Dr. Villarraga specializes in spine biomechanics and in failure analysis of medical devices. She has experience with orthopedic, spinal, reconstructive surgery, and diagnostic medical devices from product liability, intellectual property, regulatory compliance, postmarketing surveillance, and product development perspectives. Dr. Villarraga also has experience in evaluating quality control issues as applied to medical devices and pharmaceuticals, with an emphasis in contamination, manufacturing compliance, and finished device evaluations. Dr. Villarraga has extensive experience with root cause analysis investigations and compliance issues related to medical device recalls. She has served as an expert witness in product liability and intellectual property cases involving medical devices.
Dr. Villarraga’s research experience and interests include implant and tissue retrieval analysis, use of animal models for evaluating orthopedic device performance, and the use of experimental and finite element stress analysis techniques to characterize the mechanical behavior of bone, other biological structures, and orthopedic implant devices.
Dr. Villarraga has been a reviewer for the Journal of Biomechanical Engineering, Clinical Orthopedics and Related Research, Clinical Biomechanics, Clinical Neurology and Neurosurgery, and Journal of Biomedical Materials Research.