Novel glue for cartilage repair

Details Novel glue for cartilage repair Novel glue for cartilage repair

A - Human Necessities

61

L

A61L 27/26 (2006.01)

Patent

CA 2522133

The invention is directed toward a sterile cartilage defect implant material comprising milled lyophilized allograft cartilage pieces ranging from 0.01 mm to 1.0 mm in size in a bioabsorbable carrier taken from a group consisting of sodium hyaluronate, hyaluronic acid and its derivatives, gelatin, collagen, chitosan, alginate, buffered PBS, Dextran or polymers with allogenic chondrocytes or bone marrow cells in an amount exceeding the natural occurrence of same in hyaline cartilage and adding a cell growth additive.

L'invention concerne un matériau d'implant stérile destiné à un cartilage défectueux, contenant des pièces de cartilage d'allogreffe lyophilisées, broyées, dont la taille varie de 0,01 mm à 1,0 mm, contenues dans un support biologiquement acceptable choisi dans un groupe composé d'hyaluronate de sodium, d'acide hyaluronique et de ses dérivés, de gélatine, de collagène, de chitosane, d'alginate, de PBS tamponné, de dextrane ou de polymères contenant des chondrocytes allogéniques ou des cellules de moelle osseuse dans une quantité supérieure à la quantité naturellement présente dans le cartilage hyalin. Selon l'invention, un additif de croissance cellulaire est par ailleurs additionné.

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