DETERMINATION OF AN OPTIMUM ELASTIC MODEL FOR BIOMECHANICAL BEHAVIOR OF BRAIN TISSUE

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FARMANZAD F.; NAJARIAN S.; ISLAMI M.R.; SEDIGHI AMIR SAEID

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Paper Information

Journal: AMIRKABIR Year:2007 | Volume:17 | Issue:65-A (TOPICS IN: GROUPS OF ENGINEERING, BIOMEDICAL AND ELECTRONIC) Page(s): 1-9

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Title

DETERMINATION OF AN OPTIMUM ELASTIC MODEL FOR BIOMECHANICAL BEHAVIOR OF BRAIN TISSUE

Author(s)

FARMANZAD F. | NAJARIAN S. | ISLAMI M.R. | SEDIGHI AMIR SAEID

Keywords

BRAIN TISSUE

BIOMECHANICAL MODELING

INTRA-VENTRICULAR PRESSURE

EPIDURAL HEMATOMA

FEM

Abstract

To obtain a suitable model describing the biomechanical behavior of the BRAIN TISSUE, particularly for the deformation and displacement of the ventricles, an optimum value for the Young's modulus was computed. We considered a number of models and varied the biomechanical parameters in an EPIDURAL HEMATOMA. A clinical scan of a patient was obtained and with the assumption of plane elastic strain, the system was modeled. By changing the mechanical parameters of the tissue (E and n) and increasing the ventricular pressure, the displacement of the corresponding points in the modeled and the actual system was compared. Finally, the values with the least errors were computed. The optimum results were with E=11-12 kPa and DP=7.5-9.4 mmHg, and were quite consistent with the patient's clinical conditions. Plane strain modeling in one-directional strain loading (similar to navigation systems in surgeries) and without considering the geometry and the pressure variation in the atria led to unacceptable results.

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APA: Copy

FARMANZAD, F., NAJARIAN, S., ISLAMI, M.R., & SEDIGHI, AMIR SAEID. (2007). DETERMINATION OF AN OPTIMUM ELASTIC MODEL FOR BIOMECHANICAL BEHAVIOR OF BRAIN TISSUE. AMIRKABIR, 17(65-A (TOPICS IN: GROUPS OF ENGINEERING, BIOMEDICAL AND ELECTRONIC)), 1-9. SID. https://sid.ir/paper/567664/en

Vancouver: Copy

FARMANZAD F., NAJARIAN S., ISLAMI M.R., SEDIGHI AMIR SAEID. DETERMINATION OF AN OPTIMUM ELASTIC MODEL FOR BIOMECHANICAL BEHAVIOR OF BRAIN TISSUE. AMIRKABIR[Internet]. 2007;17(65-A (TOPICS IN: GROUPS OF ENGINEERING, BIOMEDICAL AND ELECTRONIC)):1-9. Available from: https://sid.ir/paper/567664/en

IEEE: Copy

F. FARMANZAD, S. NAJARIAN, M.R. ISLAMI, and AMIR SAEID SEDIGHI, “DETERMINATION OF AN OPTIMUM ELASTIC MODEL FOR BIOMECHANICAL BEHAVIOR OF BRAIN TISSUE,” AMIRKABIR, vol. 17, no. 65-A (TOPICS IN: GROUPS OF ENGINEERING, BIOMEDICAL AND ELECTRONIC), pp. 1–9, 2007, [Online]. Available: https://sid.ir/paper/567664/en

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