Stainless steel system knee joint with wedge lock

Replaces 17M20=13

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

Contoured medial joint, straight lateral joint, Swiss lock with flexion adjustment

Medial and lateral joints straight, with ring lock

Stainless steel Contoured medial joint, straight lateral joint, with covered bale lock, lock bale points downwards.

Titanium Medial joint has contoured lower bar and straight upper bar, straight lateral joint with wedge lock and cable pull release