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Universal radio-frequency receive-coil connector: Concept and validation at 3 T

Abstract : In most clinical magnetic resonance imaging systems, only commercial receive coils with the appropriate connector and encoding can be plugged in. When willing to use a dedicated receive coil for a specific study which cannot be achieved with commercial coils, the researcher faces the connecting issue related to the specificity of the proprietary connector. In this work, a universal device is proposed which allows for the connection of any single channel dedicated coil on any magnetic resonance (MR) system, as long as it is provided with at least one commercial receive coil. Technical feasibility of the universal connecting device was demonstrated on a 3 T MR clinical imager. The device included an independent active decoupling circuit while signal transmission to the data cabinet was achieved by electromagnetic coupling with a commercial receive coil plugged to the MR device. The universal connecting device was notably characterized in terms of signal-to-noise ratio (SNR) and compared to the standard connection. Image SNR was comparable using both means of connection. © 2015 Wiley Periodicals, Inc. Concepts Magn Reson Part B (Magn Reson Engineering) 45B: 125–133, 2015
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Submitted on : Wednesday, January 27, 2016 - 9:18:54 AM
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Thomas Feuillet, Hervé Saint-Jalmes, Marie-Jose Seurin, Alejandro Bordelois, Olivier Beuf. Universal radio-frequency receive-coil connector: Concept and validation at 3 T. Concepts in Magnetic Resonance Part B: Magnetic Resonance Engineering, Wiley, 2015, 45 (3), pp.125--133. ⟨10.1002/cmr.b.21291⟩. ⟨hal-01262688⟩



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