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Faculty Member

Elizabeth A. Friis

Associate Professor

About Elizabeth A. Friis

  • Associate Professor
  • (Ph. D., Wichita State University)
  • Office: 3134 Learned Hall
  • Phone: (785) 864-2104
  • lfriis@ku.edu
  • Biomaterials, Biomedical Product Design and Testing

Career History

  • 2001-present, Assistant Professor, Mechanical Engineering, University of Kansas
  • 1997 - 2001, Research Scientist, Orthopaedic Research Institute, Inc., Wichita, KS.
  • 1987 - 1996, Research Group Leader, Orthopaedic Research Institute, Inc., Wichita, KS.
  • 1993 - 2001, Research Instructor, University of Kansas School of Medicine-Wichita, Dept. of Surgery, Section of Orthopaedics, Wichita, KS.
  • 1996 – 2000, Academic Appointment, Mechanical and Aerospace Engineering Dept., Wichita State University, Wichita, KS.
  • 1995 - 1996, Adjunct Assistant Professor - Aerospace Engineering Dept., Wichita State University, Wichita, KS.

Education

  • Ph.D., Mechanical Engineering, December 1994, Wichita State University, Wichita, KS.
  • M.S., Mechanical Engineering, May 1987, The University of Iowa, Iowa City, IA
  • B.S., Biomedical Engineering with Distinction, May 1985, The University of Iowa, August 1983 to May 1985. St. Ambrose University, Davenport, IA, August 1981 to May 1983.

Professional Organizations

  • Orthopaedic Research Society (ORS), 1990 - present
  • Society For Biomaterials (SFB), 1991 – present; Secretary/Treasurer of Orthopaedic Biomaterials SIG, 2000
  • American Society of Biomechanics (ASB), 1989 - present
  • Society of Women Engineers (SWE), 1994 – present

Honors and Awards

  • The National Dean's List, 1985.
  • Who's Who in America's Colleges and Universities, 1985 & 1994.
  • Full Tuition Dean's Scholarship, 1983-1987.
  • Tom Dimond Scholarship, 1985.
  • University of Iowa Engineering Alumni Scholarship, 1983.
  • Tau Beta Pi (Engineering Honor Society), 1985.
  • Alpha Chi (Junior Honor Society), 1983.
  • Phi Eta Sigma (Freshman Honor Society), 1982.
  • Outstanding Freshman in Chemistry, 1982.
  • Presidential Advising Committee, St. Ambrose Univ., Academic Advisor, 1982-1983.
  • Session Moderator, "Vascular Grafts, Society for Biomaterials meeting, 05/02/93
  • Session Moderator, “Novel Bone Cements, Society for Biomaterials meeting, 05/20/2000

Community Service

  • Literacy Volunteers tutor; 1987-90
  • Volleyball Coach, 5th/6th grades, 1989–91
  • Religious education teacher, 5th (1991-93) and 8th grades (1996-98)
  • Society of Women Engineers, Engineering Expo Biomedical Engineering Booth Leader, 1999-2001
  • North High School Biomedical Program Advisory Board Member, 1995-present
  • University of Kansas School of Medicine-Wichita Research Committee Member, 1995-present
  • Via Christi Regional Medical Center Professional Library Committee Member, 1996-present

Reviewer Activities

  • Grant Proposal Reviewer, Biomechanics and Technology Study Section, National Arthritis Foundation, 1999 – 2002
  • Abstract Reviewer, Society For Biomaterials, 1998 - 2000
  • Ad Hoc Reviewer, Journal of Biomechanical Engineering, 1999
  • Ad Hoc Reviewer, Journal of Occupational and Environmental Medicine, 1998
  • Ad Hoc Reviewer, ASTM STP: Composite Materials: Testing and Design (10th), [one article of STP], 1990

Patents

  • "Surgical Implants Incorporating Re-entrant Material", EA Friis, Patent #5,035,713, issued July 30, 1991.
  • “Mechanical Analogue Spine”, EA Friis, CD Pence, CD Graber, JA Montoya, in preparation, anticipated file date August 2001.

