SNaP Wound Care System Versus Traditional NPWT Device for Treatment of Chronic Wounds

Inclusion Criteria: * Subject has Venous Ulcer or Diabetic Ulcer with a surface area \< 100 sq. cm and \< 10 cm in widest diameter on lower extremity, but larger than 1 sq. cm * Subject has wound present for \>30 days despite appropriate wound care * Subject has adequate blood perfusion (Defined as either transcutaneous oxygen measurements of the dorsum of the foot \>30 mmHg or 0.7 \< ABI \<1.2) * Subject has wound in location amendable to creation of airtight seal around wound using NPWT dressings * Subject is able to understand and provide written consent * Subject able to understand and provide written consent * Male or non-pregnant female willing to have urine pregnancy test Exclusion Criteria: * Subject has Active Infection (Redness, Swelling, Pain, Purulent Exudate) * Subject has Untreated Osteomyelitis * Subject has Allergy to Wound Care Products used in the study * Subject has Malignancy, Burn, Collagen Vascular Disease, Sickle Cell, Vasculopathy, or Pyoderma Gangrenosum Origin of Wound * Subject has Active Charcot Arthropathy of the Foot * Subject has study wound location on toes or plantar surface of foot * Subject has uncontrolled hyperglycemia (HbA1C \>12%) * Subject has end stage renal disease requiring dialysis * Subject is undergoing active chemotherapy treatment that inhibits wound healing * Subject has had previous treatment with NPWT device, growth factors, hyperbaric oxygen, or bioengineered tissue product within 30 days of enrollment * Subject has a \>30% wound surface area reduction in size at 1 week after screening visit * Subject has any other condition that, in the opinion of the investigator, makes the subject inappropriate to take part in this study * Subject is unwilling or unable to comply with protocol requirements * Subject is pregnant