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Viscoelastic properties of tissue mimicking phantoms for ultrasound elastograpghy
Kishore Sathish Kumar, V. Jayashankar, , Maneesha Esther Andrews,
Published in
2009
Pages: 1510 - 1513
Abstract
Most biological soft tissues exhibit viscous behavior in addition to their well known elastic properties. Polyacrylamide gel based tissue mimicking phantoms have been developed. The viscoelastic properties of these phantoms were measured by subjecting the samples to cyclic loading. Samples prepared with varying concentration of monomer were considered so as to cover the normal and pathological lesions. Results obtained in the measurement are fit to three models - Maxwell, Kelvin-Voigt (KV) and Kelvin-Voigt Fractional derivative (KVFD) models, in order to determine the best fitting model. KVFD model is found to be best fitting model for the experimental data obtained. © 2009 IEEE.
About the journal
Journal2009 IEEE Intrumentation and Measurement Technology Conference, I2MTC 2009
Open AccessNo
Concepts (19)
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    BIOLOGICAL SOFT TISSUE
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    Concentration of
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    CYCLIC LOADINGS
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    Elastic properties
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    ELASTOGRAPHY
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    Experimental data
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    FITTING MODEL
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    KELVIN-VOIGT
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    KELVIN-VOIGT FRACTIONAL DERIVATIVES
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    LOSS MODULI
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    POLYACRYLAMIDE GELS
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    STORAGE MODULI
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    Three models
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    TISSUE MIMICKING PHANTOM
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    Viscoelastic properties
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    Elastic moduli
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    Measurement theory
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    Viscoelasticity
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    Tissue