Acetabular alignment guide

A - Human Necessities – 61 – F

Patent

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Details

A61F 2/46 (2006.01)

Patent

CA 2714712

An alignment guide for guiding the positioning of an acetabular cup implant is described. The guide includes a body having a first end and a second end. A flange extends from the first end and is adapted to rest on a labrum of an acetabulum. At least a first formation is provided at the second end which is adapted to engage with a transverse acetabular ligament of the acetabulum. A formation for accepting a trackable instrument is provided to allow a tracking system to determine the orientation of the guide. An adjustable version is also described which allows the separation between the ends of the guide to be varied.

L'invention concerne un guide d'alignement qui guide le positionnement d'un implant de coupelle acétabulaire. Le guide comprend un corps qui présente une première extrémité et une deuxième extrémité. Une bride déborde de la première extrémité et est conçue pour reposer sur le labrum de l'acétabulum. À la deuxième extrémité est prévue au moins une première formation conçue pour coopérer avec un ligament acétabulaire transversal de l'acétabulum. Une formation destinée à recevoir un instrument apte à être suivi est prévue pour permettre à un système de suivi de déterminer l'orientation du guide. L'invention concerne également une version ajustable qui permet de modifier l'écart entre les extrémités du guide.

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