A common problem in the elaboration of biomechanical models is determining the properties and characteristics (measures) of the physical behavior of in vivo tissues in the human body. Correct estimates must be made of the tissue's physical properties and its surroundings. We suggest a method to compute the constitutive modeling of venous tissue, for every specific patient, from clinically registered ultrasounds images. The vein is modeled as a hyperelastic, incompressible, thin-walled cylinder and the membrane stresses are computed using strain energy. The approach is based on a strain-energy function suggested by Holzapfel capturing the characteristic nonlinear anisotropic responses of femoral veins with its collagen fibers.
Calculation of Human Femoral Vein Wall Parameters In Vivo From Clinical Data for Specific Patient
Sant Joan University Hospital,
Contributed by the Bioengineering Division of ASME for publication in the JOURNAL OF BIOMECHANICAL ENGINEERING. Manuscript received June 15, 2011; final manuscript received October 3, 2012; accepted manuscript posted October 25, 2012; published online November 27, 2012. Assoc. Editor: Naomi Chesler.
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Herrera, B., Fortuny, G., and Marimón, F. (November 27, 2012). "Calculation of Human Femoral Vein Wall Parameters In Vivo From Clinical Data for Specific Patient." ASME. J Biomech Eng. December 2012; 134(12): 124501. https://doi.org/10.1115/1.4007948
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