MRI compatible fiber optic multi sensor platform for real time vital monitoring

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dc.authorid0000-0003-0989-8761
dc.contributor.authorZolfaghari, Parviz
dc.contributor.authorErden, Oğuz Kaan
dc.contributor.authorFerhanoğlu, Onur
dc.contributor.authorTümer, Murat
dc.contributor.authorYalçınkaya, Arda Deniz
dc.date.accessioned2021-02-24T07:54:34Z
dc.date.available2021-02-24T07:54:34Z
dc.date.issued2021
dc.departmentTAÜ, Mühendislik Fakültesi, Elektrik-Elektronik Mühendisliği Bölümüen_US
dc.description.abstractMicrosystems sensors are implemented on a fiber optics based platform towards use in magnetic resonance imaging assisted interventions. The presented platform offers real-time and in-situ pressure, temperature and localization feedback during imaging assisted surgical procedures. This multi-sensor platform fits into an interventional medical device with a diameter of 2.5 mm. A polymer cap with perforation is utilized for circulation of blood in the vessel to allow correct monitoring of the temperature and pressure in real time. Graded Index (GRIN) lenses were utilized at the tip of the fiber cables improved optical signal collection efficiency. Three light sources having different wavelengths were utilized each for one sensor; a 637 nm laser, a 780 nm laser and a 875 nm LED (50 nm bandwidth) for pressure, localization and temperature sensors, respectively. Pressure sensing is performed by a released polymer metal hybrid membrane having a diffraction grating interferometer readout scheme. Temperature sensing is accomplished based on the change of absorption and transmission in semiconductors (i.e.GaAs) due to variations of energy bandgap with temperature. Localization of the medical device is acquired based on magneto-optical Kerr effect where Iron Oxide magnetic material is employed. The sensor chip revealed a temperature precision of ±0.22°C, a pressure resolution of 1 mmHg and a localization resolution of 3 mm, where all values are relevant to medical practice. Integration of the sensors developed in this study helps medical devices such as catheters and stents, allow a new horizon in interventional surgery.
dc.identifier.doi10.1109/JLT.2021.3055252
dc.identifier.scopus2-s2.0-85100500801
dc.identifier.scopusqualityN/A
dc.identifier.urihttps://hdl.handle.net/20.500.12846/506
dc.identifier.wosWOS:000658363000056
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorTümer, Murat
dc.language.isoen
dc.publisherInstitute of Electrical and Electronics Engineers
dc.relation.ispartofJournal of Lightwave Technology
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/embargoedAccess
dc.subjectTemperature Sensorsen_US
dc.subjectMagnetic Resonance Imagingen_US
dc.subjectTemperature Measurementen_US
dc.subjectOptical Interferometryen_US
dc.subjectPressure Sensorsen_US
dc.titleMRI compatible fiber optic multi sensor platform for real time vital monitoring
dc.typeArticle

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