Towards a thoracic conductive phantom for EIT

de Gelidi, Serena ORCID logoORCID:, Seifnaraghi, Nima, Bardill, Andy ORCID logoORCID:, Wu, Yu, Frerichs, Inéz, Demosthenous, Andreas, Tizzard, Andrew ORCID logoORCID: and Bayford, Richard ORCID logoORCID: (2020) Towards a thoracic conductive phantom for EIT. Medical Engineering and Physics, 77 . pp. 88-94. ISSN 1350-4533 [Article] (doi:10.1016/j.medengphy.2019.10.008)

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Phantom experiments are a crucial step for testing new hardware or imaging algorithms for electrical impedance tomography (EIT) studies. However, constructing an accurate phantom for EIT research remains critical; some studies have attempted to model the skull and breasts, and even fewer, as yet, have considered the thorax. In this study, a critical comparison between the electrical properties (impedance) of three materials is undertaken: a polyurethane foam, a silicone mixture and a thermoplastic polyurethane filament. The latter was identified as the most promising material and adopted for the development of a flexible neonatal torso. The validation is performed by the EIT image reconstruction of the air filled cavities, which mimic the lung regions. The methodology is reproducible for the creation of any phantom that requires a slight flexibility.

Item Type: Article
Keywords (uncontrolled): 3D printing, conductive, EIT, flexible, phantom
Research Areas: A. > School of Science and Technology > Natural Sciences > Biophysics and Bioengineering group
Item ID: 28763
Notes on copyright: © 2020. This author's accepted manuscript version is made available under the CC-BY-NC-ND 4.0 license
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Depositing User: Jisc Publications Router
Date Deposited: 17 Jan 2020 08:52
Last Modified: 29 Nov 2022 18:35

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