REDUCED INVASIVITY FIXATION SYSTEM FOR TRACKERS IN COMPUTER ASSISTED SURGERY

摘要

The invention relates to a surgical navigation device, for the purpose of adjusting a cutting plane to a desired position with respect to a bone of a patient, the device comprising: a fixed part (7) rigidly attached to the bone (18, 19), the fixed part comprising fixation means to rigidly attach a tracker thereto; a mobile part (5) adjustable with respect to the fixed part (7), including fixation means to rigidly attach a tracker thereto, and including a cutting slot (6) in which a saw blade can be inserted to perform cut; a fixed tracker (9) rigidly attached to the fixed part (7); a mobile tracker (1 ) attached to the mobile part (5). The invention also concerns a method for adjusting a cutting plane of a surgical device to a desired position with respect to a bone of a patient.