Klinik am Seestern offers endoscopic procedures for stomach reduction. They are carried out through a gastroscopy, that is, without an incision through the abdominal wall, and are combined with a change in diet.
No incision: both procedures are carried out through a gastroscopy
Temporary or long-term: gastric balloon for a few months, endo-sleeve designed to be lasting
Supported: nutrition coaching and the app are part of every treatment
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Stomach reduction in Düsseldorf: consultation, procedure and aftercare at Klinik am Seestern
Consultation room
We offer endoscopic stomach reduction at Klinik am Seestern in Düsseldorf together with the Weight Doctors. Consultation, preliminary examination, the procedure and the appointments afterwards all take place in the same building: the specialist clinic has its own treatment rooms and patient rooms, and after the procedure you are accompanied by a dedicated contact person and our nutrition coaches.
The clinic is located on the left bank of the Rhine in Lörick, in the Am Seestern office district near the B7. From the main station, you can reach us on the U77 without changing, stop Am Seestern; by car, you come via the A52 and the A57 and park free of charge on the grounds.
Consultation about your options
In a personal consultation, our doctors explain the procedures, their requirements and risks to you and discuss with you which treatment is an option for you.
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When can a stomach reduction make sense?
Finding a balanced relationship between diet and exercise is hard for many people. Often there is an imbalance, with a surplus of food and a lack of exercise; the result is rising weight. Overweight and obesity are not rare: the number of people affected is rising across Germany, and many find no way to lose weight without support.
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Stomach reduction without surgery: endoscopic procedures
Klinik am Seestern offers various ways of supporting weight loss medically, without a radical diet and without abdominal surgery. The endoscopic procedures for stomach reduction reduce the amount you can eat per meal. An individual nutrition plan and a personal exercise programme complement the treatment and are meant to help you maintain the weight you have reached in the long term.
Differences from surgical procedures
Unlike surgical obesity treatments, which require one large incision or several small ones in the abdominal wall, the endoscopic approach leaves no external wound. The risk of wound infections therefore no longer applies, pain after the procedure is usually lower and recovery shorter. After the first few weeks, a normal diet without dietary restrictions is usually possible again. The treatment is an option for people with a BMI of approx. 28 to 42. How much weight you lose depends on your starting weight, your diet and your exercise.
Features of endoscopic stomach reduction
The smaller stomach volume can help to control the feeling of hunger better
The treatment is carried out without an incision through the abdominal wall
Back out among people, usually after a few days
No external wounds, so the wound risks of surgical procedures do not apply
If you are interested in stomach reduction, you can request information and arrange a no-obligation appointment for the first consultation.
Methods compared
Three routes to stomach reduction
A balloon for a limited time, gathering from the inside for the long term, or an operation. How the procedures differ.
01Gastric balloonfor a limited time
The balloon takes up space in the stomach and is removed or excreted again after 4 to 12 months. Nothing is changed in the stomach itself; the balloon is meant to help you make smaller portions a habit during this time.
ProcedureGastroscopy or capsule
Anaesthesia
twilight sedation, none for the swallowable balloon
With anchors and threads, the stomach is gathered from the inside until a narrow, tube-like shape remains. Nothing is removed, and the abdominal wall remains untouched. The reduction is designed to be long-term.
In the operation, the larger part of the stomach is removed, leaving a narrow tube. It is carried out minimally invasively through several small incisions under general anaesthesia and cannot be reversed. We discuss in the consultation whether an operation is an option for you.
In the POSE procedure, folds are made in the upper and lower stomach regions during a gastroscopy, without a surgical incision. This reduces the capacity of the stomach; the procedure is designed to be long-term. The feeling of fullness sets in earlier, and food intake decreases. Whether the reduced weight is maintained depends largely on the change in diet.
POSE® 3.0 endo-sleeve
In the POSE® 3.0 procedure, 6 to 8 anchors are placed along the inner wall of the stomach, instead of the previous 14 to 16. With the double-fold strategy and the double-helix technique, each anchor grips two fold layers.
6 to 8 anchors instead of 14 to 16
Double-fold strategy: each anchor grips two fold layers
Double-helix technique holds the double fold layers
Volume reduction: the aim is for approx. 25% of the stomach volume to remain
The treatment is minimally invasive and is carried out as an outpatient procedure or with an overnight stay. You can get information and consultation appointments at Klinik am Seestern in Düsseldorf; for how the procedure works in detail, see the page on the endo-sleeve.
