Experimental measurement of microwave ablation heating pattern and comparison to computer simulations

G Deshazer, P Prakash, D Merck… - International Journal of …, 2017 - Taylor & Francis
Introduction: For computational models of microwave ablation (MWA), knowledge of the
antenna design is necessary, but the proprietary design of clinical applicators is often …

Experimental assessment of microwave ablation computational modeling with MR thermometry

P Faridi, P Keselman, H Fallahi, P Prakash - Medical physics, 2020 - Wiley Online Library
Purpose Computational models are widely used during the design and characterization of
microwave ablation (MWA) devices, and have been proposed for pretreatment planning. Our …

Temperature distribution analysis of tissue water vaporization during microwave ablation: Experiments and simulations

H Ai, S Wu, H Gao, L Zhao, C Yang… - International Journal of …, 2012 - Taylor & Francis
The temperature distribution in the region near a microwave antenna is a critical factor that
affects the entire temperature field during microwave ablation of tissue. It is challenging to …

Numerical study on thermal field of microwave ablation with water-cooled antenna

Y Lu, Q Nan, L Li, Y Liu - International journal of hyperthermia, 2009 - Taylor & Francis
Purpose: This research was to reveal the thermal characteristics of a water-cooled
microwave ablation antenna in phantom, and the influence of cooling water velocity on …

Ex vivo validation of microwave thermal ablation simulation using different flow coefficients in the porcine liver

F Hübner, R Schreiner, C Reimann… - Medical Engineering & …, 2019 - Elsevier
The purpose of the study was to validate the simulation model for a microwave thermal
ablation in ex vivo liver tissue. The study aims to show that heat transfer due to the flow of …

The impact of frequency on the performance of microwave ablation

JF Sawicki, JD Shea, N Behdad… - International Journal of …, 2017 - Taylor & Francis
Purpose: The use of higher frequencies in percutaneous microwave ablation (MWA) may
offer compelling interstitial antenna design advantages over the 915 MHz and 2.45 GHz …

Phantom experimental study on microwave ablation with a water-cooled antenna

Y Liu, X Yang, Q Nan, J Xiao, L Li - International journal of …, 2007 - Taylor & Francis
Microwave ablation therapy using a water-cooled antenna was studied experimentally in a
phantom. The development of the heating pattern induced by the microwave antenna was …

Expanded modeling of temperature-dependent dielectric properties for microwave thermal ablation

Z Ji, CL Brace - Physics in medicine & biology, 2011 - iopscience.iop.org
Microwaves are a promising source for thermal tumor ablation due to their ability to rapidly
heat dispersive biological tissues, often to temperatures in excess of 100 C. At these high …

Temperature simulation of microwave ablation based on improved specific absorption rate method compared to phantom measurements

H Gao, S Wu, X Wang, R Hu, Z Zhou… - Computer Assisted …, 2017 - Taylor & Francis
Purpose: To propose an improved specific absorption rate (SAR) computation method by
incorporating a thermal conductivity item, develop mathematical simulation models based …

Numerical models to evaluate the temperature increase induced by ex vivo microwave thermal ablation

M Cavagnaro, R Pinto, V Lopresto - Physics in Medicine & …, 2015 - iopscience.iop.org
Microwave thermal ablation (MTA) therapies exploit the local absorption of an
electromagnetic field at microwave (MW) frequencies to destroy unhealthy tissue, by way of …