Oxygen Wound Therapy Feasibility Study

Determine the feasibility of using a new topical oxygen therapy device to treat hard to heal lower leg wounds.

Inclusion Criteria: * Patients with hard to heal lower leg wounds as determined by the treating clinician. * Patient has a wound area greater than the area of the interface * Aged 16 years and over * Able to provide informed consent Exclusion Criteria: * Lower limb wounds with bone or tendon exposed * Infected wounds which require treatment with antibiotics * Wounds with critical bioburden requiring a medicated dressing * Wounds that require dressing changes more than every second day, for example high exudating wounds * Wounds with slough covering more than 30% of the wound surface