Pharmaceutical, veterinary and sanitary preparations for the treatment of wounds, burns and surgery; dressings, wound foils (dressings), compresses, wadding, foams, semi-liquid matrice, barriers being medical dressings, bandages for skin wounds, sponges impregnated with antiseptics, and all for medical use in or on the human or non-human animal body; dressings, wound foils (dressings), medicated compresses, wadding, foams, semi-liquid matrices being dressings, barriers, bandages for skin wounds, sponges impregnated with antiseptics made from or incorporating collagen all for medical use; collagen dressings, wound foils (dressings), medicated compresses, wadding, foams, semi-liquid matrices being medical dressings, barriers being medical dressings, surgical bandages, films being surgical dressings, membranes being surgical dressings for medical use as a temporary dermoplasty; surgical implants made from collagen for use in skin repair and skin improvement; surgical and medical implants composed of collagen for medical purposes; surgical implants comprising collagen for wound management and pain relief; collagen for medical, surgical or veterinary purposes.;