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The Design Of An Optimized Patient-Specific In Vivo Spinal Fusion Cage Using Additive Manufacturing, Gorman Donnelly
The Design Of An Optimized Patient-Specific In Vivo Spinal Fusion Cage Using Additive Manufacturing, Gorman Donnelly
Honors Theses
This project involved the design of an all-in-one patient-specific lumbar spinal fusion cage using Direct Metal Laser Sintering (DMLS) manufacturing. The cage is zero-profile and does not need the use of supplemental fixation. It was manufactured out of the titanium alloy Ti 6Al-4V using a DMLS rapid prototyping machine from a third party company. The endplates of the cage are patient-specific allowing for a larger surface contact area between the cage and the vertebral bodies than most cages on the market. This fosters a more successful fusion as well as decreases surgery time, effectively decreasing recovery time. Different porosity variations …