#$%^&*AU2014210624A120150305.pdf#####ABSTRACT DEVICE FOR DETERMINING A RELATIVE POSITION OF A FEMUR WITH RESPECT TO A TIBIA 5 The invention relates to a device for determining a relative position of a femur (F) with respect to a tibia (T) comprising at least: - a first measuring member (4) intended to be 10 positioned against the tibia and comprising means (11) for collecting an absolute position of the tibia and means (12) for generating a signal representing this position - a second and a third measuring member (20; 30) 15 intended to be positioned relatively to the femur by each surrounding the thigh (2) associated with the femur at different heights, the second and third measuring member each comprising means (55) for generating a signal representing a position of the 20 associated measuring member; - a calculating member (100) comprising communication means (101) for receiving at least the signals generated by the first, second and third measuring members, comparison means (102) which 25 compare the signals of the second and third members in order to deduce an absolute position of the femur and processing means (103) which analyze the signal of the first measuring member and the absolute position of the femur in order to deduce a relative 30 position of the femur with respect to the tibia. Figure 1 5650802_1 (GHMatters) P97782.AU BELAG1/3 P 100 102 '41) P1 103 101 F 402 30 2 20 4 T Fig.1