Loma Linda University

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Ian Clarke, PhD
Research Professor, Orthopedic Surgery
School of Medicine
Presentations    Research Presentations -- National
  • Ian C. Clarke. "Metal on Ceramics - a Revolution?." Annual Advances and Controversies in Orthopaedic Surgery Congress. Valencia, Spain ( 6/2007 )
  • Ian C. Clarke. "Crosslinked Polyethylene - a Useful Evolution?." Annual Advances and Controversies in Orthopaedic Surgery Congress. Valencia, Spain ( 6/2007 )
  • Ian C. Clarke. "Use of Ceramic Femoral Condiles for TKR - Where's the benefit?." Annual Advances and Controversies in Orthopaedic Surgery Congress. Valencia, Spain ( 6/2007 )
  • Paul Williams, Cynthia Brown, Riichiro Tsukamoto, Hiromu Shoji, Takashi Nakamura, Ian Clarke. "Effect of Crosslinking and Femoral Material and Polyethylene Wear Debris in a Knee Simulator Model.." Annual Society for Biomaterials. Chicago, Illinois ( 4/2007 )
  • Paul Williams and Ian Clarke. "Submicron and Micron Sized Particles can be Represented as a Composite of two distributions." Annual Society for Biomaterials. Chicago, Illinois ( 4/2007 )
  • Paul Williams and Ian Clarke. "A Unified Approached for Evaluation of UHMWPE Using Wear Volume and Debris Size Distribution." Annual Society for Biomaterials. Chicago, Illinois ( 4/2007 )
  • Shelton McKenzie, Paul Williams, Douglas Green, Ian Clarke. "Can we Trust hip Simulator Predictions: Ceramic-on-Ceramic Micro Separation Wear Model?." Annual Society for Biomaterials. Chicago, Illinois ( 4/2007 )
  • Douglas Green, Paul Williams, Giuseppe Pezzotti, Ian Clarke. "Stripe Wear Analyses in Large Diameter Ceramic-on-Ceramic Bearings in Microseparation Simulator Mode." Annual Society for Biomaterials. Chicago, Illinois ( 4/2007 )
  • Douglas Green, Allen Gustafson, Ian Clarke. "Effects of Big-ball Concepts for Wear of New Crosslinked UHMWPE Cups Under the Microseparation Wear Mode." Annual Society for Biomaterials. Chicago, Illinois ( 4/2007 )
  • John Bowsher, Thomas Donaldson, Ian Clarke. "The Relationship between Wear and Ion Release for Large Diameter Metal-on-Metal Hip Bearings." Annual Society for Biomaterials. Chicago, Illinois ( 4/2007 )
  • Douglas Green, Ian Clarke, Thomas Donaldson, Paul Williams, Giuseppe Pezzotti. "Long Term Stripe Wear Rates of 3rd and 4th Generation Ceramic on Ceramic under Microseparation." The 53rd Annual Orthopaedic Research Society. San Diego, California ( 2/2007 ) Link...
  • Ian Clarke and John Bowsher. "Thermal Conductivity of Femoral Ball Strongly Influenced UHMWPE Wear in a Hip Simulator Study." The 53rd Annual Orthopaedic Research Society. San Diego, California ( 2/2007 ) Link...
  • John Bowsher, Thomas Donaldson, Paul Williams, Ian Clarke. "Surface Damage Following Multiple Dislocations of a Large Diameter Metal on Metal Hip Prosthesis - A Case Report." The 53rd Annual Orthopaedic Research Society. San Diego, California ( 2/2007 ) Link...
  • Riichiro Tsukamoto, Mikiko Tsukamoto, Ryoko Mine, Hiromu Shoji, Giuseppe Pezzotti, Ian Clarke. "Wear Response ZrO2/7-MRad UHMWPE Knee Joint and Phase Analyses by confocal Raman Spectroscopy." The 53rd Annual Orthopaedic Research Society. San Diego, California ( 2/2007 ) Link...
  • Ian Clarke, Sharon Brown, Giuseppe Pezzotti, Douglas Green and Thomas Donaldson. "Undesirable Phase Transformation in Zirconia Hip Balls - Mechanical and Hydrothermal Trigger Mechanisms ." The 53rd Annual Orthopaedic Research Society. San Diego, California ( 2/2007 ) Link...
  • Ian Clarke, Sharon Brown, Giuseppe Pezzotti, Douglas Green, Thomas Donaldson. "Undesirable Phase Transformation in Zirconia Hip Balls - Mechanical and Hydrothermal Trigger Mechanisms." The 53rd Annual Orthopaedic Research Society. San Diego, California ( 2/2007 ) Link...
