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Journal article
Does Metal Transfer Differ on Retrieved Ceramic and CoCr Femoral Heads?
BioMed research international, v 2015, pp 283038-10
01 Jan 2015
PMID: 26583097
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Metal transfer has been observed on retrieved THA femoral heads for both CoCr and ceramic bearing materials.
In vitro
wear testing has shown increased wear to polyethylene acetabular liners with the presence of metal transfer. This study sought to investigate the extent of metal transfer on the bearing surface of CoCr and ceramic femoral heads and identify prevalent morphologies. Three bearing couple cohorts: M-PE (
n
= 50), C-PE (
n
= 35), and C-C (
n
= 15), were derived from two previously matched collections (
n
= 50/group) of CoCr and ceramic femoral heads. From the three cohorts, 75% of the femoral heads showed visual evidence of metal transfer. These femoral heads were analyzed using direct measurement, digital photogrammetry, and white light interferometry. Surface area coverage and curved median surface area were similar among the three cohorts. The most prevalent metal transfer patterns observed were random stripes (
n
= 21/75), longitudinal stripes (
n
= 17/75), and random patches (
n
= 13/75). Metal transfer arc length was shorter in the M-PE cohort. Understanding the morphology of metal transfer may be useful for more realistic recreation of metal transfer in
in vitro
pin-on-disk and joint simulators studies.
Metrics
Details
- Title
- Does Metal Transfer Differ on Retrieved Ceramic and CoCr Femoral Heads?
- Creators
- Eliza K. Fredette - Drexel UniversityDaniel W. MacDonald - Drexel UniversityRichard J. Underwood - Exponent (United States)Antonia F. Chen - Rothman InstituteMichael A. Mont - Sinai HospitalGwo-Chin Lee - Implant Research Center, School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA 19104, USA Exponent, Inc., Philadelphia, PA 19104, USA Rothman Institute at Thomas Jefferson University Hospital, Philadelphia, PA 19107, USA Center for Joint Preservation and Replacement, The Rubin Institute of Advanced Orthopedics, Sinai Hospital of Baltimore, Baltimore, MD 21215, USA The University of Pennsylvania, Philadelphia, PA 19104, USA Hartzband Center for Hip and Knee Replacement, Paramus, NJ 07652, USA Center for the Evaluation of Implant Performance, Departments of Orthopaedics and Mechanical and Aerospace Engineering, Case Western Reserve University, Cleveland, OH 44106, USAGregg R. Klein - Hartzband Center for Hip and Knee Replacement, Paramus, NJ 07652, USA.Clare M. Rimnac - Case Western Reserve UniversitySteven M. Kurtz - Exponent (United States)
- Publication Details
- BioMed research international, v 2015, pp 283038-10
- Publisher
- Hindawi Publishing Corporation
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- School of Biomedical Engineering, Science, and Health Systems
- Web of Science ID
- WOS:000364670500001
- Scopus ID
- 2-s2.0-84947447679
- Other Identifier
- 991019168406704721
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- Collaboration types
- Industry collaboration
- Domestic collaboration
- Web of Science research areas
- Biotechnology & Applied Microbiology
- Medicine, Research & Experimental