STRAVIX PL Lyopreserved Umbilical Tissue applied in conjunction with a surgical ulcer repair of the foot. STRAVIX PL Tissue is lyopreserved umbilical tissue composed of umbilical amnion and Wharton's Jelly. STRAVIX PL retains the native umbilical growth factors, hyaluronic acidrich extracellular matrix (ECM), and living cells (fibroblasts, epithelial cells, and mesenchymal stem cells). STRAVIX PL Tissue is limited to the homologous use as a wound cover or surgical wrap. Please see the Instructions for Use for indications, safety information and proper use.