Method of making bone particles

A - Human Necessities – 61 – F

Patent

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Details

A61F 2/28 (2006.01) A01N 1/00 (2006.01) A61F 2/46 (2006.01) A61L 27/36 (2006.01) A61F 2/00 (2006.01)

Patent

CA 2480636

The present invention relates to a method for making bone particles from bone of a variety of sizes and a workpiece forming and holding device for use with the method. The workpiece forming device includes a base and a base frame attached to the surface of the base. An apparatus for forming a solidified mass of bone and immobilization medium is also provided which includes the workpiece forming device and a detachable former member enclosing the base frame. Bone is immersed in an immobilization medium within such workpiece forming device, which is solidified to form a solidified mass of bone and immobilization medium and then subdivided to provide particles of bone in association to with immobilization medium. The immobilization medium may be optionally removed to leave bone particles suitable for use in orthopedic applications including implants.

La présente invention a trait à un procédé de fabrication de particules osseuses à partir d'os de diverses dimensions et un dispositif de formation et de support de pièce destiné à être utilisé avec le procédé. Le dispositif de formation de pièce comporte une base et un cadre de base fixé à la surface de la base. Il est également prévu un appareil destiné à la formation d'une masse d'os solidifiée et un milieu de solidification qui comporte le dispositif de formation de pièce et un organe de façonnage amovible enserrant le cadre de base. L'os est immergé dans un milieu de solidification au sein dudit dispositif de formation de pièce, qui est solidifié pour former une masse solide d'os et un milieu de solidification et ensuite subdivisée pour réaliser des particules osseuses en combinaison avec le milieu d'immobilisation. Le milieu de solidification peut éventuellement être éliminé pour laisser subsister des particules osseuses aptes à être utilisées dans des applications orthopédiques comprenant des implants.

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