Knee module 4-link polycentric

Polycentric Knee Joint 6H09А is intended for patients with low or moderate level activity. The joint is used in hip pros-thesis for transfemoral amputation, including transfemoral disarticulation. Maintenance-free needle bearings used on all axes of joint ensure high reliability and increasing resource of knee joint. The kinematics of the joint allows functional shortening of prosthesis up to 15 mm during swing phase. Knee Joint 6H09А has adjustable extension assist.