International Journal on Magnetic Particle Imaging IJMPI
Vol 9 No 1 Suppl 1 (2023): Int J Mag Part Imag
https://doi.org/10.18416/IJMPI.2023.2303050
Depth detection capability of handheld magnetic particle imaging under multiple excitation waveforms
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This work is licensed under a Creative Commons Attribution 4.0 International License.
Abstract
手持式磁粉成像(Hand-held MPI)因其独特的便携性而在临床医学中具有广阔的应用前景。在手持式MPI系统中,激励磁场将直接作用于磁性颗粒,并通过接收线圈获得相应的磁化信号。因此,不同的激励波形会对信号产生直接影响。为了探索手持式MPI设备上不同激励波形的性能,本研究在0 mm和10 mm检测深度使用了三种激励波形。结果表明,梯形波优于三角波,检测深度变化时可以看到不同激励波形对应的信号差异。本研究对推动手持式MPI的应用具有一定的意义。
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References
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[5] Yu, E. Y. e, et al, Magnetic particle imaging: A novel in vivo imaging platform for cancer detection, Nano Lett, vol. 17, pp. 1648-1654, Feb. 2017.
[6] Erica E. Mason, et al, Concept for using magnetic particle imaging for intraoperative margin analysis in breast‑conserving surgery, Scientific Reports, vol. 11, pp. 13456, Dec. 2021.
[7] S. H. Choi, et al, A portable single-sided magnetic particle imaging concept using amplitude modulation for breast conserving surgery, International Journal on Magnetic Particle Imaging, vol. 8, pp. 2203024, Mar. 2022.