Sigma®

Addressing the needs of today’s patient

After a knee replacement, a patient simply wants to go back to doing whatever it is they were doing before. That’s why our Sigma® knee product line is considered a leader in fixed bearing knee systems in the International markets.Fifteen years of clinical success has proved it 1

Highly functional and wear-resistant, the Sigma Family includes CR Porocoat®, XLK Poly, CoCr Tray, RP-F Knee, PS Femur, M.B.T. Revision TrayCR 150 and Sigma® HP Partial Knee.

Sigma® Knee keeps leading the way.

We’re constantly moving forward with offerings and improvements highly relevant to all kinds of individuals. And our advanced, high-performance instrumentation is designed to keep pace with your needs, as well. No wonder Sigma® knee is an excellent choice for today’s high demand lifestyles.
















1Press Fit Condylar Design Total knee Arthroplasty - Fourteen to Seventeen Years follow-up;
David Rodricks; Shantanu Patil; Pamela Pulido; Clifford W. Clowell Jr.; JBJS(AM)  2007;89- Pages 89-95
Sigma Partial knee CR 150 CR Porocoat CoCr Tray M.B.T. Revision Tray PS Femur XLK Poly RP-F Knee Sigma®