  • Ian C. Clarke, Thomas K. Donaldson, Giuseppe Pezzotti, Douglas Green, Paul Williams. "Scientific Exhibit: Status of Aluminum, Oxinium, Zirconia and Zirconia-toughened Alumina Hip Implants in USA." Annual American Association of Orthopaedic Surgeon (AAOS). San Diego, California ( 2/2007 )
  • John G. Bowsher, Thomas K. Donaldson, Ian C. Clarke. "Scientific Exhibit: Using More Severe Test Methods for Improved Performance Predictions of Joints Replacements." Annual American Association of Orthopaedic Surgeon. San Diego, California ( 2/2007 )
  • Thomas Donaldson, Ian Clarke, Giuseppe Pezzotti, Douglas Green, Sharon Brown, Michael Ries, Paul Williams. "Scientific Exhibit: Status of Zirconia Hip and Knee Implants in USA." Annual American Association of Orthopaedic Surgeon. San Diego, California ( 2/2007 )
  • Shelton McKenzie, Paul Williams, Douglas Green, Ian C. Clarke. "Reliability of Ceramic-on-Ceramic Wear Estimates: A Laboratory Hip Simulator Wear Model with Micro-Separation." 53rd Annual Orthopaedic Research Society. San Diego, California ( 2/2007 ) Link...
  • John Bowsher, Thomas Donaldson, Aiguo Wang, Aaron Essner, Ian Clarke. "Low Running-in Wear For Large Diameter Metal-on-Metal Hip Bearings." The 53rd Annual Orthopaedic Research Society. San Diego, California ( 2/2007 ) Link...
  • Tsunehito Ishida, Ian Clarke, Hideo Shirasu, Tkaaki Shishido, Kengo Yamamoto, Jean-Yves Lazennec. "Detailed Wear Mapping of Retrieved Second-Generation Metal-on-Metal THR." The 53rd Annual Orthopaedic Research Society. San Diego, California ( 2/2007 ) Link...
  • Paul Williams and Ian Clarke. "Total Wear Performance of UHMWPE Fabrication Methods in a Hip Simulator Model." The 53rd Annual Orthopaedic Research Society. San Diego, California ( 2/2007 ) Link...
  • Riichiro Tsukamoto, Hiromu Shoji, Mikiko Tsukamoto, Kengo Yamamoto, Giuseppe Pezzotti, Ian C. Clarke. "Wear Response Zirconia/7-Mrad UHMWPE Knee Joint And Phase Analysis By Confocal Raman Spectroscopy." The 53rd Annual Orthopaedic Research Society Meeting. San Diego, California ( 2/2007 ) Link...
  • Tsunehito Ishida, Ian Clarke, Thomas Donaldson, Hideo Shirasu, Kengo Yamamoto. "Ceramic-on-Metal Simulator Wear and Ion Comparison: 32mm vs. 38mm Diameters." The 53rd Annual Orthopaedic Research Society. San Diego, California (*) Link...
  • Ian C. Clarke. "Pros and Cons of Ceramics Hips and Knees in USA." Annual Orthopedic Education Summit. Bachelor Gulch, Colorado ( 1/2007 )
  • Ian C. Clarke. "Crosslinked Polyethylene - an Evolution?." The 11th BIOLOX Rome Hip Symposium. Rome, Italy ( 10/2006 ) Link...
  • Ian C. Clarke. "Biomechanics of my very active patients." The 11th BIOLOX Rome Hip Symposium. Rome, Italy ( 10/2006 ) Link...
  • Ian C. Clarke. "Rigid on Rigid Bearings - What are the Risks and Benefits?." The 11th BIOLOX Rome Hip Symposium. Rome, Italy ( 10/2006 ) Link...
  • Ian C. Clarke. "The Implications of Metal Ions." The 11th BIOLOX Rome Hip Symposium. Rome, Italy ( 10/2006 ) Link...
  • Ian C. Clarke. "What's New and Improved about the XLPE's ." 8th Annual total Hip and Knee Arthoplasty Symposium. Mammoth, California ( 9/2006 )
  • Ian C. Clarke. "Wear Testing What Does it Really Tell us? ." Annual Resident Focus Meeting. Michigan University, Michigan ( 9/2006 )
  • Ian C. Clarke. "Wear Debris the Large and Small of it." Annual Resident Focus Meeting. Michigan University, Michigan ( 9/2006 )
  • Ian C. Clarke. "Is there a Place for Highly Crosslinked Polyethylene in Knee's? ." Annual Resident Focus Meeting. University of Michigan, Michigan ( 9/2006 )
  • Ian C. Clarke. "Detrimental Hydrothermal Transformations on Surfaces of Zirconia Balls." 8th Annual total Hip and Knee Arthroplasty Symposium. Mammoth, California ( 9/2006 )
  • Ian C. Clarke. "Current Status of Hard-on-Hard Articulations." 8th Annual total Hip and Knee Arthroplasty Symposium. Mammoth, California ( 9/2006 )
  • Ian C. Clarke. "Hip Resurfacing: How does the Future look from 30 years ago? ." 8th Annual Total Hip and Knee Arthroplasty Symposium. Mammoth, California ( 9/2006 )
  • Ian C. Clarke. "MOM and COC THR's - Performance and Squeaking." 8th Annual Hip and Knee Arthroplasty Symposium. Mammoth, California ( 9/2006 )
  • IC Clarke, DD Green.. "US Perspective on Hip Simulator Wear T esting of BIOLOX Delta in Severe Test Mode.." 11th International BIOLOX Symposium. Rome, Italy ( 6/2006 - 7/2006 ) Link...
