Upper and lower joint sections are connected by linkage bars. Stance phase stability is achieved through polycentric kinematics (instantaneous centre of rotation is set by adjusting the stop).
Swing phase control is adjustable using axis friction and the extension assist spring.
|Activity Level||K1, K2|
|Maximum Body Weight||220 lbs (100 kg)|
|Proximal Connection||Pyramid Adapter|
|Distal Connection||Pyramid Adapter|
|Maximum Knee Flexion Angle||110 degrees|
|Knee Center to Proximal Connection||30 mm|
|Product Weight||445 g|
3R20, 3R36 Polycentric Knee Joints - Instructions for Use
Instructions for Use: 647G72 (EN/DE/FR/IT/ES/PT/NL/SV/DA/PL/HU/CS/RO/EL/TR/RU/ZH)
Fabrication Order Form for Transfemoral or Knee Disarticulation
Order Form: (EN)
Publish date: May 1, 2015
LL Prosthetic Documentation Packet
Publish date: Jul 20, 2020