Patent ID: 8131343

Claim:
A system for positioning an implant having a first section that is configured to be attached to a first portion of a bone and a section that is configured to be attached to a second portion of the bone, wherein the position of the second portion of the bone is configured to be shifted a planned geometrical shift in relation to the first portion of the bone during an orthopedic procedure, the system comprising: a trackable device having a bone contact surface that matches a bone contact surface of the first section of the implant, wherein the device is configured to be located and moved on the accessible bone surface to maximize contact surface with the accessible bone surface; and a navigation system configured for tracking the position of the device relative to the position of the bone, the navigation system comprising a computer-aided control unit that is configured to calculate and virtually merge in a spatially correct manner implant parts with image or geometric data of the bone, wherein the calculation is based on navigational data of the trackable device and on data input of planned corrective measures, wherein the computer-aided control unit is further configured to, after data input of the planned corrective measures, with the aid of corresponding calculation algorithms and as a function of the position of the device on the accessible bone surface, virtually merge the corresponding position of the second section of the implant with the referenced image or geometric data of the bone, wherein the computer-aided control unit is still further configured to calculate the position of the second section of the implant geometrically offset to take into account a correction equal to the geometry of the planned geometrical shift.