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OH7 Knee

OH7 Knee


OH7 Knee is a hydraulic, polycentric knee joint with a 3-Valve Hydraulic. Due to its robust construction, it supports patients up to 136 kg. The OH7 can be adapted to four different socket connection options, enabling use by different amputation levels.

Key Features

  • High activity frame
  • 3 valve hydraulic swing phase adjustment
  • Adjustable geometry for stability adjustment
  • 4 socket connection options
  • Integrated rotation and shift adjustment
  • Large knee flexion range 0° to 150°

User Profile

  • Transfemoral or knee disarticulation amputation
  • K-Levels 3 and 4
  • Maximum user weight 300 lb/136 kg

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.


Daily activities involving fast walking, jogging and climbing stairs.

Example: Heavy-lifting, manual labor, recreational sports.


L5814 L5845 L5850 L5930

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.

OH7 Knee Specifications

OH7 Knee™ Product Information
Warranty Information
Amputation Level:


Knee Disarticulation

Hip Disarticluation


Impact Level: Moderate to High
Maximum Patient Weight: 136kg (300lbs)
Weight Of Knee: 930g (2.05lbs)
Knee Flexion: 150°