Knee Joints

 Products / Knee & Hip Joints / Polycentric Disarticulation Knee Joint

Polycentric Disarticulation Knee Joint | PR04.DZ.16S

Disarticulation knee joint with polycentric kinematics that offers excellent stability and comfort for the prosthetic limb user.

The polycentric knee, also referred to as “fourbar” knee allows stance phase control through its polycentric axis. At the same time it is easy to bend to initiate the swing phase or to sit down. Another important feature of the polycentric knee is that the length of the leg shortens when a step is taken, reducing the risk of stumbling.

The Polycentric Knee is suitable for a wide range of patients, including those with mobility grade 2 who cannot walk securely with other types of knees, have a bilateral leg amputation or a long residual limb.

  • Suitable for bilateral
    leg amputations

  • During rehabilitation or
    mobility classes 2

  • Flexion and extension

  • Easy swing

  • Knee flexion angle
    up to 120°

  • Maximum body weight 100 kg

Mobility Grade 2
Proximal Connection Pyramid Adapter
Distal Connection Pyramid Adapter
Knee Flexion Angle 120°
Weight ~761 gr
System Height 80 mm
Material Stainless Steel
Max Body Weight 100 kg



Warranty: 24 months limited warranty.

Proted operates a quality management system that meets the requirements of ISO 13485 and 9001. Products are CE marked and conform to standards and other normative documents outlined in the EC (CE) Declaration of Conformity.