The Scorpio Knee System is popular among physicians and patients because it maintains a constant center of rotation throughout the range of motion, providing uniform ligament tension during the transition from full extension to deep flexion. By preserving ligament isometry the Scorpio Single Axis Total Knee System helps address mid-flexion instability, which is a common concern in multiple axis knee designs. 

Key features include:

• Reduced wear
• Full active extension
• Reduced anterior knee pain
• PCL counter balancing
• Greater bone conservation and increased contact area