Dry-type phantom emulating quadrupole-like magnetic field distribution for evaluation of magnetoneurography

Dry-type phantom emulating quadrupole-like magnetic field distribution for evaluation of magnetoneurography
复制标题

用于评估神经磁图的干式体模模拟四极样磁场分布

DOI:
10.1109/tmag.2023.3278745
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发表时间:
2023
影响因子:
2.1
通讯作者:
Shigenori Kawabata
Shigenori Kawabata
中科院分区:
工程技术4区
文献类型:
--
作者:
Yoshiaki Adachi;Daisuke Oyama;Gen Uehara;Shigenori Kawabata

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本研究提出了一种干式体模,用于评估磁神经描记术(MNG)的准确性。该体模模拟了在MNG中观察到的典型磁场分布的四极状图案。它是由一个印刷电路板(PCB)图案与长矩形线圈,其短边和长边测量5和360毫米,分别。使用配备矢量型超导量子干涉器件(SQUID)通量传感器阵列的132通道MNG系统获得干式体模的磁场分布,并显示出清晰的四极子样图案。干式体模更易于操作,在拟合优度(GOF)方面,其精度与先前开发的湿式体模相当或更高。
This study proposes a dry-type phantom for evaluating the accuracy of magnetoneurography (MNG). The phantom emulates the quadrupole-like pattern of the typical magnetic field distribution observed in MNG. It is composed of a printed circuit board (PCB) patterned with long rectangular coils, whose short and long edges measure 5 and 360 mm, respectively. The magnetic field distribution from the dry-type phantom was obtained using a 132-ch MNG system equipped with an array of vector-type superconducting quantum interference device (SQUID) flux sensors, and it showed a clear quadrupole-like pattern. The dry-type phantom is easier to handle and provides comparable or higher accuracy than that of the previously developed wet-type phantom in terms of goodness of fit (GOF).
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DOI: --
发表时间: 2005
影响因子: 3.8
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