Multichannel fetal magnetocardiography using SQUID bootstrap circuit

被引：0
|
作者：
张树林 [1 ,2 ]
张国峰 [1 ,2 ]
王永良 [1 ,2 ]
刘明 [3 ,2 ]
李华 [4 ,2 ,5 ]
邱阳 [4 ,2 ,5 ]
曾佳 [3 ,2 ,5 ]
孔祥燕 [1 ,2 ]
谢晓明 [4 ,6 ]
机构：
[1] State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and InformationTechnology (SIMIT), Chinese Academy of Sciences (CAS)
[2] Joint Research Laboratory on Superconductivity and Bioelectronics, Collaboration Between CAS-Shanghai and FZJ
[3] State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology(SIMIT), Chinese Academy of Sciences (CAS)
[4] State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology (SIMIT), Chinese Academy of Sciences (CAS)
[5] University of the Chinese Academy of Sciences
[6] Joint Research Laboratory on Superconductivity and Bioelectronics, Collaboration Between CAS–Shanghai and FZJ
来源：
Chinese Physics B | 2013年 / 22卷 / 12期
关键词：
SQUID; gradiometer; fetal magnetocardiography;
D O I：
暂无
中图分类号：
R714.5 [胎儿];
学科分类号：
100211 ;
摘要：
Fetal magnetocardiography(MCG) is a sophisticated non-invasive technique for the fetal heart diagnosis. We constructed a multichannel fetal MCG system based on a novel superconducting quantum interference device(SQUID) direct readout scheme called SQUID bootstrap circuit(SBC). The system incorporates four SBC gradiometers for the signal detection and three SBC magnetometers as the references. The fetal MCG signal at a 28-weeks’ gestation was measured. By the fetal MCG signal separation and average, the P-wave and QRS complex can be clearly identified. These results indicate that the SBC is one of the most promising techniques for the fetal MCG recordings.
引用
收藏
页码：518 / 520
页数：3
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