betty and guy beatty center for integrated - Inova Health System

ORTHOPAEDIC RESEARCH
The Biomechanics Research Laborabory of the Department of Orthopaedics at Inova Fairfax
Hospital has four broad goals: 1) Foster biomechanical and clinical research among ortho
paedic surgeons and help them to solve complex clinical problems;; 2) Apply the principles of
mechanics and biology to understanding basic mechanisms related to the structure and func
tion of the musculoskeletal system;; 3) Design, analyze, and develop bone-implant and pros
thetic systems;; and 4) Educate residents in performing independent, high-quality research in
orthopaedic biomechanics.
The Biomechanics Research Laboratory is dedicated to the discovery and development of
biomechanical solutions for a broad array of clinical specialties, such as total joint replace
ment, orthopaedic trauma injuries, sports injuries, arthroscopic surgery, orthopaedic oncol
ogy, spine surgery, and pediatric orthopaedic surgery. The laboratory is equipped with stateof-the-art
equipment to investigate the failure mechanism of musculoskeletal-implant con
structs, help physicians to make best clinical decisions, and design new implants and surgi
cal methods.
Computer simulation is becoming a critical and valuable technique for helping orthopaedic
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tory is equipped with powerful computer workstations and advanced software for computer
simulation and analyses of complex musculoskeletal-implant constructs. The computer helps
physicians generate patient specific 3D geometric models based on CT/MRI images, perform
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and evaluate the potential for long term implant survival. With this state-of-the-art capability,
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analyzed by computer prior to undergoing actual surgery to provide the best possible out
come.
The Biomechanics Research program at Inova Fairfax Hospital finished two projects
in 2009:
�� Effect of Bone Quality on the Failure of Locked Plate Fixation of Proximal Humerus. Jihui
Li, Robert Hymes, Jeff Schulman, Mark Theiss. Funded by: Inova Faculty Research
Grant and Smith & Nephew Inc.
� Biomechanical Comparison of Two Types of Fixation of Ludloff Metatarsal Osteotomies:
Compresion Screws vs. Locking Plate. Steve Neufeld, Jihui Li Funded by: Merete Inc. and Synthes Inc.
They have recently received four funded projects:
�� Acoustic Emissions Testing for Occult Pediatric Fractures and Stress Fractures. Kathleen McHale, Juhui Li, Mark Theiss, Samuel Hawken, Funded by:
Inova Foundation.
�� The Development of VKASS: A Virtual Knee Anatomy and Surgery System. Jim Chen, Jihui Li, Mark Theiss, Craig Cheifetz, Funded by: George Mason-
Inova Research Fund.
�� Patient Specific 3-D Medical Modeling Can Improve Preoperative Surgical Planning of Complex Spinal Orthopedic Cases. Faisal Siddiqui, Jihui Li, Ali
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