Aboard the TARDIS, wounds were treated with healing bandages. When applied to a wound, the bandage's coloured medicine would go into the wound and the colour would disappear. Once the bandage was completely white, the wound was healed. (TV: "The Edge of Destruction" [+]Part of The Edge of Destruction, Loading...{"namedep":"The Edge of Destruction (1)","1":"The Edge of Destruction (TV story)"})