4-Bar Knee with PSPC

Activity Level 1 2 3

Ideal for long residual limbs this combined polycentric and pneumatic knee offers users geometric stability with dynamic swing phase and low profile proximal build height.


  • Geometrically stable stance phase
  • Pneumatic swing phase control
  • 125° knee flexion
  • Proximal dome socket attachment
  • 35mm distal clamp


Max. user weight: 100kg
Activity level:  1-3
Component weight: 888g
Control unit: Pneumatic



Part Number:

019136 – Slim Four Bar Knee (PSPC) 

This knee has an integral endolite socket connector and requires the socket dome to be shaped appropriately. See below for formers.

Socket Former Kits:

940674 – Std. knee disarticulation laminated
940675 – Small knee disarticulation laminated
940647 – Drape former thermoplastics std. KD.
940639 – Drape former thermoplastics small. KD. 


An annual visual inspection is recommended. Check for visual defects that may affect proper function. Maintenance must be carried out by competent personnel.

Last updated: 15th July 2015

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