Instruments and techniques for disc space preparation

Details Instruments and techniques for disc space preparation Instruments and techniques for disc space preparation

A - Human Necessities

61

B

A61B 17/16 (2006.01) A61B 17/02 (2006.01) A61B 17/17 (2006.01) A61F 2/46 (2006.01) A61B 19/00 (2006.01) A61F 2/00 (2006.01) A61F 2/30 (2006.01) A61F 2/44 (2006.01)

Patent

CA 2395390

A series of instruments (30, 80, 120, 210, 510, 550) are provided for direct- anterior and oblique-anterior disc space and end plate preparation. The instruments (30, 80, 120, 210, 510, 550) provide precise guidance for channel formation in the vertebral endplates by guiding rotating and bladed cutting instruments (122, 250, 580). Instrumentation (550) for oblique-anterior disc space preparation includes compound angulation to account for the angle of approach to the spine and the angulation between adjacent vertebrae. Methods and techniques for use of the instruments (30, 80, 120, 210, 510, 550) are also described.

L'invention concerne une série d'instruments (30, 80, 120, 210, 510, 550) servant à préparer un espace discal antérieur direct et antérieur oblique ainsi qu'un plateau vertébral. Ces instruments (30, 80, 120, 210, 510, 550) permettent un guidage précis en vue de la formation d'un canal dans les plateaux vertébraux, grâce au guidage d'instruments (122, 250, 580) rotatifs et à lame de coupe. L'instrumentation (550) pour la préparation d'un espace discal antérieur oblique comprend une angulation combinée qui tient compte de l'angle d'approche de la colonne vertébrale et de l'angulation entre vertèbres adjacentes. Des procédés et des techniques d'utilisation des instruments (30, 80, 120, 210, 510, 550) sont également décrits.

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