Publications

Books:

  • A Primer of Biomechanics. Authors: GL Lucas, FW Cooke and EA Friis. Springer-Verlag, New York, NY, 1999. ISBN 0-387-98456-9.

Various Publications:

  • Banwart JC, McQueen DA, Friis EA, Graber CD: “Negative pressure intrusion cementing technique for total knee arthroplasty”, Journal of Arthroplasty, 15(3):360-7, 2000.
  • Friis EA, Cooke FW, Kumar B, Graber CD, McQueen DA: “Effect of Fiber Length and Loading on Mixing Behavior and Fracture and Fatigue Resistance of Composite PMMA Bone Cement”, Conditionally accepted pending revisions by the Journal of Biomedical Materials Research.
  • Hansen CL, McQueen DA, Friis EA, Heilmann C, Cooke FW, Graber CD, Widenhouse CW: “Porosity of Neat and Composite Bone Cement Mantles”, in preparation, Conditionally accepted by the Journal of Arthroplasty in June 2001.
  • Ryan RM, Friis EA: “Experimental Results: Characteristics of Metallic Reentrant Structures,” in preparation, anticipated submission to the Journal of Materials Science in August 2001.
  • Kumar B, Cooke FW, Friis EA, Horn WJ: “Effect of Fiber Reinforcement on the Fatigue Life of Acrylic Bone Cement: A Statistical Study”, in preparation, anticipated submission to the Journal of Biomedical Materials Research in September 2001.
  • Friis EA: "Novel Foams for Biomedical Applications" MS Thesis, University of Iowa, Department of Mechanical Engineering, May 1987.
  • Friis EA, Lakes RS, Park JB: "Negative Poisson's Ratio Polymeric and Metallic Foams", Journal of Materials Science, 23:4406-14, 1988.
  • Williams RP, Friis EA, Cooke FW, McQueen DA, Toohey JS: "External Fixation of Unstable Malgaigne Fractures: The Comparative Mechanical Performance of a New Configuration", Orthopaedic Review, 21(12):1423-30, 1992.
  • Vanderpool HE, Friis EA, Smith BS, Harms KL: "Prevalence of Carpal Tunnel Syndrome and Other Work-Related Musculoskeletal Problems in Cardiac Sonographers", Journal of Occupational Medicine. 35(6):604-610, 1993.
  • Friis EA, Cooke FW, McQueen DA, Henning CE: "Effect of Bone Block Removal and Patellar Prosthesis on Stresses in the Human Patella," American Journal of Sports Medicine, 22(5):696-701, 1994.
  • Friis EA: "Toughening Mechanisms of Polymethyl Methacrylate Bone Cement", PhD Dissertation, Wichita State University, Department of Mechanical Engineering, December 1994.
  • Friis EA, Hahn DL, Cooke FW, Hooper SJ: “Modeling Crack Extension in Chopped Fiber Composites,” ASTM STP 1285: Composites Materials: Fatigue and Fracture, Sixth Volume, ASTM , West Conshohocken, PA, pp. 364-378, 1997.

Presentations - Peer Reviewed:

