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Journal of Long-Term Effects of Medical Implants

Published 4 issues per year

ISSN Print: 1050-6934

ISSN Online: 1940-4379

SJR: 0.184 SNIP: 0.485 CiteScore™:: 1.1 H-Index: 39

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Explantation and Analysis of the First Retrieved Human Acetabular Cup Made of Polycarbonate Urethane: A Case Report

Volume 18, Issue 1, 2008, pp. 75-83
DOI: 10.1615/JLongTermEffMedImplants.v18.i1.580
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ABSTRACT

This report describes the first human retrieval of a polycarbonate-urethane (PCU) acetabular cup implanted for 10.5 months that was revised for pain of unknown origin. By using a micro-CT analysis, the articulating surface was determined to have a wear rate of less than 1.4 mm3 per year. An analysis of the synovial fluid retrieved at the time of revision found an average particle size of 1 μm diameter. Overall, the surgical findings and analysis were consistent with the results observed in laboratory and animal studies. The histology and synovial fluid analysis found sparse evidence of particulate debris and no synovitis, indicating the potential of this articulating material for use as a bearing surface.

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  5. Biant Leela C, Gascoyne Trevor C, Bohm Eric R, Moran Matthew, Retrieval analysis of a failed TriboFit polycarbonate urethane acetabular buffer, Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine, 230, 3, 2016. Crossref

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  9. Kanca Yusuf, Milner Piers, Dini Daniele, Amis Andrew A., Tribological evaluation of biomedical polycarbonate urethanes against articular cartilage, Journal of the Mechanical Behavior of Biomedical Materials, 82, 2018. Crossref

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  11. Lazic Stefan, Kellett Catherine, Afzal Irrum, Mohan Rajan, Killampalli Vijay, Field Richard E, Three-year results of a polycarbonate urethane acetabular bearing in total hip arthroplasty, HIP International, 30, 3, 2020. Crossref

  12. Moroni Antonio, Hoque Martha, Micera Giovanni, Orsini Riccardo, Nocco Emanuele, Giannini Sandro, Cushion Form Bearings in Total Hip Arthroplasty: Nature’s Approach to the Synovial Joint Problem, in Tribology in Total Hip Arthroplasty, 2011. Crossref

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  14. Ford Audrey, Hua Zikai, Ferguson Stephen J., Pruitt Lisa A., Gao Leiming, A 3D-transient elastohydrodynamic lubrication hip implant model to compare ultra high molecular weight polyethylene with more compliant polycarbonate polyurethane acetabular cups, Journal of the Mechanical Behavior of Biomedical Materials, 119, 2021. Crossref

  15. Cadossi M., Chiarello E., Savarino L., Tedesco G., Baldini N., Faldini C., Giannini S., A comparison of hemiarthroplasty with a novel polycarbonate–urethane acetabular component for displaced intracapsular fractures of the femoral neck, The Bone & Joint Journal, 95-B, 5, 2013. Crossref

  16. Molinari Giampaolo, Galmarini Valter, Ferrara Fabrizio, Capelli Roberto, Treatment of hip fractures in the elderly with the “TriboFit” System: retrospective review of our experience, Lo Scalpello - Otodi Educational, 35, 2, 2021. Crossref

  17. Glatzeder Korbinian, Komnik Igor, Ambellan Felix, Zachow Stefan, Potthast Wolfgang, Dynamic pressure analysis of novel interpositional knee spacer implants in 3D-printed human knee models, Scientific Reports, 12, 1, 2022. Crossref

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