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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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UHMWPE Glenoid Retrievals

Our lab has an extensive retrieval database of UHMWPE glenoids with various fixation designs. Many of these implanted glenoids have varying forms of damage after implantation in the body. Our lab has developed a scoring methodology for assessing macroscopic wear on retrieved UHMWPE glenoids. Information gathered from ongoing damage assessment of these implants is currently being statistically correlated with patient data, design variables, and surgical techniques to elucidate mechanisms of device failure in vivo.

Malito, L., Ansari, F., Mehdizadeh, A., Koller, J., Gunther, S., Norris, T., Ries, M., Pruitt, L. “Bearing Surface Damange Analysis of Coupled Total Shoulder Replacement Retrievals.” Poster #657 at the Society for Biomaterials Meeting, Boston, Massachusettes, April 10-13, 2013.

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