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protect.4 evo

4-point knee orthosis

  • Excellent grip
  • Simple and correct fastening

  Medical specifications

4-point knee orthosis for control of anterior and posterior tibial translation

The protect.4 evo is a functional knee orthosis.
The product is exclusively to be used for the orthotic fitting of the knee and only on intact skin.


Product benefits

  • Stabilisation of the knee joint via the 4-point-stabilisation-principle
  • Collateral stabilisation of the knee joint by rigid frame
  • The hinge design enables the wedges to be changed from outside
  • The movable D-rings adjust flexibly upon movement and provides that the brace supports secure fit on the leg
  • Flat and lightweight frame design provides that the brace is as comfortable to wear as possible under clothing.
  • Removable pads
  • Comprehensive set of wedges for flexible extension and flexion limitation
  • Anatomically pre-moulded frame
  • Numbered straps for easy and secure usage
  • Limitations:
    • Extension: 0°, 10°, 20°, 30°, 45°
    • Flexion: 0°, 10°, 20°, 30°, 45°, 60°, 75°, 90°
    • Immobilisation: 0°, 10°, 20°, 30°, 45°

Intended purpose

protect.4 evo is a rigid brace designed  to guide and stabilise the knee joint using limitation for extension / flexion.


Standard colours

Material components

Avional, Velours, Polyester, PU foam




Medical specifications


All indications requiring a physiological guidance and stabilization of the kneejoint and / or relief of the Joint in two directions such as

  • Cruciate ligament ruptures (conservative / postoperative)
  • Collateral ligament ruptures (conservative / postoperative)
  • Knee instability
  • Meniscus intervention
  • Cartilage surgery


None known at present

Further information

File download


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See our FAQ page for more help and information

FAQ page