Biomedical Engineering - Herff College of Engineering
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ATLANTIS VISION® Elite Anterior Cervical Plate Modification

Students: Daniel Schwartz, Hummad Tasneem, Daniel Woods

Cervical PlateDesign Outcome: We modified the approach angle for the fixation pin used in the ATLANTIS VISION® Elite (Medtronic Inc., Memphis, TN) cervical plate used in cervical spinal fusion so that the pin placement would not be obstructed by patient anatomy. The modified plate rotates the outer lock mechanisms approximately 15° per side towards the midline of the plate, allowing the surgeon to reduce the size of the patient surgical exposure site.

Why it matters: Approximately 150,000 cervical spinal fusions are performed each year in the U.S. A cervical plate provides support to the spinal column along with the insertion of an interbody or graft material during spinal cord fusion surgery.The design changes we proposed would decrease operation time and minimize the patient exposure site, while increasing the accuracy of plate placement and patient outcomes.                                                           

Next steps: The next steps would be to evaluate the possible reduction of the locking mechanism profile, continue verification work for FDA approval, and perform additional market research determining the most appropriate range of approach angles for different plate sizes.

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Dr. John Williams, professor in the Department of Biomedical Engineering, is working on the next generation of knee replacements being developed at the University of Memphis. More...

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Last Updated: 12/16/13