年間 4 号発行
ISSN 印刷: 1050-6934
ISSN オンライン: 1940-4379
Indexed in
Catastrophic Stem Taper Wear in Ceramic on Polyethylene Bearing Couple: A Case Report
要約
A severe abrasion occurred at the stem taper 13 years after total hip arthroplasty. The bearing couple was 28 mm ceramic on polyethylene. The ceramic head had almost no damage, whereas the stem taper had severe damage. An ectopic bone probably contributed to the abrasion. The ectopic bone had grown to restrict the normal motion in the bearing couple and all stress and torque seemed to concentrate in the junction until the junction obtained mobility instead of the original bearing couple.
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Urish Kenneth L., Hamlin Brian R., Plakseychuk Anton Y., Levison Timothy J., Higgs Genymphas B., Kurtz Steven M., DiGioia Anthony M., Trunnion Failure of the Recalled Low Friction Ion Treatment Cobalt Chromium Alloy Femoral Head, The Journal of Arthroplasty, 32, 9, 2017. Crossref
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Rowan Fiachra E., Wach Amanda, Wright Timothy M., Padgett Douglas E., The onset of fretting at the head-stem connection in hip arthroplasty is affected by head material and trunnion design under simulated corrosion conditions, Journal of Orthopaedic Research®, 36, 6, 2018. Crossref
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Woon Colin Y.L., Wach Amanda, Wright Timothy M., Padgett Douglas E., Taper Design, Head Material, and Manufacturer Affect the Onset of Fretting Under Simulated Corrosion Conditions, The Journal of Arthroplasty, 35, 4, 2020. Crossref