The subject matter of the invention is an implantable device for preventive or curative treatment of fractures of the femur, more particularly of the coxofemoral joint comprising the femur (10) with its long bone (28) defining a longitudinal axis XX', a femoral head (14), and a femoral neck (22) with a longitudinal axis that is secant with the longitudinal axis XX' with an angle a, characterized in that it comprises: a first implant (36) of which the axis YY' is designed to be arranged substantially along said longitudinal axis of the neck (22), a second implant (38) of which the axis ZZ' is designed to be secant with the axis of said first implant (36) at a point of intersection S and designed to be secant with the longitudinal axis XX' of the femur, and a fixed linkage (40) at the point S.本發明之目的是提供一種預防或有效治療股骨骨折的植入式裝置,特別是預防或有效治療髖-股骨關節之骨折的植入式裝置,髖-股骨關節係包括:股骨(10)、與其一同確定了縱軸X-X’的股骨體(28)、股骨頭(14)、具有縱軸的股骨頸(22),而該縱軸係縱軸X-X’相交並形成一個角度α,其特徵在於:此裝置包括:第一植入物(36),其軸Y-Y’基本上是按照股骨頸(22)之縱軸而安排,第二植入物(38),其軸Z-Z’與第一植入物(36)之軸在交點S處相交叉,並與股骨之縱軸X-X’相交叉,在S點的固定連接部(40)。