General

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UHMWPE Forum

Publications & Reports

• Effects of High Dose Irradiation on Cross-Linking of Vitamin E-Blended UHMWPE
• Trace Concentrations of Vitamin E Protect Radiation Crosslinked UHMWPE from Oxidative Degradation
• Effects of Packaging on Free Radicals in Vitamin E Blended UHMWPE
• Assessment of Oxidative Changes after In Vivo Degradation of UHMWPE Knee Components
• 2008 AAOS Scientific Exhibit: Gamma Inert Sterilization: A Solution to Polyethylene Oxidation?
• Correlation of In Vivo Wear and Motion Patterns in TDR
• 2008 ORS Poster: Future Young Patient Demand for Primary and Revision Joint Replacement
• 2008 ORS Poster: In Vivo Oxidation, Oxidation Potential, and Clinical Performance of First and Second-Generation Highly Crosslinked Acetabular Bearings for THA
• 2008 ORS Poster: Immunohistochemical Analysis of Periprosthetic Tissue from THR Revision Surgery
• 2008 ORS Poster: Polyethylene Particle Load Around Retreived Artificial Discs
• 2008 ORS Poster: Post Damage in Three Contemporary Designs of Posterior-Stabilized Knee Components
• 2008 ORS Poster: In Vivo Oxidation and Oxidation Potential for Polyethylene in Total Disc Replacement
• 2008 AAOS Poster: In Vivo Oxidation is the Primary Contributor to Delamination in TKA
• 6th Combined ORS Meeting Poster: Validation of Hybrid Model and Ultimate Chain Stretch Criterion for a Second-Generation Highly Crosslinked UHMWPE
• 3rd UHMWPE International Meeting - Polyethylene in Total Joint Replacement Systems: Concerns and Solutions
• 3rd UHMWPE International Meeting Presentation: On the Mechanical Properties of UHMWPE
• 3rd UHMWPE International Meeting Presentation: Monotonic and Cyclic Fatigue Behaviors of Conventional and Sequentially Annealed Highly Crosslinked UHMWPE
• 3rd UHMWPE International Meeting Presentation: Analyses of Oxygen-Induced Radicals in UHMWPE
• 3rd UHMWPE International Meeting Presentation: Influence of Centrifugation on Morphology of UHMWPE Wear Particles
• 3rd UHMWPE International Meeting Presentation: Aging of Gamma-Sterilized UHMWPE- Influence of Oxygen Concentration in Barrier Packaging
• 3rd UHMWPE International Meeting Presentation: Nanoscale Modification of UHMWPE using MPC
• 3rd UHMWPE International Meeting Presentation: Review of Highly Crosslinked UHMWPE Clinical Literature
• 3rd UHMWPE International Meeting Presentations: Advances in Wear and Oxidation Resistance of 2nd Generation UHMWPE
• 3rd UHMWPE International Meeting Presentation: UHMWPE Stabilization with Vitamin E during E-Beam Irradiation
• 3rd UHMWPE International Meeting Presentation: Practical Considerations in the Scale Up and Manufacture of Vitamin E-Blended UHMWPE for Orthopedics
• 3rd UHMWPE International Meeting Presentation: Spectroscopic and Nanoindentation Study of In Vivo Degradation in Total Knee Replacements
• 3rd UHMWPE International Meeting Presentation: Ion Implantation of Highly Crosslinked and Remelted UHMWPE
• 3rd UHMWPE International Meeting Presentation: On the Novel Use of Nitroxides and Alpha-Tocopherol as Radiolytically-Produced Free Radical Scavengers in UHMWPE
• 3rd UHMWPE International Meeting Presentation: 15-Year Experience in Analysis of UHMWPE: State of the Art and Future Perspectives
• 3rd UHMWPE International Meeting Presentation: Trace Concentrations of Vitamin E Protect Radiation Crosslinked UHMWPE from Oxidative Degradation
• In Vivo Oxidation of Gamma-Barrier-Sterilized Polyethylene Bearings
• Wear Resistance and Mechanical Properties of Vitamin E Doped Acetabular Inserts
• Effect of Alpha-Tocopherol on the Oxidation and Free Radical Decay in Irradiated UHMWPE.
• Review of Oxidative Stability, Mechanical Behavior, and Biocompatibility of Alpha-Tocopherol in UHMWPE
• Logistics and Implementation of a Multi-Center, Regional Total Hip Replacement Retrieval Program to Investigate In Vivo Oxidation of Polyethylene
• 3rd UHMWPE International Meeting - Polyethylene in Total Joint Replacement Systems: Concerns and Solutions
• Polyethylene Wear Debris and Long-Term Clinical Failure of the Charite Disc Prosthesis
• Anisotropy and Oxidative Resistance of Highly Crosslinked UHMWPE after Deformation Processing
• Significance of In Vivo Degradation for Polyethylene in Total Hip Arthroplasty
• Digital Photogrammetry for Quantitative Wear Analysis of Retrieved TKA Components
• Double Notching Apparatus for Impact Testing per ASTM F648 and ISO 5834
• Oxidation behavior in prosthetic UHMWPE components sterilised with high energy radiation in the presence of oxygen
• Book Chapter Excerpt: Total Disc Arthroplasty
• Polyethylene Wear and Rim Fracture in Total Disc Arthroplasty
• Projections of Primary and Revision Hip and Knee Arthroplasties in the United States from 2005 to 2030
• An Advanced User Material Model for UHMWPE
• Oxidation of Radiation-Sterilized UHMWPE Components in a Low Oxygen Environment
• Influence of Remelting on Fatigue Behavior of E-Beam Irradiated UHMWPE
• Effects of Annealing and Remelting on Fatigue Crack Propagation of Crosslinked UHMWPE
• Analysis of Retrieved Crossfire Liners
• Chemical Co-Agents Enhance Radiation Crosslinking of UHMWPE
• Prevalence of Primary and Revision Total Hip and Knee Arthroplasty in the United States
• Survey of Oxidation in Contemporary Packaged UHMWPE
• Crystallinity Changes in Crosslinked UHMWPE During Compression
• In Vivo Degradation of Polyethylene Liners after Gamma Sterilization in Air
• Validation of MicroCT Wear Analysis of Hip Replacements
• Conference Presentation: Oxidation and Stabilization of Polyethylene
• Conference Presentation: Stabilizing Effect of Vitamin E on UHMWPE: Some remarks
• Stabilisation of UHMWPE with Vitamin E
• Clinical Results of Crosslinked UHMWPE
• Morphological Analysis of Retrieved Cross-linked UHMWPE and Improved Microstructures for Enhanced Fatigue and Wear Performance
• Comparison of the Wear, Wear Debris and Functional Biological Activity of Non-crosslinked and Crosslinked GUR 1020 and GUR 1050 Polyethylenes used in Total Hip Prostheses
• New processes to improve the mechanical performance of UHMWPE
• Characterisation of Crosslinked UHMWPE
• Cross-linked Ultra-High Molecular Weight Polyethylene
• Mechanical Properties and In Vitro/In Vivo Oxidation of UHMWPE
• State of the art of UHMWPE in orthopaedics: Sterilisation and packaging
• Microstructure Changes of Extruded UHMWPE After Gamma Irradiation and Shelf Aging
• Fatigue Resistance of Electron-Beam and Gamma Irradiation Crosslinked UHMWPE
• Deformation, Yielding, Fracture, and Fatigue Behavior of UHMWPE
• Analysis of a Retrieved Total Disc Replacement Component
• Fluid Pressure - An Alternative to Wear-Induced Lysis?
• Real-Time Shelf Aging Data for Current Sterilization Methods
• Notch Strengthening Behavior of Crosslinked UHMWPE
• Molecular Chain Stretch as Multiaxial Failure Criterion
• Failure Property Distributions for Crosslinked UHMWPE
• FDA Panel Unanimously Approves Total Disc Replacement
• Interlaboratory Study of Impact Strength for UHMWPE
• NMR Analysis of Copolymer Content and Branching in UHMWPE Resin
• Alpha-Tocopherol (Vitamin E) Doped Highly Crosslinked UHMWPE
• Effect of Joint Loading on Clinical Wear
• Effects of Contact Area and Stress on Wear of UHMWPE
• Rheology of Joint Fluid in Total Knee Arthroplasty Patients
• NIH Draft Consensus Statement on Knee Replacement
• Two-Year Clinical Results for Highly Crosslinked UHMWPE in THA
• Fractography of UHMWPE Following Accelerated Aging
• Fracture Behavior of Shelf-Aged Tibial Components
• High Pressure Crystallization of Crosslinked UHMWPE
• Biological Response to Wear Debris
• UHMWPE Processing: Techniques and Problems
• Historical Review: Discovery of Polyethylene
• Oxidation and Stabilization of UHMWPE
• Simulation of Unloading and Cyclic Loading
• Mechanical Property Degradation Following Long-Term Implantation
• Failure Micromechanisms in Conventional and Highly Crosslinked UHMWPE
• Comparison of Annealed Crosslinked and Conventional UHMWPE
• Validation of Wear Simulation Methods
• Prediction of Multiaxial Mechanical Behavior for Conventional and Highly Crosslinked UHMWPE
• Multiaxial Fatigue Behavior of Crosslinked UHMWPE
• Taguchi Analysis of Accelerated Aging Conditions for UHMWPE
• Interaction of Oxidation and Crosslinking
• Effect of Natural and Accelerated Aging on Inert-Packaged UHMWPE
• Implant Wear in Total Joint Replacement
• Thermomechanical Behavior of Crosslinked UHMWPE
• Deconvolution of Surface Topology in Crosslinked Acetabular Inserts
• Effect of Resin, Processing, and Radiation Environment on Mechanical Degradation
• Virgin UHMWPE is Not Immune to Oxidative Degradation
• Microabrasion to Assess Surface Degradation of UHMWPE
• Numerical oxidation model for gamma radiation-sterilized UHMWPE
• Macro- and Microscopic Evaluation of Fatigue in Medical Grade Ultrahigh Molecular Weight Polyethylene
• Oxidation of Ethylene Oxide Sterilized Cups
• Validation of Oxidation Index Standard after Severe Oxidation
• New Hybrid Constitutive Model for UHMWPE
• Miniature Specimen Shear Punch Test for UHMWPE
• Wear Surfaces of Highly Crosslinked Acetabular Components
• Development of the Small Punch Test for UHMWPE

