Catalyst Propel OA

The Catalyst Propel OA brace is designed to reduce the pain of knee osteoarthritis and provide stability. Featuring the unique Active Thigh Cuff (ATC), a patented thigh-strapping mechanism that dynamically adapts to the shape and contour of the thigh throughout a full range of motion.

Features and benefits

  • Anterior tibial cuff curved to comfortably fit tibial crest without pressure and provide stability to the knee
  • Low-profile, adjustable ATC for ultimate suspension and protection
  • Medial relief on rigid top reduces medial clearance issues and improves thigh comfort
  • Aerospace-grade aluminum frame is strong yet enables customization
  • Extension Stops: 0°, 5°, 10°, 20°, 30°, and 40°
  • Flexion Stops: 45°, 60°, 75°, and 90°


  • Stabilisation of ACL, MCL, PCL, LCL, or treatment of combined ligament instabilities
  • Protection for surgical repairs
  • Conservative treatment of ligament damage or deficiency
  • Mild to severe unicompartmental osteoarthritis
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Ordering Information

Part Number LeftPart Number RightSizeCircumference - 15cm Above Mid PatellaCircumference - Mid PatellaCircumference - 15cm Below Mid Patella
1335-XL-L1335-XL-RX Large57-65cm43-48cm42-47cm
1335-XXL-L1335-XXL-RXX Large65-76cm48-56cm47-56cm

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Colour: Grey

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