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Accepted (AM)Open Access (License Unspecified), Open
Journal article
Mechanical Properties of Retrieved Highly Cross-Linked Crossfire Liners After Short-Term Implantation
The Journal of arthroplasty, v 20(7), pp 840-849
2005
PMID: 16230233
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
This study reports on detailed analyses of retrieved, annealed cross-linked liners. Twelve cross-linked liners (Crossfire, Stryker Orthopaedics, Mahwah, NJ) of the same Omnifit design were retrieved at revision surgery by one institution after an average 1.9 years (0.02-4.8 years) in vivo. In each case, the revision surgery was performed for reasons unrelated to wear. The mechanical properties and extent of oxidation of all inserts were characterized using a standard small punch test and measurement of the oxidation index. Results indicated that there was no association between implantation time and either mechanical properties or extent of oxidation for the inserts near the worn bearing surface. Slight variation in properties was observed as a function of sampling location, with the properties near the unworn surface displaying the greatest relative variability. We conclude that the variability in polyethylene properties observed in this small study was not clinically significant for these short-term-implanted, annealed cross-linked liners.
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Details
- Title
- Mechanical Properties of Retrieved Highly Cross-Linked Crossfire Liners After Short-Term Implantation
- Creators
- Steven M. Kurtz - Drexel UniversityWilliam Hozack - Rothman InstituteJoseph Turner - Drexel UniversityJames Purtill - Rothman InstituteDaniel MacDonald - Drexel UniversityPeter Sharkey - Rothman InstituteJavad Parvizi - Rothman InstituteMichael Manley - Ridgewood Public SchoolsRichard Rothman - Rothman Institute
- Publication Details
- The Journal of arthroplasty, v 20(7), pp 840-849
- Publisher
- Elsevier
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- School of Biomedical Engineering, Science, and Health Systems
- Web of Science ID
- WOS:000233091300004
- Scopus ID
- 2-s2.0-26844478198
- Other Identifier
- 991019167339904721
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- Collaboration types
- Industry collaboration
- Domestic collaboration
- Web of Science research areas
- Orthopedics