in place is often used as a window of opportunity to develop healthier eating habits that can be maintained after removal.

Practical Takeaway: A gastric balloon is a temporary, non-surgical device that reduces stomach capacity to help lower food intake. Understanding that it works best as part of a broader lifestyle change—not as a standalone solution—is important for anyone considering this treatment option.

Types of Gastric Balloons Available

Several different gastric balloon systems are currently available in the United States, each with its own design, materials, and duration of use. The Orbera Intragastric Balloon, manufactured by Apollo Endosurgery, was one of the first to receive FDA approval and remains widely used. The Orbera balloon is filled with saline solution and is designed to remain in the stomach for six months. During that six-month period, patients work with healthcare providers on diet and lifestyle modifications. After six months, the balloon is removed through a procedure similar to the insertion process.

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Another option is the Reshape Duo balloon system, which features two connected balloons rather than one. This dual-balloon design was created to reduce the risk of the device moving or perforating the stomach wall. The Reshape Duo also uses saline filling and typically remains in place for six months. Some patients and doctors prefer this design because the two-balloon system may provide additional safety features and stability within the stomach.

The Obalon Balloon System takes a different approach by using nitrogen gas rather than saline for filling. Obalon uses a series of smaller balloons that are placed one at a time over several weeks, allowing for gradual stomach capacity reduction. The system typically involves placing up to three balloons, with each balloon added about a week apart. Obalon balloons remain in place for approximately six months and are then removed. Some patients find the gradual placement approach easier to adjust to than inserting one large balloon at once.

The ReShape Integrated Dual Balloon is another variation designed with safety in mind. Like other options, it uses saline filling and has a six-month timeline. All of these systems share the common goal of reducing stomach capacity, but they differ in how they achieve this and in their specific design features. Patients considering gastric balloon treatment should discuss which type might be most appropriate for their individual situation, as factors like stomach anatomy, medical history, and personal preferences can influence which system is recommended.

Newer balloon systems continue to be developed and tested. Some emerging options may offer longer timeframes or different filling methods. It is worth asking healthcare providers about what types of balloons are available at their facility and whether any newer options might be suitable for a particular person's needs.

Practical Takeaway: Multiple gastric balloon systems exist, including Orbera, Reshape Duo, and Obalon, each with variations in design, filling method, and timeline. Discussing which type is available and appropriate for your situation is an important part of the consultation process.

The Gastric Balloon Insertion and Removal Process

The insertion of a gastric balloon is an outpatient procedure that typically takes 20 to 30 minutes to complete. The procedure is done under light sedation or general anesthesia, meaning the patient is asleep or deeply relaxed during the process and does not experience discomfort. A doctor uses an endoscope, which is a thin, flexible tube with a camera, to guide the balloon down the throat and into the stomach. Once the balloon is positioned correctly in the stomach, the doctor carefully fills it with either saline solution or gas, depending on the balloon type.

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After the balloon is inserted and filled, the endoscope is gently withdrawn. Most people wake up in a recovery area and are monitored for a short time before going home. Recovery from insertion is generally quick, with most people able to resume normal activities within a day or two. However, some people experience nausea, vomiting, or stomach discomfort in the days immediately following insertion. Healthcare providers typically prescribe medications to reduce these symptoms and provide detailed instructions on what to eat during the adjustment period.

The adjustment period after insertion usually lasts one to two weeks. During this time, people are advised to eat soft foods and small quantities. As the stomach adjusts to the presence of the balloon, nausea typically decreases. By the end of the adjustment period, most people are able to eat regular foods, though in much smaller portions than before the balloon was placed. Throughout the time the balloon is in place, patients have regular appointments with their healthcare team to monitor progress, address any concerns, and receive support for dietary and behavioral changes.

Removal of the gastric balloon follows a similar process to insertion. The procedure is again done under sedation or anesthesia, and the doctor uses an endoscope to locate the balloon in the stomach. The doctor carefully punctures the balloon to deflate it, then gently removes the deflated balloon through the mouth. The entire removal procedure typically takes 15 to 20 minutes. Like insertion, removal is done on an outpatient basis, and most people can return home the same day with minimal recovery time needed.

It is important to note that both insertion and removal are medical procedures that carry some degree of risk, though serious complications are uncommon. Potential risks include perforation of the stomach wall, bleeding, or infection. Discussing these risks with a doctor before proceeding is an essential part of making an informed decision about gastric balloon treatment.

Practical Takeaway: Both insertion and removal are outpatient procedures performed under anesthesia that typically take 20 to 30 minutes. The adjustment period after insertion usually lasts one to two weeks, and regular medical follow-up is important throughout the time the balloon is in place.

Dietary Changes and Lifestyle Adjustments During Balloon Treatment

Success with a gastric balloon depends significantly on how well a person follows recommended dietary and lifestyle changes. In the days immediately after insertion, the diet is very restricted, consisting mainly of clear liquids and broths. This allows the stomach to adjust to the balloon's presence without experiencing excessive discomfort. By the end of the first or second week, most people can transition to soft foods such as eggs, yogurt, cottage cheese, and mashed vegetables. Within a few weeks, regular foods can be reintroduced, but in much smaller portions than before the balloon was placed.

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A key principle during gastric balloon treatment is eating slowly and chewing food thoroughly. Because the balloon reduces stomach capacity, eating too quickly or not chewing enough can lead to nausea, vomiting, or discomfort. Many people find it helpful to eat meals over 20 to 30 minutes and to put utensils down between bites. Drinking liquids with meals is typically discouraged or limited, as liquids can fill the remaining stomach space quickly and cause discomfort