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Medical Polymer Group

Medical Polymer Group

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    • Research
      • Wear Testing
      • Fatigue Crack Propagation of UHMWPE
      • Retrieval Analysis
      • UHMWPE Glenoid Retrievals
      • Cobalt Chrome Humeral Head Retrievals
      • 3D Profilometry Analysis of Surface Damage on CoCr Humeral Head Retrievals
      • Modular Junctions in Reverse Shoulder Arthroplasty
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Retrieval Analysis

Our lab currently works with three orthopedic surgeons to collect and analyze joint replacements that have been retrieved from patients due to failure. Our analysis spreads across both metallic and polymeric components, with a primary focus on total shoulder arthroplasty.

Pruitt, L. A., Ansari, F., Kury, M., Mehdizah, A., Patten, E. W., Huddlestein, J., … & Ries, M. D. (2013). Clinical trade-offs in cross-linked ultrahigh-molecular-weight polyethylene used in total joint arthroplasty. Journal of Biomedical Materials Research Part B: Applied Biomaterials. 101B (3), 476-484.

F. Ansari, C. Major, T. R. Norris, S. B. Gunther, M. Reis, L. Pruitt. (Accepted for publication Nov 2013) “Unscrewing Instability of Modular Reverse Shoulder Prosthesis Increases Propensity for In Vivo Fracture: A Report of Two Cases.” The Journal of Shoulder and Elbow Surgery.

Ansari, F., Chang, J., Huddleston III, J., Van Citters, D., Ries, M., & Pruitt, L. (2013). Fractography and oxidative analysis of gamma inert sterilized posterior-stabilized tibial insert post fractures: Report of two cases. The Knee, 20 (6), 609-613.

Atwood, S. A., Patten, E. W., Bozic, K. J., Pruitt, L. A., & Ries, M. D. (2010). Corrosion-Induced Fracture of a Double-Modular Hip ProsthesisA Case Report. The Journal of Bone & Joint Surgery, 92(6), 1522-1525.

Furmanski, J., Anderson, M., Bal, S., Greenwald, A. S., Halley, D., Penenberg, B., … & Pruitt, L. (2009). Clinical fracture of cross-linked UHMWPE acetabular liners. Biomaterials, 30(29), 5572-5582.

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