Performance, Safety and Efficacy of NPWT Device

Inclusion Criteria: * The subject must provide written informed consent. * Subjects eighteen (18) years of age or older. * Willing and able to make all required study visits. * Able to follow instructions. * Subject is suitable to participate in the study in the opinion of the Investigator * In Orthopaedic surgery: subject is scheduled for an elective primary knee replacement arthroplasty and American Society of Anesthesiologists (ASA) score of 2-3 (Phase 1 only) * In Abdominal surgery: subject is scheduled for an elective open or laparoscopic gastrointestinal and/or gynaecological surgery with incision ≥5 cm and has an ASA score of 2-3. * Immediately after the surgery, subject will have one suitable closed abdominal or knee surgery incision (if there is more than one incision, then the clinician should choose the one which, in their opinion, is most suited for Negative Pressure Wound Therapy) that fits under the absorbent dressing area of the appropriate Negative Pressure dressing sizes . Exclusion Criteria: * Contraindications (per the Investigator Brochure) or hypersensitivity to the use of the investigational product or their components (e.g. silicone adhesives and polyurethane films \[direct contact with incision\], acrylic adhesives \[direct contact with skin\], polyethylene fabrics and super-absorbent powders \[polyacrylates\]) within the dressing). * Subjects with extremely fragile skin who require the use of SECURA™ non-sting barrier skin wipes and have hypersensi…