Inclusion Criteria:  Patient over 18, male or female Patient with obesity with a BMI> 30 or BMI> 40 (if surgery contraindicated or refused by the patient) Patient with a weight gain after sleeve gastroplasty or sleeve gastrectomy Informed and written consent of the patient obtained Complete clinical examination Lack of participation in another clinical study Patient able to follow, understand the study and answer the questionnaire  Exclusion Criteria:  Haemorrhagic disease, haemostasis and coagulation disorder and platelets <60000 / mm3). Breastfeeding women Toxicomany, alcoolism Patient known for gastric lesion requiring surveillance or familial history of gastric neoplasia Hiatus hernia> 4 cm high