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Richard Peindl

Richard D. Peindl, PhD
Director, Orthopaedic Engineering Research Laboratory
Department of Orthopaedic Surgery

Prior Positions and Experience

1985-1992 Associate and Assistant Professor, Mechanical Engineering, University of North Carolina at Charlotte
1973-1975 Test Engineer, United Technologies Corp., Pratt and Whitney Division (E. Hartford, Conn.)
1971-1973 Manufacturing Engineer, Westinghouse Electric Corp., Large Rotating Apparatus Division (E. Pittsburgh, Pa.)

Education

PhD: 1984, The Ohio State University
MSc: 1977, The Ohio State University
BSc: 1971, Case Institute of Technology (Cleveland)

Basic Science and Applied Research in Orthopaedic Engineering

The role of the Orthopaedic Engineering Research Laboratory is threefold:  1) to perform biomechanical investigations that address surgical questions and have immediate clinical applications, 2) to engage in basic science research with the potential to significantly change the nature of future orthopedic interventions and 3) to engage and train orthopedic residents and fellows in the process of conducting research as part of their ongoing professional development.

Dr. Peindl has over 35 years of mechanical engineering experience working in both industrial and academic settings in the areas of manufacturing, product development, test engineering and research. Most of his efforts aimed at answering surgical questions with near-term clinical applications involve his previous training in experimental mechanics and biomechanics. The majority of these projects involve the evaluation of fracture fixation devices, joint replacement devices, joint reconstruction techniques or soft tissue attachment devices and/or techniques. These studies necessitate the use of a wide array of experimental instrumentation and techniques aimed at measuring stresses, strains, loads and deformations in implants, external fixation devices, surgical instruments and in hard and soft tissues. Studies are conducted using synthetic specimens, cadaveric specimens or animal models and may involve evaluation of initial structural stability or long-term performance of soft tissue-bone-implant constructs. Dr. Peindl’s background includes experience in photostress analysis (application of photoelastic coatings and stress freezing in photoelastic models), strain gage and brittle coatings analyses and joint motion analyses (kinematic and kinetics) using a variety of motion capture systems.

Over the last 10 years, Dr. Peindl’s laboratory has also been involved in basic science research involving the response of osteoblasts to simulated implant surfaces with varying surface topographies and the development of a new type of osmotic gradient bioreactor system for the growth of articular cartilage. These efforts have resulted in two awarded patents in the area of tissue culture and one patent pending with respect to the bioreactor system. Emerging areas of interest include research in computer-assisted and robotic-assisted surgery and utilization of joint motion analysis and dynamic posturography for quantitative evaluation of orthopedic-related disability and surgical outcomes assessment.

Recent Publications

Morgan RJ, Kuremsky MA, Peindl RD, Fleischli JE. A biomechanical comparison of two suture anchor configurations for the repair of type II SLAP lesions subjected to a peel-back mechanism of failure. Arthroscopy 2008; 24: 383-388.
 
Mauerhan DR, Peindl RD, Marshall A. Cementation of polyethylene liners into well-fixed metal shells at the time of revision total hip arthroplasty. J Arthroplasty 2008; in press. [Abstract]

Large TM, Peindl RD, Coley ER, Fleischli JE. A biomechanical comparison of 2 ulnar collateral ligament reconstruction techniques. Arthroscopy 2007; 23: 141-150. [PMID: 17276221]

Siffri PC, Peindl RD, Coley ER, Norton JH, Connor PM, Kellam JF. Biomechanical analysis of blade plate versus locking plate fixation for a proximal humerus fracture: comparison using cadaveric and synthetic humeri. J Orthop Trauma 2006; 20: 547-554. [PMID: 16990726]

Peindl RD, Zura RD, Vincent A, Coley ER, Bosse MJ, Sims SH. Unstable proximal extraarticular tibia fractures: a biomechanical evaluation of four methods of fixation.
J Orthop Trauma 2004; 18: 540-545. [PMID: 15475850]

Current, Recent, and Pending Grant Support

Grant Title: Biomechanical Comparison of five devices for hamstring tendon fixation for anterior cruciate ligament reconstruction on both the femoral and tibial sides in a cadaveric porcine model
Funding Agency: Winkler Foundation Grant
Role: Co-Investigator
Years: 2007-2008

Grant Title: A lower extremity kinematic and kinetic analysis of stair ascent and descent in osteoarthritic knees
Funding Agency: Winkler Foundation Grant
Role: Co-Principal Investigator
Years: 2007-2008

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