Collagen product for medical or cosmetic applications,...

A - Human Necessities – 61 – K

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Details

A61K 47/42 (2006.01) A61K 8/72 (2006.01) A61K 8/73 (2006.01) A61K 9/00 (2006.01) A61K 47/36 (2006.01) A61L 15/28 (2006.01) A61L 15/32 (2006.01) A61P 17/02 (2006.01) C08L 5/08 (2006.01) C08L 89/06 (2006.01)

Patent

CA 2655901

The invention relates to a collagen product for medical or cosmetic applications such as curative and haemostatic dressings, implantable separation barriers, sheets and membranes for guided tissue and bone regeneration, solid or injectable carriers of pharmacologically or cosmetically active substances or cosmetic products and face masks. This collagen product contains polymers of the group of glycosaminoglycans bonded to the collagen substance at least in part by chemical bonds conveyed by polyvalent metal cations. The chemical bonds are conveyed by coordinately bonded metal compounds of the group of transition metals, mainly Cr, Zr, Al, Fe, Mn or Ti, and/or by the polyvalent cations of alkaline earth metals, mainly Ca, Mg, Zn, Ba or Sr. In addition, the invention relates to the method for the manufacture of the abovementioned collagen product and to the use thereof.

L'invention concerne un produit collagène pour applications médicales ou cosmétiques comme sont les pansements curatifs et hémostatiques, les barrières de séparation implantables, les feuilles et membranes pour la régénération tissulaire et osseuse guidée, les porteurs solides ou injectables de substances actives pharmacologiquement ou cosmétiquement ou les produits cosmétiques et les masques faciaux. Ce produit collagène contient des polymères du groupe des glycosaminoglycanes liées à la substance collagène du moins en partie par des liaisons chimiques transmises par les cations des métaux polyvalents. Les liaisons chimiques sont transmises par des composés de métaux liés en coordination du groupe des métaux de transition, principalement Cr, Zr, AI, Fe, Mn, Ti et/ou par les cations polyvalents des métaux de sols alcalins, principalement Ca, Mg, Zn, Ba, Sr. En outre, l'invention concerne le mode de fabrication du produit collagène susmentionné et ses utilisations.

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