Femoral trochlea prostheses

US8888858B2 · kind B2 · utility

Assignee

• Zimmer, Inc. · US

Inventors

• Jeffrey D. Brown · Palo Alto, US
• Adam M. Griner · Columbia City, US
• Robert A. Hodorek · Warsaw, US
• Raymond C. Parisi · Wakarusa, US
• Brian E. Vanskyock · Fort Wayne, US
• Justin J. May · Leesburg, US
• James C. Harris · Warsaw, US

Key dates

• Filing date: Jul 21, 2009
• Grant date: Nov 18, 2014
• Expiry date: Aug 22, 2029

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61F2002/3092
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

Various embodiments of femoral trochlea prostheses useable in a knee joint. The knee joint includes a patella and a distal femur with a femoral trochlea, or patello-femoral groove. In one embodiment, a femoral trochlea prosthesis includes a distal tail. In another embodiment, a femoral trochlea prosthesis includes a wing or extension portion. In yet another embodiment, a set of femoral trochlea prostheses includes a plurality of prostheses having differing thicknesses. In still another embodiment, a femoral trochlea prosthesis includes a porous medium on various portions of the prosthesis.