Anchoring means for intervertebral implants

Details Anchoring means for intervertebral implants Anchoring means for intervertebral implants

A - Human Necessities

61

F

A61F 2/44 (2006.01)

Patent

CA 2529564

The invention relates to an anchor piece for fixing an intervertebral implant (15) to the end plate of a vertebral body (19;20), comprising A) an anchor piece (1), with a central axis (6) and two end faces (4, 5) transverse to the central axis (6), B) at least two spikes (7) extending from one of the end faces (4;5), parallel to the central axis (6) and which may be pushed into an end plate of a vertebral body (19;20), whereby B) the anchor piece (1) has a cavity (3) extending through the anchor piece (1) in the direction of the central axis (6) and C) the anchor piece (1) comprises fixing means (9), by means of which the anchor piece may be detachably locked to an intervertebral implant (15).

L'invention concerne un moyen d'ancrage servant à fixer un implant intervertébral (15) au plateau vertébral d'un corps vertébral (19 ; 20), ce moyen comprenant A) un élément d'ancrage (1) présentant un axe central (6) et deux faces (4 ; 5) perpendiculaires à cet axe central (6) et B) au moins deux broches (7) faisant saillie par rapport à une des faces (4 ; 5) et parallèles à l'axe central (6), ces broches pouvant être enfoncées dans un plateau vertébral d'un corps vertébral (19 ; 20). L'invention se caractérise en ce que B) l'élément d'ancrage (1) comporte une cavité (3) traversant ledit élément d'ancrage (1) dans le sens de l'axe central (6) et en ce que C) l'élément d'ancrage (1) comprend des moyens de fixation (9) à l'aide desquels les éléments d'ancrage peuvent être bloqués de façon détachable sur un implant intervertébral (15).

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