Patent ID: 8718820
Filing Date: 2014-05-06
Classification: A61B,G01C,G06F

Abstract:
1. A computer-assisted surgery system for at least one of planning and/guiding an alteration to a bone in surgery, the computer-assisted surgery system comprising: a trackable member adapted to be secured to the bone, the trackable member having a first inertial sensor unit producing orientation-based data for at least two degrees of freedom in orientation of the trackable member; a positioning block adapted to be secured to the bone, the positioning block having a second inertial sensor unit producing orientation-based data for at least two degrees of freedom in orientation of the positioning block, with at least an orientation of the positioning block being adjustable once the positioning block is secured to the bone, to reach a desired orientation at which the positioning block is used to guide at least one tool in altering the bone; a processing system providing an orientation reference related to the bone from the orientation-based data of the trackable member, the processing system comprising: