徳島大学 教育・研究者情報データベース(EDB)

1. 岡﨑 憲二

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2. 丹黒 章

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3. 森本 忠興

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4. (英) Kotani Ryosuke / (日) 小谷 亮介 / (読) こたに りょうすけ

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5. (英) Hattori Keigo / (日) 服部 圭悟 / (読) はっとり けいご

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6. 安野 恵実子([阿南工業高等専門学校.制御情報工学科]/[徳島大学.工学研究科.システム工学専攻])

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7. 芥川 正武([徳島大学.大学院社会産業理工学研究部.理工学域.電気電子系.電気電子システム分野]/[徳島大学.理工学部.理工学科.電気電子システムコース.電気電子システム講座])

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8. 木内 陽介

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(英) Basic study of a diagnostic modality employing a new electrical impedance tomography (EIT) method for noninvasive measurement in localized tissue

(日) 局所組織に非侵襲測定のための新しい電気インピーダンストモグラフィ法の基礎的研究

(英) The objective of this study is to develop a device for noninvasive local tissue electrical impedance tomography (EIT) using divided electrodes with guard electrodes and to validate its effectiveness using bioequivalent phantoms. For this purpose, we prepared a measurement device and bioequivalent phantoms, measured the electrical characteristics of the phantoms, and validated the method using the phantoms. Monolayer phantoms mimicking the brain and muscle and bilayer phantoms consisting of muscle and brain layers were prepared. The relative differences between the measured electrical conductivities of the monolayer brain and muscle phantoms and the true values determined by the 4-electrode method were both less than 10%. The relative differences between the measured and true values in the bilayer phantoms were less than 20% in both layers. The biological impedance measurement device that we developed was confirmed to be effective for impedance measurement in bilayer phantoms with different electrical impedances. To develop a device for the early diagnosis of breast diseases, the development of a multi-layer phantom and demonstration of the effectiveness of the device for its examination are necessary. If the device that we developed makes impedance measurement in breast tumors possible, it may be used as a new diagnostic modality for breast diseases.

1. 脳(brain)
2. (英) Breast Neoplasms
3. (英) Electric Impedance
4. (英) Electrodes
5. (英) Equipment Design
6. (英) Female
7. (英) Humans
8. (英) Muscles
9. (英) Phantoms, Imaging
10. 断層(tomography)

1. (英) Article.Affiliation: Department of Thoracic, Endocrine Surgery and Oncology, Institute of Health Biosciences, the University of Tokushima Graduate School, Tokushima, Japan.

2. (英) Article.PublicationTypeList.PublicationType: Evaluation Studies

3. (英) Article.PublicationTypeList.PublicationType: Journal Article