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The elastic properties of a polyurethane arterial prosthesis

Tipo de material: TextoTextoSeries ; Journal of Biomechanics, 17(8), p.597-608, 1984Trabajos contenidos:
  • How, T.V
  • Clarke, R.M
Recursos en línea: Resumen: The relationship between the mechanical properties ofa fibrous polyurethane arterial prosthesis and the graft manufacturing process variables was studied from uniaxial tensile tests. A non-linear model was used tocharacterize thecylindrical elastic properties. Experiments on cylindrical segments werecarried out to determine the constttutive constants and to assess the applicability of the model to the polyurethane graft. The compliance of 4 mm internal diameter grafts with various wall-thicknesses was predicted. The results were used to produce grafts with compliance matched to that of the carotid and femoral arteries.
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The relationship between the mechanical properties ofa fibrous polyurethane arterial prosthesis and the graft manufacturing process variables was studied from uniaxial tensile tests. A non-linear model was used tocharacterize thecylindrical elastic properties. Experiments on cylindrical segments werecarried out to determine the constttutive constants and to assess the applicability of the model to the polyurethane graft. The compliance of 4 mm internal diameter grafts with various wall-thicknesses was predicted. The results were used to produce grafts with compliance matched to that of the carotid and femoral arteries.

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