An Investigation to Evaluate the Function of a New Silicon Cover Film and an On-top Suction Device to be Used in a NPWT System in the Treatment of Acute and Chronic Wounds

Inclusion Criteria: 1. Chronic wounds (venous, pressure or diabetic type), and acute wounds suitable for NPWT therapy according to the investigator's judgment 2. 1cm2 ≤ wound size ≤ 200cm2 3. Male or female, 18 years and above 4. Signed Informed Consent Form 5. Subject understands the written Patient Information Exclusion Criteria: 1. Need for frequent dressing changes, i.e.\<48 hours between the changes 2. Critical ischemia (for wound healing) according to investigator's judgement 3. Malignancy in the wound and/or wound margin 4. Target ulcer previous not successfully treated with NPWT within 48 hours 5. Poorly controlled diabetes according to investigators judgement. 6. Osteomyelitis which has been left untreated 7. Infection which has been left untreated 8. High risk for bleeding complications 9. Exposed blood vessels, organs or nerves 10. Current or within 3 months treatment with chemotherapy or irradiation 11. Known hypersensitivity to the dressing material 12. Expected technically impossible to seal the film to achieve a vacuum treatment 13. Expected non compliance with the Clinical Investigation Plan (CIP) 14. Pregnancy 15. Subjects not suitable for the investigation according to the investigator's judgement 16. Subjects previously included in this investigation 17. Subjects included in other ongoing clinical investigation at present or during the past 30 days