Journal
HARDWAREX
Volume 12, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.ohx.2022.e00326
Keywords
Magnetic resonance imaging; Birdcage resonator; RF coil; 3D printing; Medical hardware
Categories
Funding
- German Research Foundation (DFG) [SPP 1740, TH 893/17-2]
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This study outlines the design, construction, and characterization of a tailored low-cost linear birdcage resonator for magnetic resonance imaging at 7T. The proposed design allows users without expertise in MRI coil building to construct a functional resonator with simple means and a budget below 750 euros. The performance of the resonator is comparable to a commercially available resonator in terms of SNR and image quality.
This study outlines the design, construction and characterization of a tailored low-cost linear birdcage (BC) resonator for magnetic resonance imaging at 7T. Typically, different BC designs found in literature are well described in theory but lack crucial information for practical realization. This is challenging, as theoretical and practical aspects often differ greatly from each other, especially in the field of high frequency technology. We propose a simple and open-source 3D printable design which results in a working BC if the instructions in this publication are followed. The aim is to open up the possibility of building a functioning BC with simple means and a budget below 750 euro , even for users without a great deal of expertise in MRI coil building. We demonstrate that the BC can achieve a good B-1 field homogeneity using the double angle method. The proposed design is qualitatively compared to a commercially available resonator. Both perform equally well in terms of SNR and image quality. (c) 2022 The Author(s). Published by Elsevier Ltd. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
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