3K020 Modular Knee Joint for Children, polycentric

Item number: 3K020

Category: All products


3K020 Modular Knee Joint for Children, polycentric

polycentric with internal extension assist
up to 45 kg/99 lbs. body weight and 145 cm height

  • for trans-femoral amputeed and kneedisarticulated children
  • medium functional level
  • high stance phase stability
  • medium swing phase control
  • not recommended for children with a higher activity level

Posterior and anterior linkage bars connect upper and lower joint. Security of stance phase results from polycentric kinematics, setting of center of rotation is done by the extension stop adjustment.
For a control of the swing phase, axis friction and extension assist spring are infinitely adjustable. The distal end of this knee joint is provided with a 22 mm Ų tube receiver.

Technical data:
Max. knee flexion angle:
app. 160°

Structural height: depending on adaptor (knee center to upper end)

with pyramid adaptor  3S021  27 mm
with socket adaptor  3S022 17 mm
with lamination anchor  3S023 19 mm

3K313 Foam Cover

Additionally carried loads are also to be considered for weight selection.

Article No. Material  Weight  Loading Class
3K020 Aluminium  344 g  45 kg