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SIGMA™ Total Knee System
SIGMA™ Total Knee System
The SIGMA™ Knee System offers one of today’s most comprehensive, integrated knee systems. Based on the clinically successful P.F.C. Total Knee System, the SIGMA Knee continues a history on innovation based on clinical evidence.
The SIGMA™ Knee embraces a wide variety of surgeon philosophies and surgical techniques, while providing function, clinical results, and a variety of options for today’s patients. Available in posterior cruciate retaining or posterior stabilized femoral component designs, and fixed and mobile-bearing tibial component designs, this knee system is designed to provide surgical solutions for a variety of clinical indications.
MEDIA
The SIGMA™ Knee System offers one of today’s most comprehensive, integrated knee systems. Based on the clinically successful P.F.C. Total Knee System, the SIGMA Knee continues a history on innovation based on clinical evidence.
The SIGMA™ Knee embraces a wide variety of surgeon philosophies and surgical techniques, while providing function, clinical results, and a variety of options for today’s patients. Available in posterior cruciate retaining or posterior stabilized femoral component designs, and fixed and mobile-bearing tibial component designs, this knee system is designed to provide surgical solutions for a variety of clinical indications.
Key Resources
Surgical Technique Guide
Surgical Technique Guide
Features & Benefits
Fixed Bearing Technology
Highly polished cobalt chrome tibial tray provides smooth surface to reduce polyethylene wear.1 i2 locking mechanism with an interference fit for decreased micromotion.2 Features XLK polyethylene, a moderately cross-linked, oxidatively stable material.
MBT Rotating Platform Technology
Rotational freedom to actively diffuse loosening forces.3 Self-aligning bearing is designed to decouple flexion-extension and rotation into two unidirectional motions. Rotating platform tibial inserts available in AOX™ Antioxidant Polyethylene, featuring COVERNOX™ Antioxidant.
High Flexion
SIGMA RP-F Rotating Platform Knee accommodates 155 degrees of flexion with increased contact area in high flexion. SIGMA CR150 Knee, available in fixed bearing or rotating platform options, accommodates 150 degrees of flexion.
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