Inclusion Criteria:  age ≥ 18 years written informed consent treated with Uni-Graft® K DV Patch for reconstructive interventions of the carotid, deep femoral, femoral and iliac artery  Exclusion Criteria:  Use of the Uni-Graft® K DV Patch if allergies to components of the patch are known Use of the Uni-Graft® K DV Patch in case of a known hypersensitive reaction to the patch and / or its components (e.g. polyethylene terephthalate). No use of Uni-Graft® K DV Patch Use of Uni-Graft® K DV Patch outside the intended use of the product at the date of application