  • Banwart JC, McQueen DA, Friis EA, Graber CD: “Negative Pressure Intrusion (NPI) Cementing Technique for Total Knee Arthroplasty”, American Academy of Orthopaedic Surgeons, New Orleans, May 18, 1998. Scientific poster presentation.
  • Friis EA, Cooke FW, Kumar B, Graber CD, Blake DJ, McQueen DA: “Effect of Fiber Length and Loading on Mixing Behavior and Fatigue Resistance of PMMA Composite Bone Cement”, Transactions of the 45st Annual Orthopaedic Research Society Meeting, p. 181, Anaheim, CA, February 3, 1999.
  • Friis EA, Cooke FW, Kumar B, Graber CD, Blake DJ, McQueen DA: “Fatigue Resistance and Clinical Potential of Fiber Reinforced Bone Cement”, Trans 25rd Annual Society Annual Society For Biomaterials, p. 94, Providence, RI, April 28 - May 2, 1999.
  • Cooke FW, Friis EA, Kumar B, Graber CD, Blake DJ, McQueen DA: “Endurance Limit and Fatigue Strength of PMMA Bone Cements”, Trans 25rd Annual Society Annual Society For Biomaterials, p. 97, Providence, RI, April 28 - May 2, 1999.
  • Kumar B, Friis EA, Cooke FW, Graber CD, Blake DJ, McQueen DA: “Effect of Fiber Type and Treatment on Fatigue Resistance and Endurance Limit of PMMA Composite Bone Cement”, Trans 25rd Annual Society Annual Society For Biomaterials, p. 98, Providence, RI, April 28 - May 2, 1999.
  • Kumar B, Cooke FW, Friis EA, Horn WJ, McQueen DA: “The Use of Weibull Statistics to Generate High Reliability S-N Curves which Quantify the Improvement in Fatigue Resistance of Bone Cement due to Composite Reinforcement”, Trans 26th Annual Society For Biomaterials, p. 415, Kamuela, HI, May 15-20, 2000.
  • Cooke FW, Friis EA, Kumar B, Graber CD, McQueen DA: “The Influence of Long Term Simulated Physiological Aging on the Fatigue Resistance of Neat and Composite Bone Cements”, Trans 26th Annual Society For Biomaterials, p. 538, Kamuela, HI, May 15-20, 2000.
  • Friis EA, Hafner D, Roth CA, McQueen DA: “Analysis of a Novel Metal-on-Metal Acetabular Component for THA”, Trans 26th Annual Society For Biomaterials, p. 556, Kamuela, HI, May 15-20, 2000.
  • Dressler M, Topoleski LDT, Friis EA, Cooke FW, Que L: “Do Third Body Particles of Fiber Reinforced PMMA Bone Cement Increase Wear of CoCrMo and UHMWPE?”, Trans 26th Annual Society For Biomaterials, p. 484, Kamuela, HI, May 15-20, 2000.
  • Cooke FW, Kumar B, Friis EA, Graber CD, McQueen DA, Blake DJ: “The Microtopography of Fatigue and Tensile Fracture Surfaces in PMMA Bone Cements: The Effect of Fiber Reinforcement”, Trans 26th Annual Society For Biomaterials, p. 1479, Kamuela, HI, May 15-20, 2000.
  • Friis EA, Cooke FW, Kumar B, Graber CD, McQueen DA: “Effect of Specimen Fabrication Technique on Fatigue Resistance of PMMA Bone Cement”, Trans 26th Annual Society For Biomaterials, p. 1461, Kamuela, HI, May 15-20, 2000.
  • Friis EA, Pence CD, Montoya JA, Graber CD, Brown SB: “Pedicle Strains During Distraction: Effect of Construct Configuration”, Trans 47th Annual Meeting of the Orthopaedic Research Society, p 907, San Francisco, February 25-29, 2001.
  • Friis EA, Pence CD, Montoya JA, Graber CD: Mechanical Analogue Model of the Human Lumbar Spine: Development and Initial Evaluation. Trans 27th Annual Meeting of the Society For Biomaterials, St. Paul, MN, April 25-29, 2001.
