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.
Category:

Specifications

Product ImageProduct NameBuild HeightWeightActivity LevelWeight LimitProximal Adaptor Distal AdaptorAmputation Level
The image of Mechanical-4-Bar-Knee-1Mechanical 4-Bar Knee 1212mmNo lock: 466g
Right lock: 542g
Left lock: 542g
K1 - K4100kgMale Pyramid30mm Tube AdaptorTransfemoral
The image of Mechanical-4-Bar-Knee-2-1Mechanical 4-Bar Knee 2119mmStainless Steel: 916g
Titanium: 671g
K1 - K4125kgLamination AnchorPyramid AdaptorKnee Disarticulation
The image of Mechanical-4-Bar-Knee-3-1Mechanical 4-Bar Knee 3115mmAluminium: 520gK1 - K4100kgMale Pyramid30mm Tube AdaptorTransfemoral
The image of Mechanical-4-Bar-Knee-4-1Mechanical 4-Bar Knee 480mmStainless Steel: 719g
Titanium: 481g
K1 - K4125kgMale PyramidPyramid AdaptorTransfemoral
The image of Mechanical-4-Bar-Knee-5-1Mechanical 4-Bar Knee 5141mmAluminium: 531gK1 - K4100kgMale Pyramid, Lamination Anchor & Lamination Adaptor30mm Tube AdaptorTransfemoral & Knee Disarticulation

Ordering Information

Mechanical-4-Bar-Knee

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