<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>This paper studies the microwave antenna characterization in intracardiac ablation for frequencies 915 and 2450 MHz. The theoretical study is validated by experimental measurements in vitro on electromagnetic phantom muscle tissue. The Specific Absorbed Rate (SAR) measurement setup is described. Two types of antennas have been designed, implemented and used, a monopoly antenna and a helical antenna. The Specific Absorbed Rate (SAR) and the measured reflection coefficient (S11) were obtained for antennas for the two frequencies. We show that each frequency can be adapted to a region where the ablation is necessary. According to the doctors, the goal is to have a lesion on the surface as the atria or in depth.</p></abstract>

This paper studies the microwave antenna characterization in intracardiac ablation for frequencies 915 and 2450 MHz. The theoretical study is validated by experimental measurements in vitro on electromagnetic phantom muscle tissue. The Specific Absorbed Rate (SAR) measurement setup is described. Two types of antennas have been designed, implemented and used, a monopoly antenna and a helical antenna. The Specific Absorbed Rate (SAR) and the measured reflection coefficient (S11) were obtained for antennas for the two frequencies. We show that each frequency can be adapted to a region where the ablation is necessary. According to the doctors, the goal is to have a lesion on the surface as the atria or in depth.

Characterization of Microwave's Antennas for Intracardiac Ablation Frequencies 915 and 2450 MHz

Laboratory of Electronic Instrumentation of Nancy, Lorraine University, BP 70239, Vandoeuvre les Nancy-54506, France

Measurement Science Review

This paper studies the microwave antenna characterization in intracardiac ablation for frequencies 915 and 2450 MHz. The theoretical study is validated by...

Characterization of Microwave's Antennas for Intracardiac Ablation Frequencies 915 and 2450 MHz

Published Online: Mar 01, 2012

Page range: 34 - 39

DOI: https://doi.org/10.2478/v10048-012-0006-9

Keywords
Cardiac ablation, microwave antenna, Specific Absorbed Rate, reflection coefficient

This content is open access.

Characterization of Microwave's Antennas for Intracardiac Ablation Frequencies 915 and 2450 MHz

Published Online: Mar 01, 2012

Page range: 34 - 39

DOI: https://doi.org/10.2478/v10048-012-0006-9

KeywordsCardiac ablation, microwave antenna, Specific Absorbed Rate, reflection coefficient

This content is open access.

Keywords
Cardiac ablation, microwave antenna, Specific Absorbed Rate, reflection coefficient