Standards Development

• Conference on Degradation, Stabilization, and Crosslinking of UHMWPE
• Trans-Vinylene FTIR Test Method Published by ASTM
• ISO Publishes Resin, Oxidation Index, and Morphology Standards
• Accelerated Aging Test Method and Consolidated Form Specification Now Final Draft ISO Standards
• Trans-Vinylene FTIR Test Method Approved at ASTM
• Resin, Aging, and Morphology Test Methods Passed as Draft International Standards
• Miniature Specimen Izod Round Robin
• Oxidation Index Method Passed as Draft International Standard
• Morphology Index Round Robin Completed
• Swell Ratio Testing Standard Now Available
• Revision of Accelerated Aging Standard Now Available at ASTM Website
• Update on Accelerated Aging and Swell Ratio ASTM Standards
• Tensile and Impact Data for Contemporary UHMWPE Resins
• 1900 Resin Discontinued by Basell: Will Type 3 Resin Remain in ASTM F-648?
  • Basell (formerly Montell) announced that it had sold its UHMWPE technology to Polialden, as detailed in their press release.
  • Basell has subsequently dismantled it's USA UHMWPE plant.
• Update: Small Punch Testing Standard Available as ASTM F2183-02
• Tensile and Impact Data for Contemporary UHMWPE Resins
• Update on UHMWPE Standards Development at ISO
• Standard Guide for Evaluating the Extent of Oxidation in Ultra-High-Molecular-Weight Polyethylene Fabricated Forms Intended for Surgical Implants
• NIST Mechanical Property Data for Reference UHMWPE Published at SFB

Conferences

• NIH Consensus Development Conference for Knee Replacement
• Conference on PE Wear
• Symposium on Crosslinked and Thermally Treated UHMWPE
• Technology Transfer Workshop on UHMWPE used in Joint Replacements at ESB 2001
• New Test Methods for Evaluating the Performance of Conventional and Crosslinked UHMWPE at the American Society for Testing and Materials
• Ultrahigh Molecular Weight Polyethylene Workshop at the Society for Biomaterials
• Polyethylene at the 47th Orthopedic Research Society Meeting
• Polyethylene 2001 Workshop
• NIH/AAOS Wear Symposium

Atlas of UHMWPE Microscopy

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Basic Resources

• Background Reading
• Related Web Sites
• Standardization Guide
• NIST Reference Material