Method and device for reconstruction of articular cartilage

Details Method and device for reconstruction of articular cartilage Method and device for reconstruction of articular cartilage

A - Human Necessities

61

L

A61L 27/00 (2006.01) A61F 2/28 (2006.01) A61K 35/12 (2006.01) A61K 38/18 (2006.01)

Patent

CA 2147359

A biodegradable device for facilitating healing of structural voids in bone, cartilage as well as soft tissue, is disclosed in the most preferred form including a porous macrostructure made from a biodegradable polymer and a chemotactic ground substance in the form of an RGD attachment moiety of fibro-nectin formed as a porous microstructure. For repair of articular cartilage, harvested precursor cells are secured to the biodegradable carrier which is shaped for press fitting into the articular cartilage le- sion. In the most preferred form, the chemotactic ground substance enhances the attractiveness of the biodegradable device for cellular attachment at the site of repair and also facilitates the attachment of free, precursor cells such as chondrocytes and bone narrow to the biodegradable device. In the most preferred form, biological modifiers such as transforming growth factor B and basic fibroblastic growth factor are incorporated in the biodegradable device to mediate cellular activity and regulate cellular functions.

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