微波治疗心律失常的三维模型

Proceedings of 17th International Conference of the Engineering in Medicine and Biology Society Pub Date : 1995-09-20 DOI:10.1109/IEMBS.1995.575117

A. Khebir, P. Savard

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引用次数: 0

摘要

提出了一种三维超限元方法来确定微波消融治疗心律失常过程中心室的耗散功率密度。这种方法可以在不假设任何轴对称的情况下对整个心脏进行建模。此外，无论是在微波天线的形状上，还是在其传播方式上，它都没有简化。它还考虑了组织介电特性的频率依赖性。因此，它允许一个准确的和现实的模拟微波消融。

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A three-dimensional model for microwave treatment of heart rhythm disorders

Presents a three-dimensional transfinite element approach to determine the dissipated power density in the heart chambers during microwave ablation for the treatment of heart rhythm disorders. This approach allows for modeling the heart in its entirety without assuming any axial symmetry. Furthermore, it makes no simplifications, neither on the shape of the microwave antenna nor on its the modes of propagation. It also takes into account the frequency dependence of the dielectric properties of the tissues. Hence, it allows for an accurate and realistic modeling of microwave ablation.

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Proceedings of 17th International Conference of the Engineering in Medicine and Biology Society

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