Cortical bone cervical smith-robinson fusion implant

Details Cortical bone cervical smith-robinson fusion implant Cortical bone cervical smith-robinson fusion implant

A - Human Necessities

61

F

A61F 2/44 (2006.01) A61F 2/46 (2006.01) A61F 2/00 (2006.01) A61F 2/28 (2006.01) A61F 2/30 (2006.01)

Patent

CA 2302315

An implant composed substantially of cortical bone is provided for use in cervical Smith Robinson vertebral fusion procedures. The implant is derived from allograft or autograft cortical bone sources, is machined to form a symmetrically or asymmetrically shaped (e.g, a substantially "D"-shaped) implant having a canal running therethrough according to methods of this invention, and inserted into the space between adjacent cervical vertebrae to provide support and induce fusion of the adjacent vertebrae. Osteogenic, osteoinductive or osteoconductive materials may be packed into the canal of the implant to expedite vertebral fusion and to allow autologous bony ingrowth.

Implant composé pratiquement de substance corticale et conçu pour être mis en application dans des procédés de fusion des vertèbres cervicales de Smith-Robinson. On obtient cet implant à partir de sources de substance corticale par allogreffe ou autogreffe, on l'usine afin de lui donner une forme symétrique ou asymétrique (par exemple, pratiquement une forme de D) et de pratiquer un passage à travers cet implant selon les techniques utilisées par l'invention, et on l'insère dans l'espace entre des vertèbres cervicales contiguës, de manière à créer un support et à provoquer la fusion de ces vertèbres contiguës. On peut placer dans le canal de l'implant des matériaux ostéogènes, ostéoinducteurs ou ostéoconducteurs afin d'accélérer la fusion vertébrale et de permettre une croissance osseuse autologue.

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