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Journal Article Numerical and Experimental Assessments of Focused Microwave Thermotherapy System at 925 MHz
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Authors
Jang-Yeol Kim, Kwang-Jae Lee, Bo-Ra Kim, Soon-Ik Jeon, Seong-Ho Son
Issue Date
2019-12
Citation
ETRI Journal, v.41, no.6, pp.850-862
ISSN
1225-6463
Publisher
한국전자통신연구원 (ETRI)
Language
English
Type
Journal Article
DOI
https://dx.doi.org/10.4218/etrij.2018-0088
Project Code
18ZR1200, Development of intelligent radio wave sensor and wireless power tranfer technology, Lee Ho Jin
Abstract
This work investigated three-dimensional (3D) focused microwave thermotherapy (FMT) at 925혻MHz for a human tissue mimicking phantom using the time reversal (TR) principle for musculoskeletal disorders. We verified the proposed TR algorithm by evaluating the possibility of 3D beam focusing through simulations and experiments. The simulation, along with the electromagnetic and thermal analyses of the human tissue mimicking phantom model, was conducted by employing the Sim4Life commercial tool. Experimental validation was conducted on the developed FMT system using a fabricated human tissue mimicking phantom. A truncated threshold method was proposed to reduce the unwanted hot spots in a normal tissue region, wherein a beam was appropriately focused on a target position. The validation results of the simulation and experiments obtained by utilizing the proposed TR algorithm were shown to be acceptable. Effective beam focusing at the desired position of the phantom could be achieved.
KSP Keywords
Hot spot, Microwave thermotherapy, Musculoskeletal Disorders, Phantom Model, Target Position, Three dimensional(3D), Threshold method, Truncated threshold, beam focusing, experimental validation, human tissue mimicking phantom
This work is distributed under the term of Korea Open Government License (KOGL)
(Type 4: : Type 1 + Commercial Use Prohibition+Change Prohibition)
Type 4: