Knee Joints

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Polycentric Knee Joint | PR04.PS.150

Polycentric knee joint with integrated extension assist. Thanks to its polycentric kinematics, the knee joint ensures excelent stability and comfortable walking for the prosthetic limb user.

PR04.PS.150 is a polycentric prosthetic knee joint that offers reliable stance phase security for users with moderate activity levels. Recommended for transfemoral amputees with mobility grade 2. Flexion and extension dampening can be separately and individually customised to the needs of the user.

  • Above-knee amputation or
    knee disarticulation

  • During rehabilitation or
    mobility classes 2

  • Knee flexion angle
    up to 120°

  • Adjustable flexion and
    extension dampening

  • Maximum body weight 100 kg

Mobility Grade 2
Proximal Connection Pyramid Adapter
Distal Connection Pyramid Adapter
Knee Flexion Angle 120°
Weight ~620 gr
System Height 81 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.