  • Tsukamoto R, Tsukamoto M, Yamada K, Pezzotti G, Shoji H, Clarke IC.. "Sequentially Enhanced Polyethylene in 10Mc Knee Simulation Study.." Society for Biomaterials 2006. Pittsburg, Pennsylvania ( 4/2006 ) Link...
  • Tsukamoto R, Ogino M, Shoji H, Yamada K, Pezzotti G, Clarke IC.. "Molded GUR1050 Resin Type Performance Versus ArCom 1900H InKnee Wear Simulation Study.." Society for Biomaterials 2006. Pittsburgh, Pennsylvania ( 4/2006 ) Link...
  • Ishida T, Shirasu H, Yamamoto K, Clarke IC, Green DD, Donaldson TK, Lazennec JY.. "Detailed Wear Maps and Retrieved Metal-on-Metal (Metasul) THR after 2 to 9 years use. ." Society for Biomaterials 2006. Pittsburgh, Pennsylvania. ( 4/2006 ) Link...
  • T Ishida, H Shirasu, T Tateiwa, T Masaoka, T Shishido, K Yamamoto, IC Clarke.. "UHMWPE Run-in Wear Mapping in Low-Protein Lubricants Used in Hip Simulator." 52nd Annual Orthopaedic Research Society. Chicago, Illinois ( 3/2006 ) Link...
  • Williams PA, Bowsher JG, Donaldson TD, Clarke IC.. "Wear Particle Morphology of Sequential Irradiated/Annealed Polyethylene Under a 'Severe' Wear Hip Simulation.." 52nd Annual Orthopaedic Research Society.. Chicago, Illinois ( 3/2006 ) Link...
  • Bowsher JG, Donaldson TK, Clarke IC.. "Using More Severe Test Methods for Improved Performance Predictions of Joint Replacements.." American Academy of Orthopaedic Surgeons 2006. Chicago, Illinois ( 3/2006 ) Link...
  • IC Clarke. "Materials Matter: Choosing What's Best for Your Patient.." The 1st Annual Advances in Hip & Knee Arthroplasty.. Rio Grande, Puerto Rico ( 1/2006 )
  • IC Clarke. "Machined vs. Molded vs. Highly-Crosslinked Polyethylene.." The 1st Annual Advances in Hip & Knee Arthroplasty.. Rio Grande, Puerto Rico ( 1/2006 )
  • R Tsukamoto, IC Clarke, H Shoji, M Ogino, K Yamada, T Asano, T Nakamura, G Pezzotti.. "Wear and Raman Spectroscopy Studies and Zirconia Knee Comparing 3.5-Mrad and 7-Mrad UHMWPE Inserts.." 18th International Symposium of Ceramics in Medicine, Biceramics 18.. Kyoto, Japan ( 12/2005 ) Link...
  • Donaldson T, Oh A, Nasseri K, Richardson H, Williams PA, Andrusak L, Kjellin IB, Clarke IC.. "Related Issues in Total Knee Replacement: Gender Differences and Pre-sizing Utilizing Magnetic Resonance Imaging.." 18th Annual Symposium International Soc Tech Arthroplasty.. Kyoto, Japan ( 9/2005 - 10/2005 ) Link...
  • Bowsher JG, Donaldson TK, Green DD, Clarke IC.. "'Severe' Wear Challenge to 36mm Crosslinked Polyethylene High Cups.." 18th Annual Symposium International Soc Tech Arthroplasty.. Kyoto, Japan ( 9/2005 - 10/2005 ) Link...
  • Tsukamoto R, Shoji H, Ogino M, Clarke IC.. "Improvement Wear Performance Polyethylene of Resin Type and Sterilization Method of Polyethylene Inserts in Knee Simulation.." 18th Annual Symposium International Soc Tech Arthroplasty.. Kyoto, Japan ( 9/2005 - 10/2005 ) Link...
