A surgical implant (1) for supporting a prosthetic device at a distal end of an amputated limb, including: a cup (3) having a base (4) and surrounding side wall (7) for defining therein a volume (5) for accommodating a terminal end of a bone (2) of the amputated limb； a central intramedullary stem (8) extending from the cup base (4) for insertion into a medullary cavity of the bone (2)； a plurality of extramedullary struts (11) extending from the side wall (7) generally parallel to the central intramedullary stem (8) and locatable in contact with or in a closely adjacent relation with an outer surface of the bone (2)； and an attachment member (15) extending from an outer face of the cup base (4).
