By Dr. Jihad Kudsi, double board-certified in General Surgery and Obesity Medicine
If you are researching weight loss surgery, you will see the word “robotic” on many surgeon websites. It sounds futuristic, and it can be confusing. Does the robot do the operation? Is it safer? Is it worth traveling for? This guide answers those questions in plain language for patients in Chicago and the surrounding suburbs.
What “robotic” surgery actually means
A surgical robot does not operate on its own. The surgeon sits at a console a few feet from the patient and controls every movement of thin instruments placed through small incisions. The system provides a magnified 3D view and instruments that bend and rotate more like a human wrist.
Laparoscopic surgery uses the same idea of small incisions, but the surgeon holds long instruments directly and watches a camera image on a screen. Both are forms of minimally invasive surgery, and both are used for bariatric operations. For that reason, we describe our approach as laparoscopic or robotic, chosen for each patient.
Which weight loss operations can be done this way?
Most of them, including:
- Sleeve gastrectomy. See our pages on laparoscopic sleeve gastrectomy and robotic sleeve gastrectomy.
- Roux-en-Y gastric bypass. See laparoscopic gastric bypass and robotic gastric bypass.
- Revision operations and hiatal hernia repair, where the fine suturing and visibility can be helpful.
Is robotic surgery better?
The honest answer: for straightforward first-time operations, studies generally show similar results for laparoscopic and robotic approaches. Both are safe in experienced hands. The differences are more likely to show up in specific situations:
- Complex or revision cases, where scar tissue and difficult angles make suturing harder
- Larger patients, where the robot’s stability can help with instruments in a thick abdominal wall
- Hiatal hernia repair done at the same time as a sleeve or bypass, which involves careful work near the esophagus
The surgeon’s skill and experience matter more than the tool. A high-volume laparoscopic surgeon can be safer than a low-volume robotic one. When you interview surgeons, ask how many bariatric operations they do each year and how they choose between the two approaches.
Benefits patients often notice
Compared with open surgery, minimally invasive approaches generally mean:
- Smaller scars
- Less pain after the operation
- A shorter hospital stay
- A faster return to normal activities
- A lower risk of wound problems such as infection and hernia at the incision
Those benefits come from the small incisions themselves, not from the robot in particular.
Risks to understand
No approach removes the risks of bariatric surgery. They include bleeding, infection, leaks from staple lines, blood clots, narrowing of the stomach outlet, reflux after a sleeve, and nutritional deficiencies over time. Robotic surgery can also take longer to set up, and it requires a specially trained team. Read our overview on how safe weight loss surgery is.
How to choose a bariatric surgeon in the Chicago area
Consider asking these questions:
- How many bariatric operations do you perform each year, and which types?
- Is your hospital or center accredited by MBSAQIP?
- Do you offer both laparoscopic and robotic approaches, and how do you decide?
- What is your complication rate, and how do you handle problems if they arise?
- What does long-term follow-up look like?
Dr. Kudsi is double board-certified in General Surgery and Obesity Medicine and works with patients across Chicago’s western and southwestern suburbs. His offices are in Glen Ellyn and Oak Brook, with additional care at UChicago AdventHealth’s Bariatric and Obesity Medicine Clinic in LaGrange.
Learn more about our approach
Visit our robotic bariatric surgery page for details about the procedures we offer.
Frequently asked questions
Does a robot perform the surgery? No. The surgeon controls all movements. The robot is a tool.
Is robotic weight loss surgery more expensive? Hospital costs can differ, and insurance usually covers bariatric surgery the same way regardless of approach when you meet coverage criteria. Ask our office to check your plan.
Is recovery different? For most patients, recovery is similar after either minimally invasive approach. Both are gentler than open surgery.
Can I choose robotic surgery? It depends on your health, your anatomy and your surgeon’s judgment. A good surgeon will explain why they recommend one approach over the other.
Ready to talk?
Contact our office to schedule a consultation.
This article is for general education and does not replace medical advice.




