Patent ID: 8277455
Filing Date: 2012-10-02
Classification: A61B,A61F

Abstract:
1. A device for positioning a tool guide block, said device comprising: a positioning device including a block body having an inwardly facing reference surface adapted to abut a bone element, the positioning device including a first adjustment mechanism and a second adjustment mechanism independently operable from the first adjustment mechanism, the first adjustment mechanism permitting rotation of the tool guide block about a medial-lateral extending axis such as to provide flexion-extension angle adjustment, the second adjustment mechanism permitting rotation of the tool guide block about an anterior-posterior extending axis such as to provide varus-valgus angle adjustment, the second adjustment mechanism including a coarse adjustment mechanism and a fine adjustment mechanism; wherein the positioning device includes a swing arm member pivotally engaged to the block body, the swing arm member having a first portion and a second portion which pivot together relative to the block body about the medial-lateral extending axis; and a tool guide mounted to the positioning device, the tool guide including a platform portion which is engaged to the block body of the positioning device and the tool guide block which is releasably engaged with the platform.