Double Hydraulic Cylinder

This knee joint prosthesis, whether on flat ground or uneven surfaces, uses a multi-axis stability system that enhances walking flexibility, ensures high safety, and provides smoother walking with low energy consumption and easy steps. It allows the user to walk naturally at different speeds, closely resembling the normal human gait. Upon closer observation, when a person walks normally and the heel contacts the ground, the knee joint exhibits a slight bending action. The lower hydraulic cylinder of this knee joint performs a moderate bend, making walking safe and comfortable. This is a unique advantage of this knee joint: it enables more natural physiological movement while relieving the pressure on the residual limb, hip joint, and spine, thereby reducing subsequent damage. The impact on the lower back when long-distance walking will also be reduced.
When walking downhill, the lower cylinder automatically adjusts the bending angle according to the slope, helping the body maintain balance and reducing the risk of falls. Therefore, walking downhill is very safe, allowing for confident movement. This is the basis for the knee joint’s elastic flexion insurance to function effectively.