Design of a Sternal Fixation Device and Bicortical Bone Model
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open in viewerFailure to properly close the sternum after a sternotomy can lead to complications. Current sternal fixation devices, including screw and plate systems, reduce the risk of complications but are unable to provide a flush fit with the sternum and prevent screw loosening. The first goal of this study was to optimize a screw and plate system that addresses this issue. The system utilizes a lag-lock mechanism that permits locking of the screw after the plate is flush fit with the bone. The second goal was to design and characterize a sternal model to mimic the mechanical properties of bone. It was characterized using axial and lateral pullout tests and compared to a standard bone model. In testing, the custom model performed similar to how bone is expected to, making it a better sternal model.
- 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.
- Creator
- Colaboradores
- Publisher
- Identifier
- E-project-042313-125424
- Advisor
- Year
- 2013
- Sponsor
- Date created
- 2013-04-23
- Resource type
- Major
- Rights statement
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