Abstract
This paper deals with the proposal of the approximation method of complex organic tissues (in this example liver) for electro-thermal simulation. The main objective of the proposed approximation is to reduce the required computational power for electro-thermal simulation of given issue. The approximated parameters are meant to be used in three-dimensional finite element simulation models. Verification of proposed approximation is given by the comparison of electrical current distribution within complex model of liver tissue and approximated one.
Highlights
Medicine and surgery belong to the scientific areas in which the knowledge, proceedings and devices are updated rapidly
The first model is a complex model composed of different parts of the liver tissue (Fig. 1)
The results are showing that approximated model shows similar behaviour to the complex model when the value of the current density within individual parts is investigated
Summary
Medicine and surgery belong to the scientific areas in which the knowledge, proceedings and devices are updated rapidly The reason for this development is the fact that characterizes the scientific areas themselves - the requirement of extreme precision and exactness of the processes and tools. The keystone of electrothermal injury can be direct application, insulation failure, direct coupling, capacitive coupling and burns at the site of ECG leads and blood cannulas because of the failure of return electrode Most of these risks are eliminated by using new methods such as active electrode monitoring system, tissue response monitoring or nanotechnology. The paper will describe an approximation method of electro-thermal parameters of organic tissue This approximation is needed for large-scale simulation of organs and can be used for partial approximation and consequent development of the full-scale human body model. Presented methodology is accurate compared to complex model and enables investigation of various impacts on the full-scale models of the human body (electrosurgery, electromagnetic field, thermal radiation, etc. . . )
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