| Mechanical 4-Bar Knee 1 | Mechanical 4-Bar Knee 2 | Mechanical 4-Bar Knee 3 | Mechanical 4-Bar Knee 4 | Mechanical 4-Bar Knee 5 | |
|---|---|---|---|---|---|
| Build Height | 212mm | 119mm | 115mm | 80mm | 141mm |
| Weight | No lock: 466g Right lock: 542g Left lock: 542g | Stainless Steel: 916g Titanium: 671g | Aluminium: 520g | Stainless Steel: 719g Titanium: 481g | Aluminium: 531g |
| Activity Level | K1 - K4 | K1 - K4 | K1 - K4 | K1 - K4 | K1 - K4 |
| Weight Limit | 100kg | 125kg | 100kg | 125kg | 100kg |
| Proximal Adaptor | Male Pyramid | Lamination Anchor | Male Pyramid | Male Pyramid | Male Pyramid, Lamination Anchor & Lamination Adaptor |
| Distal Adaptor | 30mm Tube Adaptor | Pyramid Adaptor | 30mm Tube Adaptor | Pyramid Adaptor | 30mm Tube Adaptor |
| Amputation Level | Transfemoral | Knee Disarticulation | Transfemoral | Transfemoral | Transfemoral & Knee Disarticulation |
Mechanical 4-Bar Knees
We offer an extensive range of mechanical and pneumatic 4-Bar knees. Their geometry provides stability and security to the user. The 4-Bar polycentric system provides shortening of the swing, making them ideal for knee disarticulation patients, or those with long residual limbs.
Features and benefits
Mechanical 4-Bar Knee 1: A lightweight 4-Bar knee with exceptional stability. This knee is also available with a hand operated knee lock and optional extension assist.
Mechanical 4-Bar Knee 2: A 4-Bar knee suitable for knee disarticulation with extension assist and friction adjustment. It comes complete with laminating anchor.
Mechanical 4-Bar Knee 3: A compact 4-Bar knee with adjustable buffer to change its stability to suit the individual. Adjustable friction and extension assist. Integral proximal pyramid adaptor.
Mechanical 4-Bar Knee 4: A compact 4-Bar knee with internal extension assist and friction adjustment. Adjustable buffer to change the stability of the knee to suit the individual. Integral proximal pyramid adaptor.
Mechanical 4-Bar Knee 5: A low profile, lightweight 4-Bar knee suitable for knee disarticulation. Adjustable friction control and extension assist. Swing phase is adjustable by spring control.
Recommendations for use
- These mechanical 4-Bar knees are suitable for use with low functionality levels and high safety and stability needs.
