OttobockPolycentric hydraulic knee blending four-bar stance security with fluid swing for K3 users.
Materials & Highlights
Some K3 patients want hydraulic swing response but still benefit from geometric stance security — long limbs, hip weakness, or simple preference. CadenceCore pairs a stability-biased four-bar linkage with a compact hydraulic swing unit, so heel-strike confidence comes from geometry while swing tracks cadence changes fluidly.
The linkage is forged and machined 7075 aluminum on sealed bearings; the miniature hydraulic cylinder offers separate flexion and extension adjustment through side ports. Flexion reaches 155 degrees, build height is 148 mm, mass 798 g, and the knee is rated to 125 kg.
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