The object of the invention is an implantable device for the preventive or curative treatment of fractures of the femur, more particularly of the hip joint comprising the femur (10), with the long bone (28) thereof defining a longitudinal axis XX", a femoral head (14), a femoral neck (22) with a longitudinal 5 axis intersecting with the longitudinal axis XX" at an angle a, characterized in that it comprises: - A first implant (36) whose axis YY" is provided to be arranged substantially along said longitudinal axis of the neck (22) - A second implant (38) whose axis ZZ" is provided to intersect with the 10 axis of said first implant (36) at an intersection point S and provided to intersect with the longitudinal axis XX" of the femur and - A stationary connection (40) at point S.
