Polycentric Pneumatic 4 Bar Knee
The 1322A Knee joint is a polycentric knee joint with pneumatic swing control that is best suited to be used by moderate to K3 level activity and with higher degree of safety. The frame construction is made of superlight aluminum alloy and the 4-bar linkage is made of aircraft alloy(AA7075). All axes have built-in bearing which allow ultra smooth walking movement. The proximal attachment has A-P slide and rotating adjustment. Optional adapters are pyramid adapter(for AK) and lotus adapter(for KD).