Bone cement having improved mechanical properties, and...

A - Human Necessities – 61 – L

Patent

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A61L 24/06 (2006.01) A61K 49/04 (2006.01) A61L 24/02 (2006.01) A61L 24/04 (2006.01) C08F 220/10 (2006.01) C08G 12/32 (2006.01) C08J 7/04 (2006.01) C08L 33/08 (2006.01) C08L 33/10 (2006.01) C09C 1/00 (2006.01) C09C 1/24 (2006.01) C09C 3/10 (2006.01)

Patent

CA 2453887

The invention describes a process for the preparation of hone cements from polyacrylates or polymethacrylates using are X-ray contrast medium, in which the X-ray contrast medium is functionalised with (meth)acrylate groups with prior coating with melamine-formaldehyde resin. The invention furthermore relates to a bone cement and to the use thereof for anchoring prosthesis components in bone, for stiffening bone, as bone screw fixing plug or as implant for anchoring screws.

L'invention concerne un procédé de préparation de ciments pour os à partir de polyacrylates ou de polyméthacrylates en ayant recours à un agent de contraste pour radiographie, dans lequel l'agent de contraste est fonctionnalisé avec des groupements (méth) acrylate et enduit préalablement d'un revêtement de résine mélamine-formaldéhyde. L'invention concerne aussi un ciment pour os et son utilisation pour l'ancrage d'éléments prosthétiques dans les os pour renforcer ces derniers, tels qu'un élément de fixation de vis ou un implant d'ancrage de vis pour les os.

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