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Child’s 4-bar Knee

Suitable for outdoor use
Activity Level 1 2 3 4

Featuring a polycentric design for stability during stance and an adjustable extension assist spring to provide swing control, the Endolite Child’s 4-bar Knee is a durable and lightweight paediatric knee designed for active children.

Available with a choice of proximal adapters including a Standard Socket Alignment Kit allowing for A-P shift, rotation and flexion, extension, adduction and abduction. A Lamination Socket Adapter Kit allows for A-P shift and is ideal where a minimal build height is required. All alignment adjustments can be made using the easily accessed single bolt.

The knee comes complete with a 25mm lightweight carbon fibre tube and 3 different extension springs for optimal fitting.


  • Polycentric knee for stance stability
  • Adjustable extension assist spring
  • Wide range of alignment
  • Low build height

Technical Data

Max. User Weight


Activity Level


Component Weight


Build Height



Max. User Weight: 60kg
Activity Level: 1-4
Component Weight: 335g
Build Height: 105mm


Suitable for outdoor use


Part Number: 

Child’s 4-bar Knee with 330mm tube – 019245
Child’s 4-bar Knee without tube – 239133 

Proximal Adapters

Child’s TF alignment kit – 189226
Lamination Socket Alignment Kit – 189126
M30 Laminate Adapter 4 Prong Kit – 189626
M30 Childs Adapter Kit – 189726
Female Mini Pyramid Pylon Kit 25mm – 409099

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

Blatchford trademarks.

Last updated: 16th August 2018

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