  • Hansen CL, McQueen DA, Friis EA, Heilmann, Pizzola J, Cooke FW, Graber CD, Widenhouse CW: “Quality of Neat and Composite Bone Cement Mantles”, Trans 27th Annual Meeting of the Society For Biomaterials, St. Paul, MN, April 25-29, 2001.
  • Friis EA, Cooke FW, McQueen DA, Graber CD, Czuwala PJ: Does Molding Medium Affect Cement Porosity and Properties? Trans 27th Annual Meeting of the Society For Biomaterials, St. Paul, MN, April 25-29, 2001.
  • Friis EA, Pence CD, Graber CD, Montoya JA: Mechanical Analogue Model of the Human Lumbar Spine:
  • Development and Initial Evaluation. Accepted for presentation at the Symposium “Spinal Implants: Are We Evaluating Them Appropriately?”, sponsored by ASTM Committee F04 on Medical and Surgical Materials and Devices and the AAOS Committee on Biomedical Engineering, Dallas, TX, Nov. 6-7, 2001.
  • Friis, E.A., Park, J.B., and Lakes, R.S., "Materials with negative Poisson's ratios: dependence of properties on structure", American Society for Composites Third Technical Conference on Composite Materials, p. 527-533, Seattle, 28 Sept. 1988.
  • Lakes, R.S., Friis, E.A., and Park, J.B. "Mechanics of foam materials with negative Poisson's ratios", ASME Winter Annual Meeting, Chicago, IL, 1 Dec. 1988, in Recent Advances in the Macro- and Micro-Mechanics of Composite Materials Structures, ed. D. Hui, J.R. Vinson, AD-Vol.13, p.233-234.
  • Friis EA, Park JB, Lakes RS: "Mechanics of Foam Materials with a Negative Poisson's Ratio", Proc. ASME Conference, Chicago, Oct. 1988.
  • Lakes RS, Park JB, Friis EA: "Materials with Negative Poisson's Ratios: Dependence of Properties on Structure", Proc. American Society for Composites, 3rd Technical Conference, Seattle, Sept. 1988.
  • Samani DL, Friis EA, Cooke FW, Henning CE: "The Effect of Bone Block Shape on Patellar Stresses in ACL Reconstruction", Transactions of the 35th Annual Orthopaedic Research Society, Feb. 1989.
  • Den Hartog BD, Bartal E, Cooke FW, Plaster RL, McQueen DA, Friis EA, Badwey T: "Effect of Screw Placement, Angle of Insertion, and Osteotomy in Fracture of the Unstable Intertrochanteric Fracture", American Academy of Orthopaedic Surgeons, 56th Annual Meeting, Feb. 1989.
  • Friis EA, Cooke FW, Henning CE, Samani DL: "Effect of Bone Block Shape on Patellar Stresses in ACL Reconstruction: An Evaluation Using SPATE", Transactions of the 15th Annual Society for Biomaterials, April 1989.
  • Williams RP, Friis EA, Cooke FW, McQueen DA, Toohey JS: "External Fixation of Unstable Malgaigne Fractures: The Comparative Mechanical Performance of a New Configuration", Trans 13th International Conference on Hoffman External Fixation, Mayo Clinic, May, 1989.
  • Friis EA, Williams RP, Cooke FW, McQueen DA, Toohey JS: "External Pelvic Fixation: Evaluation of a New Frame Design", Transactions of the 13th Annual Society of Biomechanics, August, 1989.
  • Friis EA, Cooke FW, Hahn DL, McQueen DA, Henning CE: "Effect of Bone Block Removal on Patellar Stresses: A Finite Element Analysis", Transactions of the 14th American Society of Biomechanics Meeting, November, 1990.
