GOGOA has developed the BELK system, a wearable robotic device that can be used for knee rehabilitation, in the sub-acute phase of knee injuries. It incorporates “assisted-as-needed” control and Functional Electrical Stimulation (FES) features, helping to speed-up and to improve the rehabilitation process.

Assisted-as-needed control allows creating a force field along the desired trajectory, proportionally applying torque only when the patient deviates from the pre-programmed correct pattern. This force field control, by assisting only the segments that the patient need, produces a natural gait pattern, improving the rehabilitation process.​

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