Appartus and method of inserting spinal implants

Details Appartus and method of inserting spinal implants Appartus and method of inserting spinal implants

A - Human Necessities

61

B

A61B 17/56 (2006.01) A61B 17/16 (2006.01) A61B 17/17 (2006.01) A61B 17/88 (2006.01) A61F 2/44 (2006.01) A61F 2/46 (2006.01) A61B 17/02 (2006.01) A61B 17/32 (2006.01) A61B 17/92 (2006.01) A61F 2/00 (2006.01) A61F 2/28 (2006.01) A61F 2/30 (2006.01)

Patent

CA 2213819

Apparatus and a method of inserting spinal implants is disclosed in which an intervertebral space is first distracted, a hollow sleeve having teeth at one end is then driven into the vertebrae adjacent that disc space. A drill is then passed through the hollow sleeve removing disc and bone in preparation for receiving the spinal implant which is then inserted through the sleeve. Apparatus and a method of inserting spinal implants is disclosed in which an intervertebral space is first distracted to restore the normal angular relationship of the vertebrae adjacent to that disc space. An extended outer sleeve having extended portions capable of maintaining the vertebrae distracted in their normal angular relationship is then driven into the vertebrae adjacent that disc space. A drill is then passed through the hollow sleeve removing disc and bone in preparation for receiving the spinal implant which is then inserted through the sleeve.

L'invention concerne un appareil et un procédé pour insérer des implants spinaux. Le procédé consiste d'abord à soumettre un espace intervertébral à une distraction, puis à enfoncer un manchon creux portant des dents à une extrémité dans la vertèbre jouxtant cet espace discal. Une mèche est ensuite introduite par le manchon creux pour enlever le disque et l'os, en préparation du placement de l'implant spinal qui est alors inséré par le manchon. L'invention concerne également un appareil et un procédé pour insérer des implants spinaux, dans lequel un espace intervertébral est d'abord soumis à une distraction pour restaurer la relation angulaire normale des vertèbres jouxtant cet espace discal. Un manchon externe allongé ayant des portions allongées capables de maintenir les vertèbres écartées dans leur position angulaire normale est à ce moment enfoncé dans les vertèbres jouxtant cet espace discal. Une mèche est alors introduite par le manchon creux pour enlever le disque et l'os en vue du placement de l'implant spinal qui est, à ce moment, inséré par le manchon.

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