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    Serviced Suites

    Knee Joint With Brake Function (PI-OP4)

    The OP4 is a monocentric, light knee joint with a stable aluminium frame construction and a brake. It is used by above-knee amputees. The powerful pneumatic mechanism reliably controls the swing phase. This enables users with reduced muscle activity to enjoy the benefits of this control.


    Above-knee amputation
    Mobility class: moderate 3
    Maximum body weight 220 lbs


    Finely adjustable brake unit
    Extension/flexion can be set independently of each other
    High knee flexion angle up to 145бы