Skip navigation

OP5 Knee

OP5 Knee


OP5 Knee is a pneumatic polycentric knee joint, whose swing phase profile can be adjusted to the user’s needs. Multiple socket connection options support use for different amputation levels.

Benefits of OP5 Knee

  • Individually adjustable swing phase for a harmonious gait
  • Simple modification of the socket connector
  • Higher ground clearance for a safer and more confident gait
  • Highly acute flexion angle for more freedom of movement

Impact Levels

Impact LevelExample


Daily activities involving average walking with the ability to vary speed or walking pattern.

Example: Going to the shops, confident outdoor walking.


L5845 L5850

Note: L5845 only applicable when used with an IKF Adapter.

Note: Responsibility for accurate coding lies solely with the provider treating the patient. Össur assumes no responsibility or liability for the provider’s coding decisions. Össur’s coding suggestions rest on its best judgment and are subject to revision based on additional information or changes in the alpha-numeric system.

More Knees and Legs

New Product

You may have noticed that we’ve added a lot of products to our website. That’s because we’ve acquired medi Prosthetics! This acquisition enables us to further expand our prosthetic product portfolio and offer a more diverse and comprehensive range of quality products to our customers. We look forward to sharing these innovative new technologies with you. If you have any questions, please call Össur Customer Service at (800) 233-6263.

OP5 Knee Specifications

OP5 Knee Product Information
Warranty Information
Amputation Level:


Knee Disarticulation

Impact Level: Moderate
Maximum Patient Weight: 125kg (275lbs)
Weight Of Knee: 770g (1.70lbs)
Knee Flexion: 145°