Time of 1/2009 - 1/2012 at the Department of Trauma Orthopaedics Thong Nhat Hospital with 30 patients with wounds, ulcers in the legs, ankles and feet between the ages of 60 and up. Results: 30 patients (18 male, 12 female) with wounds, sores inter-regional long legs, ankles and feet due to a traffic accident 4/30 (3.33%), living accident 12/30 (40%), firearms injuries sequelae 4/30 (3.33%) and complications of peripheral vascular disease, diabetes 9/30 (30%).