... Fibroblast Growth Factor) and Collagen Performance: Biologic Protein Sponge with the characteristics of absorbability, adhering to tissue, non- ... heal and treatment for burn and scald, frostbite, diabetic ulcer, bedsore, fistula and other injuries with protracted course.- ... traumatic wound surface.Specification: as requirement Collagen with FGF for Treatment of Wounds Caused by Burn or Frostbite