Registration and stability test of a knee by recording two points on the knee

摘要

The method involves arranging reference star (4) on the tibia (1) of the patient and a another reference star (5) is arranged on the femur (2) of the patient. A reference point (6) is accommodated on or over the tibia by a navigating instrument, particularly a pointer (8) and another reference point is accommodated on or over the tibia or the patella by a navigating instrument, particularly a pointer. The position or orientation of the navigating instruments or pointer is detected by a navigation system. Independent claims are also included for the following: (1) a computer program loaded in a computer (2) a program memory medium or computer program product with the computer program (3) a device for determining stability and mobility of knee or knee joint of patients.