Pilot Study Comparing Negative Pressure Dressings to Conventional Dressings

Inclusion Criteria: * Patient with bilateral venous leg ulcers (one on each lower extremity) (defined as any break in the skin that has either been present for longer than 6 wks or occurred in a person with a history of venous leg ulceration). * The ulcer is required to be venous in appearance (ie: moist, shallow, and of an irregular shape), and judged unlikely to heal within 21 days. * 18 years old or older * Have an ankle brachial pressure index of at least 0.8 that was measured within the previous 3 months. Exclusion Criteria: * • Patients on anticoagulants- (ie: warfarin, direct thrombin inhibitors). * Patients who have a pressure index measured within the previous 3 months to be greater than 1.20 * Patients with venous stasis ulcers greater than 17cm by 17cm. * Gross leg edema * Severe wound exudate * Patients with malignancy in the wound bed or margins of the wound * Previously confirmed and untreated osteomyelitis. * Patients with necrotic tissue with eschar present. * Patients with wounds that involve exposed arteries, veins, nerves, bone fragments or sharp edges. * Patients with wounds that requires surgical suction.