Infographic on the endo-sleeve based on the POSE 3.0 technique
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The gastric balloon: temporary stomach reduction
The gastric balloon is an alternative without an operation. From a BMI of 27, it can be placed by our doctors. It reduces the capacity of the stomach for the duration of the treatment, so that you feel full after smaller portions and take in less food. After the balloon has been removed, whether you maintain the weight you have reached depends on your change in diet. Depending on the package chosen, we combine the treatment with a nutrition and exercise programme tailored to you personally.
Personal medical consultation
Four packages are available for treatment with the gastric balloon. You discuss which package suits your situation with our doctors in a personal consultation. We compare the three balloons, for 6 or 12 months or swallowable, on the page on the gastric balloon.
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Your schedule at the Klinik am Seestern
This is how an endoscopic stomach reduction proceeds at Klinik am Seestern in Düsseldorf:
Step 1
Beforehand
Consultation in Düsseldorf. We examine you, discuss your goals and clarify whether a gastric balloon or the endo-sleeve is an option for you. You can book your appointment online.
Step 2
Treatment day
The procedure. The gastric balloon is placed in about 20 to 30 minutes under twilight sedation, the endo-sleeve in about 45 minutes under general anaesthesia. Most often you go home the same day.
Step 3
The first few days
Rest. Nausea and vomiting are possible; medication relieves the symptoms. We recommend resting at home for 3 to 4 days and drinking plenty of fluids.
Step 4
The first weeks
Building up your diet. Step by step, you return to solid food, in smaller portions and accompanied by our nutrition coaches.
Step 5
Afterwards
New habits. Follow-up appointments, coaching and the app help you change your diet and exercise permanently. We remove the gastric balloon again at the end of the dwell time.
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What does a stomach reduction cost in Düsseldorf? Costs and German health insurance
The treatment costs depend on the method chosen. The standard gastric balloon package, for example, starts at €3,500. For the endo-sleeve, you receive a no-obligation quote after the consultation. Financing is possible through our financing partner.
German statutory health insurance does not usually cover the gastric balloon. For the endo-sleeve or an operation, it can cover the costs where there is a medical indication. You can read which requirements apply under Costs and German health insurance.
How long is my stay after an endoscopic stomach reduction?
You can usually leave the clinic on the same day. We recommend resting at home for at least 3 to 4 days afterwards.
Who may be considered for an endoscopic stomach reduction?
The procedures for stomach reduction may be considered for people with overweight or obesity with a BMI of approx. 26 to 42 who are prepared to take part in a medically supervised measure for weight loss and to change their diet. We clarify which procedure is suitable in the consultation.
How safe are the procedures?
With the endoscopic procedures, no incisions or access points are made through the abdominal wall. This removes the risks of an external wound, such as wound-healing problems or wound infections. Most patients are back home on the same day. Like any medical procedure, however, these procedures can also have side effects and complications; we inform you about them in detail before the treatment.
What accompanying symptoms occur?
Depending on the procedure chosen, severe nausea and vomiting, fluid deficiency and weakness can occur in the first few days. For these symptoms you receive medication and, if necessary, infusions that support the body’s fluid balance.
What is stomach reduction without surgery?
This is the name for the endoscopic procedures in which the stomach is reduced through a gastroscopy, without an incision through the abdominal wall. At Klinik am Seestern, these are the gastric balloon, which reduces the stomach temporarily, and the endo-sleeve, which is designed to be long-term.
What does a stomach reduction cost in Düsseldorf?
The costs depend on the procedure. The standard gastric balloon package starts at €3,500; for the endo-sleeve, you receive a no-obligation quote after the consultation. Financing is possible through our financing partner.
Does German statutory health insurance cover a stomach reduction?
German statutory health insurance does not usually cover the gastric balloon. For the endo-sleeve or an operation, it can cover the costs where there is a medical indication; you will find the requirements on the page Costs and German health insurance.
Where in Düsseldorf is the stomach reduction carried out?
At Klinik am Seestern, Am Seestern 4 in 40547 Düsseldorf-Lörick, in cooperation with the Weight Doctors. The clinic is on the left bank of the Rhine near the B7, the U77 stops at the Am Seestern stop, and there is free parking on the site.
I am a lipoedema and lymphoedema patient and have been trying to find help for about 10 years. Here it was no problem at all! I was called in quickly, was well looked after, my questions were answered very professionally, and I was able to leave the practice in tears of joy! Many thanks for the support so far.
Alina · October 2026
The friendliness of everyone I dealt with.
Anonymous · July 2026
I had my appointment at the practice for a consultation about my lipoedema, and I really want to leave a review even though I haven't had any surgery there yet. The reason is that this was the first time I felt truly taken seriously during an examination of my lipoedema. Dr. Witt was very friendly and professional from the start, and at the same time incredibly pleasant and humane. He took an exceptional amount of time, examined me very thoroughly and answered all my questions in detail. He is incredibly respectful and explains realistically what could be done and how the whole process would work. I found it particularly positive that at no point did a hectic or unpleasant mood arise. You never had the feeling of being “brushed off” or being under time pressure. Instead, the whole atmosphere was calm, relaxed and trusting. Dr. Witt was very committed, photos were taken of the affected areas and every possible treatment was explained in an understandable way. Dr. Witt explained everything in detail, yet never came across as complicated or distant. Although he is an absolute specialist in his field, I felt at all times that I could speak openly and ask any question. It felt more as if I had been a patient there for a long time. It was also particularly important to me that I never felt pushed towards an operation. It is still not at all clear whether I will have my operation at all, and yet I was taken incredibly seriously and treated with respect. That is exactly what built so much trust in me. I would also very much like to mention the lady at reception, Marris, in a positive way. She was super polite, had a very pleasant and calm manner and immediately gave me a good feeling. Although it was almost 5 p.m. and the end of the working day was approaching, she was incredibly friendly to me and did not seem at all annoyed or stressed. It is precisely such little things that make a huge difference to me personally and reinforced my positive overall impression of the practice. The practice itself is also absolutely impressive. It is extremely modern, high-quality and stylishly furnished. You feel more as if you are entering a luxury hotel than a traditional doctor's practice. Everything seems very well thought out, calm and professional. The organisation around the appointment was also excellent. Even before the appointment, communication was always very friendly, quick and professional. Questions were answered immediately and the whole process seemed perfectly organised. I was also allowed to park in the clinic's car park, which was an enormous relief since everything in the area was completely full. Although it was already later in the afternoon, Dr. Witt even personally saw to it that enquiries were made internally about my question regarding costs. Shortly after I had left the practice, I already received all the information by email. That too simply shows how professionally and attentively they work there. Overall, an exceptionally positive experience, of a kind you unfortunately only rarely have in the medical field. Absolutely fabulous.
Kerasoula P. · June 2026
Very beautiful clinic, wonderful reception and great service. The consultation with the doctor was very comprehensive and she addressed all my questions, which is all you could wish for as a patient / customer. I will definitely have my treatment done here.
Sandra W. · April 2026
Dr. Bromba took the time and advised me very well.
Anonymous · April 2026
A very kind doctor. I felt very comfortable from the first moment!
Elisabeth-katrin · March 2026
Everything was great, just one small remark..... I didn't get any dinner/bread in the evening. The most important thing for me was the operation, or rather everything around it.
Mix · February 2026
I was welcomed and advised incredibly kindly. The consultation takes place on an equal footing and without medical jargon, and what I like best is that they paid attention to what the best treatment is for my concern, and not to what would earn the practice the most money. I took a week to think it over, but actually the decision to choose the clinic was made much sooner.
Anonymous · January 2026
Everyone was very friendly, especially the nurses.
Anonymous · October 2025
I had a consultation and felt taken seriously and understood. They took a lot of time for me, and the examination and the conversation were very thorough. In the end, the treatment is too expensive for me, so I won't be able to have it done.
Anonymous · October 2025
Very competent and friendly consultation.
Anonymous · October 2025
Very competent consultation, super friendly staff!
Anonymous · September 2025
Medical assistant with partly insufficient professional competence.
Andreas M. · August 2025
Very competent consultation and medical examinations. I feel very well looked after.
BrigitteM · August 2025
I really liked the super friendly manner of the ladies at reception, and also that the doctor took the time to see and advise me, as well as the nice lady who went through the cost plan with me. I felt wonderfully looked after and will definitely have my treatment there. Thank you once again for everything so far.
Astrid R. · August 2025
A conversation in peace and without time pressure. I felt very well looked after.
Anonymous · August 2025
I was welcomed very nicely. The doctor was also very nice and answered all my questions. She also showed understanding that one does not decide straight away.
Anonymous · July 2025
Dr. Bromba's calm, matter-of-fact manner and his competence really convinced me during the consultation.
