Using a low-amplitude RF pulse at echo time (LARFET) for device localization in MRI

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dc.authoridMutlu, Senol/0000-0003-4515-5770|Tumer, Murat/0000-0003-0989-8761|Sarioglu, Baykal/0000-0002-7433-3823|Ozturk, Cengizhan/0000-0002-6966-0774
dc.authorwosidMutlu, Senol/C-6680-2015
dc.authorwosidTumer, Murat/AAB-6090-2020
dc.authorwosidSarioglu, Baykal/AAO-4915-2020
dc.authorwosidTümer, Murat/AGP-8040-2022
dc.authorwosidOzturk, Cengizhan/A-6177-2016
dc.contributor.authorTumer, Murat
dc.contributor.authorSarioglu, Baykal
dc.contributor.authorMutlu, Senol
dc.contributor.authorUlgen, Yekta
dc.contributor.authorYalcinkaya, Arda
dc.contributor.authorOzturk, Cengizhan
dc.date.accessioned2024-07-18T20:42:19Z
dc.date.available2024-07-18T20:42:19Z
dc.date.issued2014
dc.departmentİstanbul Bilgi Üniversitesien_US
dc.description.abstractWe describe a new method for frequency down-conversion of MR signals acquired with the radio-frequency projections method for device localization. A low-amplitude, off-center RF pulse applied simultaneously with the echo signal is utilized as the reference for frequency down-conversion. Because of the low-amplitude and large offset from the Larmor frequency, the RF pulse minimally interfered with magnetic resonance of protons. We conducted an experiment with the coil placed at different positions to verify this concept. The down-converted signal was transformed into optical signal and transmitted via fiber-optic cable to a receiver unit placed outside the scanner room. The position of the coil could then be determined by the frequency analysis of this down-converted signal and superimposed on previously acquired MR images for comparison. Because of minimal positional errors (a parts per thousand currency sign0.8 mm), this new device localization method may be adequate for most interventional MRI applications.en_US
dc.description.sponsorshipScientific and Technological Research Council Of Turkey (TUBITAK) [111E197]; Bogazici University LifeSci Center (Ministry of Development) [2009K1200520]; EU Marie Curie Actions IRSES Project [269300]en_US
dc.description.sponsorshipThe authors thank Umut Cindemir and Berk Camli for their efforts during experiments, Mr. Francis Payne and Dr. Can Akgun for their valuable editorial support. The experiments were conducted at National Magnetic Resonance Research Center (UMRAM) at Bilkent University, Ankara and Acibadem Kozyatagi Hospital, Istanbul. This study was supported by The Scientific and Technological Research Council Of Turkey (TUBITAK, Project 111E197) and Bogazici University LifeSci Center (Ministry of Development, 2009K1200520), and EU Marie Curie Actions IRSES Project 269300 (TAHITI, Improving Therapy and Intervention through Imaging).en_US
dc.identifier.doi10.1007/s11517-014-1184-4
dc.identifier.endpage894en_US
dc.identifier.issn0140-0118
dc.identifier.issn1741-0444
dc.identifier.issue10en_US
dc.identifier.pmid25173518en_US
dc.identifier.scopus2-s2.0-84919790445en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage885en_US
dc.identifier.urihttps://doi.org/10.1007/s11517-014-1184-4
dc.identifier.urihttps://hdl.handle.net/11411/7240
dc.identifier.volume52en_US
dc.identifier.wosWOS:000342227100007en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherSpringer Heidelbergen_US
dc.relation.ispartofMedical & Biological Engineering & Computingen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectInterventional Mrıen_US
dc.subjectDevice Localizationen_US
dc.subjectCatheter Trackingen_US
dc.subjectFrequency Down-Conversionen_US
dc.subjectSelf-Mixingen_US
dc.subjectMagnetic-Resonanceen_US
dc.subjectInterventional Mrien_US
dc.subjectCatheter Trackingen_US
dc.subjectTransmission-Lineen_US
dc.subjectInvasive Devicesen_US
dc.subjectFiducial Markersen_US
dc.subjectVisualizationen_US
dc.subjectSystemen_US
dc.subjectProbeen_US
dc.subjectAccuracyen_US
dc.titleUsing a low-amplitude RF pulse at echo time (LARFET) for device localization in MRI
dc.typeArticle

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