Student Work

Internal Splint For Fracture Fixation In Canines

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Intramedullary nails are used for fracture fixation in canines. They feature a nail fixed via screws in the medullary canal. The goal of this project was to redesign the system to promote accurate screw insertion, increased patient applicability, and reduced nail contact. The team developed a device featuring a K-wire, self-tapping screws, and countersunk holes for increased screw insertion, adjustable aiming guide for increase patient applicability, and a grooved titanium nail for increased biocompatibility and loading. Testing and analysis confirmed that 2mm 45 degree M3.5 countersunk holes provided a 300% tolerance increase over standard holes, and the titanium grooved nail design resulted in a 59% decrease in nail to bone contact area, failing at forces 18 times greater than bone.

  • This report represents the work of one or more WPI undergraduate students submitted to the faculty as evidence of completion of a degree requirement. WPI routinely publishes these reports on its website without editorial or peer review.
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  • E-project-042711-114137
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Year
  • 2011
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Date created
  • 2011-04-27
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