Publication: Airflow effect on microwave ablation in lung model
Issued Date
2016-02-04
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2-s2.0-84969142159
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Mahidol University
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SCOPUS
Bibliographic Citation
BMEiCON 2015 - 8th Biomedical Engineering International Conference. (2016)
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C. Phairoh, A. Sanpanich, Y. Kajornpredanon, K. Petsarb, W. Sroykham, W. Angkhananuwat, P. Phasukkit, C. Pidthalek Airflow effect on microwave ablation in lung model. BMEiCON 2015 - 8th Biomedical Engineering International Conference. (2016). doi:10.1109/BMEiCON.2015.7399559 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/40620
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Title
Airflow effect on microwave ablation in lung model
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Abstract
© 2015 IEEE. Pulmonary microwave ablation has been trailed and became dramatically recognized as an alternative surgical method for lung cancer treatment due to its minimal invasive technique and destroyable only a small part of malignant tissue. Even though, lung is realized as a porous tissue in which filled of humid air and a capillary network that rather difficult to control an ablation region, then a prediction of lung destructive region by using MWA simulation seem to be a reliable investigation and numerical tool for supporting this medical maneuver. In this paper, we propose a simulation of microwave thermal ablation for lung cancer treatment in a simple lung model. Microwave applicator was designed as an opened-tip coaxial antenna of 2.45 GHz at 10 Watts. To study an effect of air flow in pulmonary bronchus, a small tube with air flow was also placed close to the microwave applicator then a temperature distribution and coagulation volume at 60 °c were analyzed. The in silico results show a predictable ablation shape which affected by a convection heat transfer of a humid air. However, before a real ablation with swine tissue, an amount of pulmonary blood flow in small blood vessel should be also included in the next investigation inorder to obtain more reasonable results.