Contraindications

The presence of one of the following conditions is a contraindication to the insertion of the balloon:

• Previous history of gastric surgery;
• Digestive pathology:  large hiatus hernia (> 5 cm), active peptic ulcers, severe oesophagitis either Grade III or IV (Savary-Miller classification) or Grade C or D (Los Angeles classification), Crohn's disease or any other digestive tract lesion that could bleed, pyloric stenosis and anomalies in the structure of the digestive tract
• Diseases which could affect the vital prognosis in the short to medium term
• Severe cognitive or mental disorders
• Severe eating disorders that are not stabilized
• Alcoholism, drug addiction
• Treatment with platelet aggregation inhibiting drugs or non-steroidal anti-inflammatory without adjuvant treatment with acid-blockers
• Anticoagulants
• Foreseeable inability of the patient to take part in a prolonged medical follow-up
• Absence of previously identified medical treatment
• Pregnancy, desire for a pregnancy during treatment with the balloon
• Severe liver disease
• Haemostatic disorder
• Helicobacter pylori infection.

Some of these contraindications may be temporary.