Article ; Online: Twisted pair transmission line coil - a flexible, self-decoupled and robust element for 7 T MRI.
2024 Volume 108, Page(s) 146–160
Abstract: Objective: This study evaluates the performance of a twisted pair transmission line coil as a transceive element for 7 T MRI in terms of physical flexibility, robustness to shape deformations, and interelement decoupling.: Methods: Each coil element ... ...
| Abstract | Objective: This study evaluates the performance of a twisted pair transmission line coil as a transceive element for 7 T MRI in terms of physical flexibility, robustness to shape deformations, and interelement decoupling. Methods: Each coil element was created by shaping a twisted pair of wires into a circle. One wire was interrupted at the top, while the other was interrupted at the bottom, and connected to the matching circuit. Electromagnetic simulations were conducted to determine the optimal number of twists per length (in terms of B₁ Results: Increasing the number of twists per length resulted in a more physically robust coil. Poynting vector streamline visualisation showed that the twisted pair coil concentrated most of the energy in the near field. The twisted pair coil exhibited comparable B₁ Discussion: The findings highlight the robustness of the twisted pair coil, showcasing its stability under shape variations. This coil holds great potential as a flexible RF coil for various imaging applications using multiple-element arrays, benefiting from its inherent decoupling. |
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| MeSH term(s) | Equipment Design ; Magnetic Resonance Imaging/methods ; Radio Waves ; Phantoms, Imaging | |||||
| Language | English | |||||
| Publishing date | 2024-02-15 | |||||
| Publishing country | Netherlands | |||||
| Document type | Journal Article | |||||
| ZDB-ID | 604885-7 | |||||
| ISSN | 1873-5894 ; 0730-725X | |||||
| ISSN (online) | 1873-5894 | |||||
| ISSN | 0730-725X | |||||
| DOI | 10.1016/j.mri.2024.02.007 | |||||
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| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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