Optimization of dual slot antenna using floating metallic… Conclusion: The dual-slot microwave antenna created a more spherical ablation zone than did the monopole antenna both in vivo and ex vivo liverWe report a novel coaxial antenna for hepatic microwave ablation. This device uses a floating sleeve, that is, a metal conductor electrically isolated... Finite Element Analysis of Single Slot Antenna for … The single slot antenna for hepatic MWA was designed using COMSOL MULTIPHYSICS 4.3b software. A total number of 140 antennas modelsA microwave antenna system for transcatheter ablation of cardiac tissue is investigated. A numerical model based on the finite-difference... Finite Element Analysis of Single Slot Antenna for …
Antenna design. Several antenna designs have been shown to be effective for the treatment of deep-seated hepatic tumors. Recently, Saito et al presented a design for a double slot antenna that is capable of achieving a higher degree of SAR localization than a standard single slot antenna and has been used in initial clinical trials.
Coaxial Dipole Antenna for Interstitial Microwave Ablation ... Key-Words: - Microwave ablation (MWA), tumor, Finite Element Method (FEM), Coaxial slot antenna,. Finite Element Analysis of Single Slot Antenna for Microwave Tumor ... The single slot antenna for hepatic MWA was designed using ... Microwave ablation (MWA) represents one of the newest generation of thermal ablation ... View of A Novel Microwave Coaxial Slot Antenna for Liver Tumor ...
Microwave thermal ablation for cancer therapy - COST EMF-MED
Characterization of Microwave Antennas for Intracardiac … Key words: Cardiac ablation, microwave antenna, Specific Absorbed Rate, reflection coefficient F 1. INTRODUCTION OR ARRHYTHMIA TREATMENT or conductive lesions, catheter intracardiac ablation is necessary for the destruction of morbid cells and it replaces the natural electric impulse by cardiac... Coaxial Dipole Antenna for Interstitial Microwave … Development and Analysis of Coaxial Slot Antenna in Comparision with Coaxial Dipole Antenna for Interstitial Microwave Ablation. SURITA MAINI, ANUPMA MARWAHA Electrical & Instrumentation Engineering Department, Electronics & Communication Engineering. A Floating Sleeve Antenna Yields Localized Hepatic Index Terms—Ablation, coaxial aperture antennas, nite ele-ment methods, oating sleeve, microwave heating.As long as the sleeve is half a wave-length (adjusted for the presence of Teon) in length and is not covering the antenna slot, it seems able to constrain the tail of the SAR pattern.
Finite Element Analysis Of Single Slot Antenna For Microwave Tumor Ablation www.iosrjournals.org 58 | Page for an input power of P av deduced from the time-average power flow. The antenna radiates into the tissue where a damped wave propagates.
A coaxial-slot antenna for invasive microwave…
A Hybrid Slot/Monopole Antenna With Directional Heating Patterns For ...
[Full text] Microwave ablation: state-of-the-art review |… Microwave ablation: results with double 915 MHz antennae in ex vivo bovine livers. Eur J Radiol. 2011;79(2): 214–217.Keangin P, Rattanadecho P, Wessapan T. An analysis of heat transfer in liver tissue during microwave ablation using single and double slot antenna. A Novel Microwave Coaxial Slot Antenna for Liver Tumor Ablation… This paper is on the effect of a T-ring shape structure to enhance the capability of a microwave coaxial slot antenna (MCA) in the treatment of liver cancer.
Microwave Ablation Antenna Design - aibolita.com FIGURE 9.14 Schematic cross sections of five antenna designs for microwave ablation. From top to bottom: slot, monopole, dipole, triaxial, and choked slot. Metallic components are represented in dark gray, dielectric insulators in light gray. 1996, Hurter 1991, Ahn 2005). A numerical investigation of microwave ablation on porous ...