Fiber-reinforced, porous, biodegradable implant device

A - Human Necessities – 61 – L

Patent

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Details

A61L 27/44 (2006.01) A61F 2/30 (2006.01) A61L 27/38 (2006.01) A61L 27/48 (2006.01) A61L 27/54 (2006.01) A61L 27/56 (2006.01) A61F 2/02 (2006.01) A61F 2/28 (2006.01) A61F 2/46 (2006.01)

Patent

CA 2291718

A fiber-reinforced, polymeric implant material useful for tissue engineering, and method of making same are provided. The fibers are preferably aligned predominantly parallel to each other, but may also be aligned in a single plane. The implant material comprises a polymeric matrix, preferably a biodegradable matrix, having fibers substantially uniformly distributed therein. In preferred embodiments, porous tissue scaffolds are provided which facilitate regeneration of load-bearing tissues such as articular cartilage and bone. Non-porous fiber-reinforced implant materials are also provided herein useful as permanent implants for load-bearing sites.

L'invention concerne un matériau pour implants polymère renforcé par des fibres qui est utilisé pour la reconstruction des tissus, et son procédé de fabrication. Les fibres sont, de préférence, alignées de façon essentiellement parallèles les unes aux autres, mais peuvent aussi être alignées dans un seul plan. Le matériau pour implants comprend une matrice polymère, biodégradable de préférence, dont les fibres sont réparties de façon sensiblement uniforme. Selon des modes de réalisation préférés, des structures de base en tissus poreux facilitent la régénération des tissus porteurs de charge tels que les cartilages articulaires et les os. L'invention concerne également des matériaux pour implants, polymères renforcés par des fibres qui sont utilisés comme implants permanents pour les sites porteurs de charge.

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