The present invention relates to a system (100) for an external hip disarticulation prosthesis comprising an angled planar double parallelogram mechanism, an actuator (60) configured to fold the double parallelogram mechanism and a femoral stem (50) fixed to the double parallelogram mechanism and configured to rotate around a remote rotation center (40), the double parallelogram mechanism comprising an anchoring element (30) configured to provide a unique connection with a receiving shell (400).