Effect of Regulated Oxygen-Enriched Negative Pressure Therapy (RO-NPT) On Soft Tissue Wound Repair

The investigators believe that regulated oxygen-enriched negative Pressure Therapy (RO-NPT) will be beneficial in the reduction or elimination of anaerobic infection in hard-to-heal soft tissue wounds.

Inclusion Criteria:

• Patients with hard-to-heal wounds

Exclusion Criteria:

• Everyone else