Modular bone implant, tools and method

摘要

A tibial component (2) of a knee prosthesis comprising a tray (10) having top (12) and bottom (14) surfaces; a keel (40) having a top end (42) and a bottom end (44), the keel being engageable with the bottom surface of the tray, the keel and tray forming a male/female junction; and a rotational alignment pin (70) extending from one of the tray and keel and a pin receiving bore (32,58) located on the other of the tray and keel to facilitate aligning the tray and keel in predetermined relationship for assembly.