Product Name: 3A20 Four Bar Linkage S.Steel Knee Joint
Item No.: DA-3A20
Knee Joint:1.Polycentric.2.Suitable for max.100kgs body weight.3.All components made by CNC machine.
1. For trans-femoral amputees.
2.With moderate functional level.
3. Moderate stance phase stability.
4.Moderate swing phase control.
5. Very suitable for longer stump length.
6.Not suitable for amputees with higher functional level.
The stance phase stability is achieved with the polycentric structure(adjustment of the instant center of rotation by adjustment of the stop). The adjustment of axis friction and of the extension assist spring controls the swing phase.
Knee flexion range: approx.140°
3A20 Four Bar Linkage S.Steel Knee Joint