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US 8,075,628 B2Granted
Modular bone implant, tools, and method
AssigneeZimmer, Inc.
InventorsDaniel F. Justin, E. Marlowe Goble, Daniel J. Triplett, Robert A. Hodorek
Life of this patent
Estimating the term…
Abstract
Modular bone implants, means of assembly, and their method of use are presented.
Claims12
A tibial component of a knee prosthesis comprising:
- a tray having top and bottom surfaces;
- a keel having a top end and a bottom end, the keel being engageable with the bottom surface of the tray, the keel and tray forming a male/female junction including a boss extending from one of the tray and keel and a boss receiving bore formed in the other of the tray and keel, the boss and the boss receiving bore being coaxial about a junction axis, the boss and the boss receiving bore having complimentary oval cross-sectional shapes perpendicular to the junction axis such that the boss and boss receiving bore form a positive engagement that resists relative rotation about the junction axis once the junction is seated along the junction axis.
Dependencies are inferred from the claim text.