Medial-Pivot Knee Implant

Evolution® Knee - Second Generation Medial-Pivot


25 years

Celebrating 25 years of innovation, MicroPort Orthopedics employees as well as surgeons who utilize the medial-pivot knee system share their experience with the innovative knee replacement design over the last 25 years.

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MicroPort Orthopedics provides a full Evolution® Medial-Pivot continuum of care, offering a primary knee with both cemented and cementless options as well as a TiNbN-coating. A stemmed primary for both the femur and tibia, and a revision portfolio featuring a CCK with Medial-Pivot articulation.

The Evolution® Medial-Pivot Knee replicates the natural stability and motion of the knee delivering a functionally-restorative design that offers surgeons an innovative solution to problems such as instability, anterior knee pain, and functional limitations.1-4

Quadriceps efficiency

The Evolution® medial-pivot knee enhances quadriceps efficiency and reduces the quadriceps avoidance found in traditional knee replacements. By enhancing quadriceps efficiency, the patient can have increased proprioception and a more normal feeling knee.2


1. Macheras GA, Galanakos SP, Lepetsos P, Anastasopoulos PP, Papadakis SA Knee (2017) A long term clinical outcome of the Medial-Pivot knee arthroplasty system.
2. LaMontagne M, et al. Quadriceps and Hamstring Muscle Activation and Function Following Medial Pivot and Posterior Stabilized TKA: Pilot Study
3. Schmidt R, Komistek RD, Blaha JD, Penenberg BL, Maloney WJ. Fluoroscopic analyses of cruciate-retaining and medial-pivot knee implants. Nov 2003, (416):37-57.
4. Komistek RD, Dennis DA, Mahfouz M Clin Orthop Relat Res. 2003; 410:69-81. In vivo fluoroscopic analysis of the normal human knee.


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