  • IC Clarke, R Tsukamoto, G Pezzotti, M Ogino, H Shoji, T Asano anda T Nakamura.. "Zirconia Femoral Condyles Produced Ultra-low on 7-Mrad Tibial Inserts in Knee Simulation Study to 10 Million Cycles.." 18th Annual Symposium International Soc Tech Arthroplasty.. Kyoto, Japan ( 9/2005 - 10/2005 ) Link...
  • F Niiyama, IC Clarke, M Akagi, T Asano, M Kyomoto, T Nakamura and C Hamanishi. . "Cross-linking Effect of Tibial Polyethylene on Wear Performance and Mechanical Properties: A Study Using Knee Simulator and Small Punch T est.." 18th Annual Symposium International Soc Tech Arthroplasty.. Kyoto, Japan ( 9/2005 - 10/2005 ) Link...
  • Clarke IC. "A 35-year History of Ceramics in Orthopaedics.." 18th Annual Symposium International Soc Tech Arthroplasty.. Kyoto, Japan ( 9/2005 - 10/2005 ) Link...
  • G Pezzotti, IC Clarke, T Donaldson, CM Jobe. . "Raman Microprobe Spectroscopy of Ceramic and Polymeric Bearing Surface in Artifical Joints ." 18th Annual Symposium International Soc Tech Arthroplasty. Kyoto, Japan ( 9/2005 - 10/2005 ) Link...
  • PA Williams, IC Clarke, R Lakshminarayanan, A Khandkar, DD Green.. "The Wear Performance and Debris with Silicon-Nitride Bearings in a Simulator Model.." 18th Annual Symposium International Soc Tech Arthroplasty.. Kyoto, Japan ( 9/2005 - 10/2005 ) Link...
  • DD Green, TK Donaldson, PA Williams, G Pezzotti, IC Clarke.. "Ceramic-on-Ceramic Under Micro Separation Test Configuration for THR - a Study of Like-on-Like and Hybrid Combinations. ." 18th Annual Symposium International Soc Tech Arthroplasty. Kyoto, Japan ( 9/2005 - 10/2005 ) Link...
  • IC Clarke.. "Global Zirconia Ball Updates.." 7th Annual Total Hip and Knee Arthroplasty Course. Mammoth Lakes, Mammoth, California ( 9/2005 )
  • Clarke IC. "1. Hard on Hard Bearings, New Perspective 2. New Polyethylene and Osteolysis in the Hip." Advanced Total Hip and Knee Arthroplasty Surgical Symposium. Scripps University, La Jolla, California ( 5/2005 )
  • Clarke IC. "Alternate Bearings for Total Hip Joints Replacements Comparison of All-metal and All-Ceramic Bearing Options." International Conference on Wear of Materials. San Diego, California ( 4/2005 )
  • Donaldson TK & Clarke IC. "Surgeon's view of new THR technology: large diameter femoral balls with ceramic cups for my high-risk patients." 17th Annual Meeting of the International Society for Ceramics in Medicine (Bioceramics 17). New Orleans, Louisiana ( 12/2004 )
  • Clarke IC. "The Tribology of the Ceramic on Ceramic Articulation." 17th Annual Meeting of the International Society for Ceramics in Medicine (Bioceramics 17). New Orleans, Louisiana ( 12/2004 )
  • Clarke IC. "Assessment of Nano Wear Phenomena in Zirconia Hip and Joint Replacement." NanoScience Symposium 2004. Kyoto Institute of Technology, Kyoto, Japan ( 11/2004 )
  • Clarke IC. "1. Metal-Ceramic THR as an Alternate Bearing Choice 2. THR Simulator Wear, Debris Generation and Characterization 3. Ceramics: Basic Tribology and Material Properties." 7th Annual Alternative Bearing Symposium. Philadelphia, Pennsylvania ( 10/2004 )
  • Clarke IC, Green D, Tateiwa T, Williams PA and Donaldson T. "'Severe' Wear Simulation of the Strip-Scar Phenomenon Compared in Alumina-Alumina and Alumina-Composite Hip Implants ." 2004 ASME/STLE International Joint Tribology Conference. Long Beach, California ( 10/2004 )
  • Brown S, Clarke IC. "Lubrication Condition for Wear Simulation in Artificial Hip Replacements." 2004 ASME/STLE International Joint Tribology Conference. Long Beach, California ( 10/2004 )
  • Clarke IC. "1. The Debris Enigma 2. Value of Ceramics of Poly: Does it work? 3. Ceramic in Severe Testing Models." The 6th, Annual Total Hip and Knee Arthroplasty Course. Mammoth, California ( 9/2004 )
  • Clarke IC & Brown SS. "Zirconia phase Transformation from Mechanical Stresses." 17th Annual Symposium International Society Technology in Arthroplasty. Rome, Italy ( 9/2004 ) Link...