Monopole antennas for microwave catheter ablation of the myocardium.

Angeline. Blais
We investigate monopole antennas at 2.45 GHz for microwave ablation of the myocardium. Three geometries are considered: open-tip, dielectric-tip, and metal-tip. Their performance is compared using a theoretical model of the antenna radiation in lossy media. The model is implemented using the Galerkin Finite Element Method in the frequency domain. Calculations are made for the magnetic field, the reflection coefficient, and the power deposition pattern of the antennas immersed in normal saline. The theoretical results...
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