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Sigma® High Performance Partial Knees

Only the Sigma® High Performance (HP) Partial Knee can replace any of the three areas of your knee, depending on the degree of arthritis damage. Replacing only the damaged area maintains more of your natural knee, helping to relieve pain and restore more natural movement. And because partial knee replacement is less invasive, you have the potential for a faster recovery than with a total knee replacement.

The Sigma HP Partial Knee may be an option for more active patients who require a high degree of flexion, but do not yet need a total knee replacement. It accommodates deep knee flexion, the movement needed for kneeling, squatting or sitting cross-legged. It may also make it easier for you to participate in social, cultural, religious or leisure activities that are important to you that require this type of bending.


   Sigma HP Partial Knee

Features of Sigma High Performance Partial Knees

  • Sigma High Performance (HP) Partial Knees can replace any of the three areas of the knee
  • More of the knee is left intact than with a total knee replacement, so patients may experience less pain and move more naturally
  • This High Flex implant accommodates the knee flexion required for everyday activities like kneeling and squatting

See how the Sigma High Performance Partial Knee helped Laura enjoy her favorite past times again—horseback riding and hiking. Read Laura's story

Important Safety Information

The performance of knee replacements depends on age, weight, activity level, and other factors. There are potential risks and recovery takes time. People with conditions limiting rehabilitation should not have this surgery. Only an orthopaedic surgeon can tell if knee replacement is right for you.

Talk to a doctor about your knee condition
Use our Surgeon Locator to find a surgeon near you who can discuss your options with Sigma® Knee Replacement Solutions.

 Next: Sigma Rotating Platform Knees


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