Modular bone implant, tools, and method
First Claim
Patent Images
1. 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.
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Accused Products
Abstract
Modular bone implants, means of assembly, and their method of use are presented.
195 Citations
12 Claims
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1. A tibial component of a knee prosthesis comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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Specification