| abstract |
An orthopedic implant. The implant includes a metal portion having an internal three-dimensional cavity, the cavity having an opening to an outer surface of the metal portion, a ledge circumferentially surrounding at least a portion of the opening, and a porous metal insert formed in a three-dimensional shape conforming to the shape of the cavity and enclosed by the cavity without being bonded to the cavity. The insert is retained inside the cavity by the ledge. |