  • Friis EA, Cooke FW, McQueen DA, Henning CE: "FEM Analysis of Patellar Surface Stresses: Effect of Patellar Prosthesis and Bone Block Removal", Transactions of the 37th Annual Orthopaedic Research Society Meeting, March 4-7, 1991.
  • Friis EA, Cooke FW, and Hooper SJ: "A Finite Element Analysis of the Effect of Poisson's Ratio of the Coating on Interface Conditions in Porous Coated Hip Endoprostheses", Transactions of the 15th Annual American Society of Biomechanics, Tempe, AZ, October 16-18, 1991.
  • Friis EA, Cooke FW, McQueen DA, Henning CE: "Thermoelastic Stress Analysis of the Human Patella: Effect of Bone Block Removal and Patellar Prosthesis", Trans. of NACOB II, The Second North American Congress on Biomechanics, Chicago, August 24-28, 1992.
  • Friis EA, Cooke FW, McQueen DA, Henning CE: "Effect of Bone Block Removal and Patellar Prosthesis on Patellar Stresses," UKSM 2nd Annual Research Forum, Wichita, Oct. 8, 1992.
  • Friis EA, Stromberg LJ, Cooke FW, McQueen DA: "Effect of Vacuum Mixing on Fracture Toughness of PMMA Bone Cement," UKSM 2nd Annual Research Forum, Wichita, Oct. 8, 1992.
  • Friis EA, Stromberg LJ, Cooke FW, McQueen DA: "Fracture Toughness of Vacuum Mixed PMMA Bone Cement," Trans of the 19th Annual Society for Biomaterials, Birmingham, AL, April 28 - May 2, 1993.
  • Friis EA, McQueen DA, Cooke FW, Henning CE: "Effect of Bone Block Removal and Patellar Prosthesis on Patellar Stresses," Trans Société Internationale de Chirurgie Orthopédique et de Traumatologie (SICOT), Seoul, Korea, August 28 - September 3, 1993.
  • Friis EA, McQueen DA, Cooke FW, Henning CE: "Thermoelastic Stress Analysis of the Human Patella," Trans Société Internationale de Recherche Orthopédique et de Traumatologie (SIROT), Seoul, Korea, August 27 - 30, 1993.
  • Stromberg LJ, Friis EA, Cooke FW, McQueen DA: "Fracture Toughness of Vacuum Mixed PMMA Bone Cement," Trans Société Internationale de Recherche Orthopédique et de Traumatologie (SIROT), Seoul, Korea, August 27 - 30, 1993.
  • Hahn DL, Friis EA: The Effect of Realistic Coating Properties on Interfacial Stress in Porous Coated Hip Endoprostheses. UKSM 3rd Annual Research Forum, October 1993.
  • Friis EA and Hahn DL: "The Effect of Realistic Coating Properties on Interfacial Stresses in Porous Coated Hip Endoprostheses", Trans 17th Annual Meeting of the American Society of Biomechanics, Iowa City, IA, October 21-23, 1993.
  • Friis EA, Hahn DL and Cooke FW: “The Effect of Implant Porous Coating Poisson Ratio and Stiffness on Bone-Coating Interface Stresses in an idealized Hip Prosthesis”, Transactions of the 40th Annual Orthopaedic Research Society Meeting, February 21-24, 1994.
  • Friis EA, Hahn DL and Cooke FW: "The Effect of Realistic Coating Properties on Interfacial Stresses in Porous Coated Hip Endoprostheses", Watkins Life Science Conference, Wichita State University, April 15 - 16, 1994.
  • Friis EA, Stromberg LJ, Cooke FW, McQueen DA: “Effect of Vacuum Mixing on Fracture Toughness of PMMA Bone Cement”, Watkins Life Science Conference, Wichita State University, April 15-16, 1994.
