The Pneumatic 4 Bar Prosthetic Knee with Integrated Pyramid is a polycentric prosthetic knee joint suited for above knee amputees who walk at a low to constant speed and who also require a high degree of safety.

The frame is constructed of aluminum alloy and incorporates pneumatic swing phase control with independent flexion / extension adjustment. 

The Pneumatic 4 Bar Knee with Integrated Pyramid is a polycentric prosthetic knee joint suited for patients who walk at a low to constant speed and who also require a high degree of safety.

• Swing Phase:  Pneumatic
• Stance Phase: Mechanical
• Weight Limit:  220 lbs (100 kg)
• Unit Weight:  21.59 Ounces (612 grams)
• 2 Year Warranty