Specifically engineered for active younger users, the E 81 pediatric knee joint with extension assist offers a lightweight aluminum monocentric design. Weighing only 170 gr, it features an adjustable extension mechanism for smoother gait cycles and a wide 145° flexion angle, ensuring high mobility and compatibility with standard 22 mm distal tube systems.

Pediatric Knee Joint with Extension Assist (E 81)


145° Flexion
Adjustable Extension
CE
ISO 10328 Tested


Technical Highlights


  • Type: Monocentric.

  • Mechanism: Adjustable Extension.

  • Distal: Ø22mm Tube.

  • Weight: 170 gr.

The E 81 is a lightweight, totally aluminum monocentric knee joint engineered specifically for children. It features an integrated Adjustable Extension Mechanism, allowing the prosthetist to fine-tune the extension assist to match the child’s gait dynamics. The joint offers a generous 145° flexion angle for ease of sitting and kneeling. The distal connection is designed as a standard Ø22mm tube, ensuring compatibility with other pediatric components.

Functional Design


Gait Optimization

The adjustable extension mechanism assists the lower leg in swinging forward during the gait cycle, ensuring a smoother and more natural walking pattern for the young user.


Ultra Lightweight

Weighing only 170 grams, this aluminum knee joint minimizes energy expenditure, which is crucial for active children up to 45 kg.

Technical Specifications

CodeMaterialWeightWeight Limit
E 81Aluminum170 gr45 kg



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Instructions For Use