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      Reverse polarized inductive coupling to transmit and receive radiofrequency coil arrays

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      Author
      Celik, H.
      Atalar, Ergin
      Date
      2011-06-07
      Source Title
      Magnetic Resonance in Medicine
      Print ISSN
      0740-3194
      Publisher
      Wiley
      Volume
      67
      Issue
      2
      Pages
      446 - 456
      Language
      English
      Type
      Article
      Item Usage Stats
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      Abstract
      In this study, the reverse polarization method is implemented using transmit and receive arrays to improve the visibility of the interventional devices. Linearly polarized signal sources-inductively and receptively coupled radiofrequency coils-are used in the experimental setups to demonstrate the ability of the method to separate these sources from a forward polarized anatomy signal. Two different applications of the reverse polarization method are presented here: (a) catheter tracking and (b) fiducial marker visualization, in both of which transmit and receive arrays are used. The performance of the reverse polarization method was further tested with phantom and volunteer studies, and the results proved the feasibility of this method with transmit and receive arrays.
      Keywords
      Fiducial marker
      Inductive and receptive coupling
      Interventional device tracking
      Interventional MRI
      Phased array coils
      Reverse polarization
      Transmit array system
      Permalink
      http://hdl.handle.net/11693/21611
      Published Version (Please cite this version)
      http://dx.doi.org/10.1002/mrm.23030
      Collections
      • Department of Electrical and Electronics Engineering 3524
      • National Magnetic Resonance Research Center (UMRAM) 175
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