Clinical Use of an Absorbable Coated Suture Material in Surgery (Safil)

Inclusion Criteria: * Patients of both sexes, undergoing a gastrointestinal hand made one-layer running (A) or two-layer (B) anastomotic procedure where the use of synthetic absorbable surgical suture material is indicated. * Written consent to participate in the study Exclusion Criteria: * Emergency patients that cannot be properly informed about the clinical trial and cannot give their written consent * Pregnancy or lactation period * Patients suffering from a diffuse purulent peritonitis or generalized diseases, which can have consequences for the healing of the asnastomosis (e.g. ubalanced diabetes, progressed uremia, massive hypoproteinaemia, sever jaundice, generalized intraabdominal tumor metastases, severe tumorous cachexia, severe avitaminosis, chronic liver disease. * Patients who are undergoing a therapeutic procedure, which can have consequences for the healing of the anastomosis (e.g. treatment with corticosteroids or cytostatics, local radiation in the operating area) * Laparoscopial Procedures * Patients who are not willing to cooperate and legally incapacitated people