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.

Technical information

   pneumatic system designed for light patients
   finely adjustable brake effect
   extension is always possible for safety, even during the braking action
   continuously and separately adjustable flexion and extension
   light & compact design, particularly suitable for women and/or patients with weak muscles