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Initial In-Vitro Trial for Intra-Cranial Pressure Monitoring Using Subdermal Proximity-Coupled Split-Ring Resonator
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Electronics.ORCID iD: 0000-0002-5796-9838
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Electronics.ORCID iD: 0000-0001-5956-0713
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Electronics.ORCID iD: 0000-0003-4821-8087
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Electronics.ORCID iD: 0000-0002-6899-1424
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2018 (English)In: Proceedings of the 2018 IEEE/MTT-S International Microwave Biomedical Conference (IMBioC), IEEE, 2018, p. 73-75Conference paper, Published paper (Refereed)
Abstract [en]

Intra cranial pressure (ICP) monitoring is used in treating severe traumatic brain injury (TBI) patients. All current clinical available measurement methods are invasive presenting considerable social costs. This paper presents a preliminary investigation of the feasibility of ICP monitoring using an innovative microwave-based non-invasive approach. A phantom mimicking the dielectric characteristics of human tissues of the upper part of the head at low microwave frequencies is employed together to a proof-of-concept prototype based on the proposed approach consisting in a readout system and a sub-dermally implanted passive device, both based in split ring resonator techniques. This study shows the potential of our approach to detect two opposite pressure variation stages inside the skull. The employed phantom model needs to be improved to support finer variations in the pressure and better phantom parts, principally for the skull mimic and the loss tangent of all mimics.

Place, publisher, year, edition, pages
IEEE, 2018. p. 73-75
Keywords [en]
intra cranial pressure, split ring resonator (SRR) sensor, biocompatible, microwave technique
National Category
Other Medical Engineering
Identifiers
URN: urn:nbn:se:uu:diva-401920DOI: 10.1109/IMBIOC.2018.8428854ISI: 000502126700102ISBN: 978-1-5386-5918-2 (electronic)OAI: oai:DiVA.org:uu-401920DiVA, id: diva2:1385111
Conference
IEEE/MTT-S International Microwave Biomedical Conference (IEEE-IMBioC), June 14-15, 2018
Funder
EU, European Research Council, 277879Swedish Research CouncilVinnovaAvailable from: 2020-01-13 Created: 2020-01-13 Last updated: 2020-01-13Bibliographically approved

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Redzwan, SyaifulVelander, JacobPerez, Mauricio D.Asan, Noor BadariahNowinski, DanielLewén, AndersEnblad, PerAugustine, Robin

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