Single Axis Knee Joint with Internal Extension Assist-4S22(S.S)-4S34(T.T)

The monocentric Modular Knee Joints 4S34 (titanium) and 4S22 (stainless steel) with internal extension assist are to be exclusively used for the prosthetic fitting of amputations of the lower limb.The knee joints are recommended for transfemoral amputees up to 100 kg/220 lbs. (4S34) or up to 125 kg/275 lbs. (4S22) body weight and with moderate activity levels. Acceptable as well for higher activity. Knee stability during standing and during the stance phase of walking is achieved by placing the knee axis posterior to the weight bearing line. product offered by Beijing Prosthetic & Orthotic Technique Center