Dissertation Defense Announcement
Herff College of Engineering announces the Final Dissertation Defense of
for the Degree of Doctor of Philosophy
July 8, 2019 at 12:30 PM in Engineering Science Building ,Room 324
Advisor: Gladius Lewis
A Simulation-Enhanced Intraoperative Surgical Planning Tool for Robotic-Assisted Total Knee Arthroplasty
ABSTRACT: Proper alignment during joint reconstruction surgery is required to achieve successful patient outcomes. The advent of surgical robotic systems has provided today's surgeon a means to precisely implement a surgical treatment strategy; however, trialing and assessment of the patient's passive biomechanics remains the standard of care to determine implant size and position. Musculoskeletal modeling and simulation can be used to estimate the biomechanical performance of an implant in an active loading scenario, in which the influence of soft-tissue effects and gravity are characterized. The aim of this study was to demonstrate the feasibility of an intraoperative, simulation-based planning tool for total knee arthroplasty. Utilizing multibody dynamic modeling and response surface methodology, an implant positioning optimization technique was developed for deployment on an orthopedic surgical robotic system. The recommended positions and orientations of implant components were benchmarked against those achieved using a current-generation robotics-assisted surgical technique. Significant differences in implant component position and orientation could indicate that the simulation-optimized solution may have an effect on long-term implant performance and patient satisfaction.