Inclusion Criteria:  Informed Consent as documented by signature (Appendix Informed Consent Form) ≥ 18 years old Capable of judgment Patient eligible for laparoscopic bariatric surgery according to the SMOB (Swiss Study Group for Morbid Obesity) -Criteria and having a bariatric operation (including Sleeve gastrectomy, Y-Roux gastric bypass, Omega-loop gastric bypass) using SenhanceTM Surgical System  Exclusion Criteria:  < 18 years of age Participants incapable of judgment or participants under tutelage Inability to follow the procedures of the study, e.g. due to language problems, psychological disorders, dementia, etc. of the participant, No informed consent signed Women who are pregnant High risk patients (immunosuppression, myopathy, liver cirrhosis, severe heart or lung disease, renal failure) Contra-indication for laparoscopic surgery Prior upper gastro intestinal tract operations (such as hepatobiliary, pancreatic, gastrooesophageal, anti-reflux, bariatric surgery or splenectomy except cholecystectomy) or open surgery with incision above the umbilicus