  • Friis EA, Cooke FW, McQueen DA: “Toughening of PMMA Bone Cement by Addition of Flexible Fibers,” UKSM-W 4th Annual Research Forum, Wichita, Oct. 15, 1994.
  • Friis EA, Hahn DL, Cooke FW: “Crack Extension in Composite Bone Cement,” UKSM-W 4th Annual Research Forum, Wichita, Oct. 15, 1994.
  • Friis EA, Cooke FW, McQueen DA: “Toughening of PMMA Bone Cement by Addition of Flexible Fibers,” Transactions of the 41st Annual Orthopaedic Research Society Meeting, p. 141, February 13-17, 1995.
  • Friis EA, Cooke FW, McQueen DA: “Toughening of PMMA Bone Cement by Addition of Flexible Fibers With Varying Interface Strengths,” Transaction of the 21st Annual Society for Biomaterials, p. 95, San Francisco, CA, March 18-22, 1995.
  • Friis EA, Hahn DL, Cooke FW: “A New Method of Modeling Crack Extension In Composite Bone Cement”, Transaction of the 21st Annual Society for Biomaterials, p. 96, San Francisco, CA, March 18-22, 1995.
  • Friis EA, Hahn DL, Cooke FW, Hooper SJ: “Modeling Crack Extension in Chopped Fiber Composites,” ASTM Sixth Symposium on Composites: Fatigue and Fracture, May 16-18, 1995.
  • Friis EA, Kumar B, Cooke FW, Yasuda HK: “The Effect of Treated PET Fiber Additions on the Fracture Toughness of Composite Bone Cement,” Transactions of the Fifth World Biomaterials Congress, Vol. 2, p. 348, Toronto, Canada, May 29 - June 2, 1996.
  • Friis EA, Kumar B, Cooke FW, Yasuda HK: “Fracture Toughness of Surface Treated Carbon Fiber Reinforced Composite Bone Cement,” Transactions of the Fifth World Biomaterials Congress, Vol. 1, p. 913, Toronto, Canada, May 29 - June 2, 1996.
  • McQueen DA, Friis EA, Kumar B, Cooke FW, Yasuda HK: “The Effect of Treated PET Fiber Additions on the Fracture Toughness of Bone Cement,” Trans Société Internationale de Recherche Orthopédique et de Traumatologie (SIROT), Amsterdam, The Netherlands, August 16 - 19, 1996, p 109.
  • Banwart JC, McQueen DA, Friis EA, Graber CD: “Negative Pressure Intrusion (NPI) Cementing Technique for Total Knee Arthroplasty,” Trans Société Internationale de Chirurgie Orthopédique et de Traumatologie (SICOT), Amsterdam, The Netherlands, August 19 - 23, 1996, p 713.
  • Banwart JC, McQueen DA, Friis EA, Graber CD: “Negative Pressure Intrusion (NPI) Cementing Technique for Total Knee Arthroplasty”, UKSM-W 6th Annual Research Forum, Wichita, Oct. 10, 1996.
  • Banwart JC, McQueen DA, Friis EA, Graber CD: “Negative Pressure Intrusion (NPI) Cementing Technique for Total Knee Arthroplasty”, 15th Annual Meeting of the Mid-America Orthopaedic Association, Hilton Head Island, SC, April 23-27, 1997.
  • Friis EA, Kumar B, Cooke FW, Graber CD: “Machined vs Molded Notches in Composite PMMA Bone Cement Fracture Toughness Specimens”, Transactions of the 23rd Annual Society for Biomaterials, p. 268, New Orleans, LA, April 30 - May 4, 1997.
  • Friis EA, Cooke FW, Graber CD, Kumar B, McQueen DA: “Effect of Fiber Length on Fracture Toughness and Handling Characteristics of PET Composite Bone Cement”, Transactions of the 23rd Annual Society for Biomaterials, p. 410, New Orleans, LA, April 30 - May 4, 1997.

