A different kind of knee replacement

Traditional knee replacements have been shown to feel unstable and move in an unnatural way. The Evolution® Medial-Pivot was designed to address these limitations, providing patients with a natural-feeling implant that works like a healthy knee.

MicroPort Orthopedics has decades of experience producing revolutionary products that improve the lives of patients like you. Experience how the Evolution® MP Knee System exceeds the limitations of traditional knee replacements for yourself.


With a 25-year history of clinical success, the Evolution® Medial-Pivot Knee implant is now being backed by advanced technologies aimed at helping orthopedic surgeons achieve better surgical outcomes. These state-of-the-art solutions enable more precise and efficient control of positioning implants. By pairing these advanced technologies with the Medial-Pivot knee, MicroPort Orthopedics seeks to further improve the success rate and positive patient satisfaction.

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Get home faster

Surgeons utilizing the Evolution® Medial-Pivot Knee System have stated that their patients recover faster and are back to activities of daily life sooner. 1

Excellent patient satisfaction

The Medial-Pivot Knee System by MicroPort Orthopedics has demonstrated higher patient satisfaction when compared to other knee replacement designs on the market, including Posterior Stabilized (PS), Cruciate Retaining (CR), and Mobile-Bearing (MB).2

Why surgeons choose the evolution medial-pivot knee

“The Medial-Pivot is much more normal in terms of replicating knee kinematics.”
Dr. David Backstein MD, MEd, Toronto, ON

25 years of the medial-pivot knee

With over 25 years of documented usage, MicroPort Orthopedics line of Medial-Pivot products have been used in over 1,000,000 cases worldwide.

Patient resources

Five Things You should Ask your hip surgeon

Five things to ask your knee surgeon

Five Things You should Ask your hip surgeon

Knee replacement FAQ


Every patient is different, and individual results will vary. There are risks and recovery times associated with surgery. Consult your doctor to determine if joint replacement surgery is right for you.

Individual results and activity levels after surgery vary and depend on many factors including age, weight and prior activity level. There are risks and recovery times associated with surgery and there are certain individuals who should not undergo surgery. Please click here to read about risks associated with surgery. Only a physician can tell you if this product and associated procedure are right for you and your unique circumstances. Please consult with a physician for complete information regarding benefits, risks and possible outcomes.

These surgeons are paid consultants for MicroPort Orthopedics. The opinions expressed are theirs alone and do not necessarily reflect the opinions of MicroPort Orthopedics Inc.

  • References
    1. MicroPort data on file.
    2. Pritchett JW. Patients prefer a bicruciate-retaining or the medial pivot total knee prosthesis. J Arthroplasty. 2011; 26(2): 224-8.