Prosthetic Pneumatic Knee Joint This multi-centered prosthetic knee joint with pneumatic swing phase control provides reliable standing phase safety for users with moderate activity levels. The smooth and powerful single-chamber pneumatics (each chamber for flexion and extension damping) does not run out of air during the swing phase, even at different walking speeds. Smooth flexion and extension movements can be achieved, resulting in an approximation of the physiological gait pattern. The joint geometry here effectively shortens the prosthesis during oscillation, thereby increasing ground clearance. Four-bar pneumatic knee joint is made of aviation grade ultra-light, super-hard magnesium alloy material, with beautiful appearance. The weight was 0.95kg, the maximum load was 125kg, and the knee flexion was 150 degrees. It adopts the four-bar linkage air pressure design, stable and natural walking, more light, mor durable, less energy consumption, easy control. If you have questions about the prosthetic knee option, please contact us