Presentations - Invited:

  • Friis EA: "Novel Foams for Biomedical Applications", Invited Presentation, Univ. of KS, Dept. of Physical Therapy. October, 1987.
  • Friis EA: "Materials Science Engineering Application: Fixation of Orthopaedic Implants", Invited Presentation, The Wichita State University, Dept. of Mechanical Engineering, December, 1990
  • Friis EA: "Orthopaedic Implant Fixation: Past and Present Concepts", Invited Presentation, The University of Iowa, Dept. of Biomedical Engineering, September, 1991.
  • Friis EA: "Basic Concepts of Orthopaedic Implant Design and Fixation", Invited Presentation, ASME Wichita Chapter, December, 1991.
  • Friis EA: "Failure of PMMA", Invited Presentation, “Perspectives in Total Joint Arthroplasty”, First Annual CME conference, Flint Oak Ranch, Fall River, Kansas, October 15, 1993.
  • Friis EA: "Patellar Failures in TKA", Invited Presentation, “Perspectives in Total Joint Arthroplasty”, First Annual CME conference, Flint Oak Ranch, Fall River, Kansas, October 15, 1993.
  • Friis EA: “Failure Mechanisms of PMMA Bone Cement”, Invited Presentation, “Reconstructive Surgery of the Hip and Knee” CME conference hosted by the University of Colorado School of Medicine at Steamboat Springs, Colorado on January 24, 1994.
  • Friis EA: “Cementless Interface Mechanics”, Invited Presentation, “Reconstructive Surgery of the Hip and Knee” CME conference hosted by the University of Colorado School of Medicine at Steamboat Springs, Colorado on January 24, 1994.
  • Friis EA: “Orthopaedic Composite Materials Failures”, Invited Presentation, “Reconstructive Surgery of the Hip and Knee” CME conference hosted by the University of Colorado School of Medicine at Steamboat Springs, Colorado on January 25, 1994.
  • Friis EA: “Enhancement of Bone Cement”, Invited Presentation, “Perspectives in Total Joint Arthroplasty”, Second Annual CME conference, Flint Oak Ranch, Fall River, Kansas, Oct. 7, 1994.
  • Friis EA: “All in a Day’s Work”, Invited Presentation, The University of Iowa, Dept. of Biomedical Engineering Undergraduate and Graduate Seminar, April 20, 1995.
  • Friis EA: “Advances in Bone Cement”, Invited Presentation, “Perspectives in Total Joint Arthroplasty”, Third Annual CME conference, Flint Oak Ranch, Fall River, Kansas, Oct. 6, 1995.
  • Friis EA: “Basic Science of PMMA Bone Cement”, Grand Rounds, Department of Orthopaedics, University of Colorado Health Sciences Center, January 3, 1996, Denver, CO.
  • Friis EA: “Cementing Techniques in TKA”, Invited Presentation, “Perspectives in Total Joint Arthroplasty”, Fourth Annual CME conference, Flint Oak Ranch, Fall River, Kansas, Oct. 4, 1996.
  • Friis EA: “Bone Cement Basics and Beyond”, Invited Presenation, AORN (Association of Operating Room Nurses) of Wichita 1996 Fall Workshop, Wichita, Kansas, October 26, 1996.
  • Friis EA: “Composite Materials Research at ORI”, Invited Presentation, University of Kaiserslautern, Institute for Composite Materials, Kaiserslautern, Germany, August 16, 1997.
  • Friis EA: “Comparison of Bearing Surface Materials in Total Hip Arthroplasty”, Invited Presentation, “Perspectives in Total Joint Arthroplasty”, Fifth Annual CME conference, Flint Oak Ranch, Fall River, Kansas, October 3, 1997.

Presentations - Invited:

  • Friis EA: “Prosthesis Engineering”, Invited Presentation, Fall 1998 Midwest Regional Conference of the Society of Women Engineers, Wichita, KS, October 3, 1998.
  • Friis EA: “Quality of the Cement Mantle in Total Hip Arthroplasty”, Invited Presentation, “Perspectives in Total Joint Arthroplasty”, Seventh Annual CME conference, Flint Oak Ranch, Fall River, Kansas, October 8, 1999.
  • Friis EA: “Working with Physicians on Biomedical Research”, Invited Presentation, The University of Iowa, Dept. of Biomedical Engineering Graduate Seminar, March 23, 2000.
  • Friis EA: “The Reentrant Structure: Structural Materials with a Negative Poisson’s Ratio”, Invited Presentation, Materials Forum Group, Medtronic, Minneapolis, MN, August 14, 2000.