single-axis prosthetic knee joint / with stance control / K2 / K3
3R90, 3R92



  • Mechanical characteristics:

    single-axis, with stance control

  • Activity level:

    K2, K3, K4, K1

  • Applications:

    for walking

  • Patient type:



The 3R90 and 3R92 are new generation knee joints with friction brakes boasting a modular design. It minimizes wear and friction through its industry leading bearing technology. The brake mechanism is even more functionally reliable because it has been optimized. The brakes boast an extended life of use, which provodes the ability to make a bigger variety of adjustments.

The technical improvments are enhanced by the look of the new design. These knees are able to be flexed at an angle of 135 degrees. The knee is approximately 40 mm tall. They are recommended for Otto Bock Mobility grades 1 and 2. The 3R92 is also recommended for the Otto Bock Mobility grades 2 and 3. These knee joints boast enhanced technology and a new design function.