Inclusion Criteria:  mentally and physically able to participate in study written informed consent to participate in the study Diagnosed wound indicated for treatment with Cutimed® Gelling Fiber for 4 weeks (except for internal body cavities and closed wounds) Subjects with more than one ulcer are eligible for inclusion, however only one ulcer per subject will be included in the study.  Exclusion Criteria:  Sensitivity to or allergic reaction to the dressing or its components Participation in any other clinical study investigating drugs or medical devices Subjects presenting with wounds including internal body cavities or closed wounds Alcohol and drug addiction Pregnant or breast-feeding subjects Underlying diseases are not treated according to respective country-specific guidelines