| Project/Area Number |
21560107
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Materials/Mechanics of materials
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| Research Institution | Tokuyama College of Technology |
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Principal Investigator |
SAKURAMOTO Itsuo 徳山工業高等専門学校, 機械電気工学科, 教授 (70225853)
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| Research Collaborator |
ICHIHARA Kazuhiko 日本運動器バイオメカニクス研究所, 医師
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| Project Period (FY) |
2009 – 2011
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| Project Status |
Completed (Fiscal Year 2011)
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| Budget Amount *help |
¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Fiscal Year 2011: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2010: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2009: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
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| Keywords | 生体力学 / 生体材料 / 生物・生体工学 / 医療・福祉 |
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| Research Abstract |
In the present study, we made the original high speed tensile equipment(Maximum crosshead speed 1, 000mm/s), and investigated the mechanical properties of the pia mater(postero-lateral sulcus, posterior median septum, dentate ligament) andspinal parenchyma(gray matter, white matter), which are the important parts to analyze the stress distribution within the spinal cord. The results exhibit the characteristic nonlinear and viscoelastic stress-strain response, in which the stiffness of the material increases with strain and strain rate. Furthermore, the gray matter is stiffer but fails at a lower mechanical strain than the white matter at high strain rates.
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