#$%^&*AU2016250396A120161117.pdf#####ABSTRACT An implantable prosthesis comprising an artificial caput femur surface (45) for replacing the natural surface of a caput femur of a hip joint of a patient, the hip joint having the caput femur integrated with a collum femur having a center axis extending longitudinal along the collum and caput femur in the center thereof. A kit of implantable prosthesis for replacing the natural surface of a caput femur of a hip joint of a patient, the kit of implantable prosthesis comprises at least a first and second implantable prosthesis, adapted to clasp a portion of the caput and/or collum femur of different sizes. (Fig. 15)Fig. 15 14/14 45a 45b 45c ~/- 59 45 Fig.1 6 59a C 59b Ll~ 59c Fig.1 7 45a45b 45c 59a 59b 59c