NDLI: Modeling the internal pressure dependence of thermal conductivity and in vitro temperature measurement for lung RFA

Content Provider	IEEE Xplore Digital Library
Author	Yamazaki, N. Watanabe, H. Seki, M. Hoshi, T. Kobayashi, Y. Miyashita, T. Fujie, M.G.
Copyright Year	2011
Description	Author affiliation: Graduate School of Science and Engineering, Waseda University, Japan. (59-309, 3-4-1, Okubo, Shinjuku Ward, Tokyo, Japan (Yamazaki, N.; Watanabe, H.; Seki, M.) \|\| Graduate School of Science and Engineering, Waseda University, Japan (Hoshi, T.; Kobayashi, Y.; Miyashita, T.; Fujie, M.G.)
Abstract	Radio frequency ablation (RFA) for lung cancer has increasingly been used over the past few years because RFA is minimally invasive treatment for patients. As a feature of RFA for the lung cancer, lung has the air having low thermal conductivity. Therefore, RFA for lung has the advantage that only the tumor is coagulated because heating area is confined to the immediate vicinity of the heating point. However, it is difficult for operators to control the precise formation of coagulation zones due to inadequate imaging modalities. We propose a method using numerical simulation to analyze the temperature distribution of the organ in order to overcome the current deficiencies. Creating an accurate thermophysical model was a challenging problem because of the complexities of the thermophysical properties of the organ. In this work, as the processes in the development of ablation simulator, measurement of the pressure dependence of lung thermal conductivity and in vitro estimation of the temperature distribution during RFA is presented.
Starting Page	5753
Ending Page	5757
File Size	1276119
Page Count	5
File Format	PDF
ISBN	9781424441211
ISSN	1557170X
e-ISBN	9781457715891
e-ISBN	9781424441228
DOI	10.1109/IEMBS.2011.6091424
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-08-30
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Lungs Conductivity Thermal conductivity Temperature measurement Radio frequency Electrodes Heating
Content Type	Text
Resource Type	Article
Subject	Signal Processing Biomedical Engineering Health Informatics Computer Vision and Pattern Recognition

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