Polycentric knee joint bars with gear drive

Stainless steel system knee joint with wedge lock

Replaces 17M20=13

Polycentric knee joint bars

Joints not filed out, joint centre 15 mm to the posterior

Knee joint extension stop can be adjusted by filing, flat bar profile, no posterior placement

with ring lock, flat bar profile

Medial and lateral joints straight, with wedge lock and pull-release cable

Medial joint contoured bottom, straight top, lateral joint straight with wedge lock and pull-release cable

Straight medial and lateral joint, double joints with gear drive and ball bearings

Straight free motion medial and lateral joint with ball bearing, joint centre 16 mm to the posterior

Contoured medial joint, straight lateral joint, double joints with gear drive and ball bearings