3W090 Modular Knee Joint, monocentric with lock

Item number: 3W090

Category: All products


Loading Class: 125 kg
Category: Knee and hip joints
Material: Steel Titanium

There are variations of this item. Please select the variation you wish.


3W090 Modular Knee Joint, monocentric with lock

manual lock and extension  assist
up to 125 kg/275 lbs. body weight

  • for trans-femoral amputees
  • low functional level
  • high stance phase stability
  • low swing phase control
  • not recommended for patients with  a medium and higher activity level

This knee joint has a pyramid with a spherical segment at its proximal and distal end. The connection of upper and lower part of the joint is done by the knee axis with bushings and ball bearings. In an extended position, the knee joint is secured by the readjustable lock.
Release for flexion is done by the manual lock mechanism, locking is done automatically by support of the extension assist springs.

Technical data:
Max. knee flexion angle: approx. 120°
Structural height: 37 mm (knee center to upper end of pyramid)

3W313-L/R 36-44 Foam Cover

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

Article No. Material  Weight  Loading Class
3W090-1  Titanium  419 g  125 kg
3W090-2  Steel  560 g  125 kg