Bone paste

A - Human Necessities – 61 – L

Patent

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Details

A61L 27/00 (2006.01) A61F 2/28 (2006.01) A61L 24/00 (2006.01) A61L 24/04 (2006.01) A61L 24/10 (2006.01) A61L 27/22 (2006.01) A61L 27/26 (2006.01) A61L 27/36 (2006.01) A61L 27/46 (2006.01) A61L 27/48 (2006.01) A61F 2/00 (2006.01) A61F 2/02 (2006.01) A61F 2/30 (2006.01) A61F 2/44 (2006.01)

Patent

CA 2280745

A bone paste useful in the orthopedic arts, for example in the repair of non- union fractures, periodontal ridge augmentation, craniofacial surgery, implant fixation, impaction grafting, or any other procedure in which generation of new bone is deemed necessary, is provided by a composition comprising a substantially bioabsorbable osteogenic compound in a gelatin matrix. In various embodiments, the osteogenic compound is selected from (i) demineralized bone matrix (DBM); (ii) bioactive glass ceramic, BIOGLASS, bioactive ceramic, calcium phosphate ceramic, hydroxyapatite, hydroxyapatite carbonate, corraline hydroxyapatite, calcined bone, tricalcium phosphate, or like material; (iii) bone morphogenetic protein, TGF-.beta., PDGF, or mixtures thereof, natural or recombinant; and (iv) mixtures of (i)-(iii).

L'invention se rapporte à une pâte pour os destinée aux techniques orthopédiques et utilisée, entre autres, dans la réparation de fractures non consolidées, l'augmentation de la crête parodontale, la chirurgie craniofaciale, la fixation d'implants, la greffe par inclusion ou toute autre opération dans laquelle on estime nécessaire de générer un nouvel os; la pâte est constituée d'une composition qui comprend un composé ostéogénique sensiblement bioabsobrable dans une matrice de gélatine. Dans divers modes de réalisation, le composé ostéogénique est sélectionné parmi les matériaux suivants: (i) matrice osseuse déminéralisée (DBM); (ii) vitrocéramique bioactive, BIOGLASS (R), céramique bioactive, céramique phosphocalcique, hydroxyapatite, carbonate d'hydroxyapatite, hydroxyapatite corallienne, os calciné, phosphate tricalcique ou matériau similaire; (iii) protéine osseuse morphogénétique, TGF-.beta., PDGF ou leurs mélanges, naturels ou recombinants; et (iv) des mélanges de (i)-(iii).

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