Utilizing Additive Manufacturing for Surgical Hernia Meshes to Obtain More Desirable Mechanical Properties
2020-05-01
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Utilizing Additive Manufacturing for Surgical Hernia Meshes to Obtain More Desirable Mechanical Properties
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2020-05-01
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This research investigated the mechanical properties of 3D modeled hernia meshes and compared them to traditional woven and knitted surgical hernia meshes. The ultimate tensile strength of the hernia meshes varied from 7.7 to 23.1 MPa depending on which direction and which geometrical design. The yield strength of the 3D modeled hernia meshes varied from 4.6 to 16.3 MPa. The stiffness varied from 190 to 770 N/mm. The breaking strain varied from
0.91%-6.0%. The tensile strength was very similar to the six common surgical hernia meshes and mostly showed superiority in strength. The stiffness and breaking strain were quite different in the study compared to the common surgical hernia meshes. The overall project objective was to conclude if this manufacturing technique is more effective and could be a viable option for other long-term implantable devices rather than just surgical meshes. The superiority in the strength of the 3D modeled meshes is promising but does not provide sufficient evidence if 3D printed meshes would be better than traditionally manufactured meshes. More research is needed, including in-person tensile testing and in-vivo proof of concepts.
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Mechanical Engineering in Swenson College of Science and Engineering
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University of Minnesota's Undergraduate Research Opportunities Program
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Glenna, Cole S. (2020). Utilizing Additive Manufacturing for Surgical Hernia Meshes to Obtain More Desirable Mechanical Properties. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/213035.
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