medial-pivot knee motion

Medial-pivot knee clinical studies

For more information on clinical studies related to the Evolution® Medial-Pivot Knee

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Survivorship at 17 years



Patient satisfaction

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Forgotten joint score (FJS)

doctor patient hip

Hip clinical studies

For more information on clinical studies related to the MicroPort Orthopedics Tissue Sparing Hip Procedures



VS. 3.2 Days length of stay



VS. 27.3% Discharged home



VS. 4.2% Readmission rate


Every patient is different, and individual results will vary. There are risks and recovery times associated with surgery.

  • References
    1. George A. Macheras et al. “A long term clinical outcome of the Medial Pivot Knee Arthroplasty System.” The Knee Journal, January 29, 2017.
    2. As compared to traditional surgery. Gofton W, Chow J, Olsen KD, Fitch DA Thirty-day readmission rate and discharge status following hip arthroplasty using the supercapsular persutaneously-assisted total hip surgical technique. International Orthopaedics (SICOT) 2014.
    3. As compared to traditional surgery. AHRQ HCUPnet (2012) Agency for Healthcare Research and Quality H-CUPnet Database, ICD-9-CM Code 81.51 for United States in 2011. Accessed 4 Sept 2014
    4. As compared to traditional surgery. Pugely AJ, Callagham JJ, Martin CT, Cram P, Gao Y (2013) Incidence of and risk factors for 30-day readmission following elective primary total joint arthroplasty: analysis from the ACS-NSQIP. J Arthroplast 28(9):1499-1504. Doi:10.1016/j.arth.2013.06.032.
    5. Samy DA et al A Retrospective Comparison of a Medial-Pivot and Posterior-Stabilized Total Knee Arthroplasty With Respect to PatientReported and Radiographic Outcomes. The Journal of Arthroplasty 2017 Dec 7