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ARRAY COIL AND MAGNETIC RESONANCE IMAGING DEVICE
专利权人:
HITACHI; LTD.
发明人:
OTAKE, Yosuke,大竹陽介,IWASAWA, Kohjiro,岩澤浩二郎,SOTOME, Yoshihisa,五月女悦久
申请号:
JPJP2018/019388
公开号:
WO2018/225484A1
申请日:
2018.05.18
申请国别(地区):
WO
年份:
2018
代理人:
摘要:
The objective of the present invention is to acquire an image having an improved SNR by reducing noise.Provided is an array coil which is provided with first and second RF coils capable of receiving a magnetic resonance signal from a subject and respectively including a first loop coil portion and a second loop coil portion from which magnetic coupling has been eliminated and each of which comprises a conductor, and an electric field generating circuit which includes a loop portion in which the end portions of at least one conductor are connected to one another, and which is magnetically coupled to the first RF coil and the second RF coil. The placement of the electric field generating circuit is adjusted in such a way that an inner product volume integral value of electric fields generated respectively in the subject by a first sub-current induced in the electric field generating circuit by the first RF coil and a second sub-current induced in the electric field generating circuit by the second RF coil has a sign and a value that cancel out an inner product volume integral value of electric fields generated in the subject by a first current flowing through the first loop coil portion and a second current flowing through the RF coil of the second loop coil portion.Lobjectif de la présente invention est dacquérir une image ayant un rapport S/B amélioré par réduction du bruit. La présente invention concerne une antenne qui est pourvue dune première bobine RF et dune seconde bobine RF capables de recevoir un signal de résonance magnétique provenant dun sujet et comprenant respectivement une première partie de bobine de boucle et une seconde partie de bobine de boucle dans lesquelles un couplage magnétique a été éliminé et dont chacune comprend un conducteur, et un circuit de génération de champ électrique qui comprend une partie de boucle dans laquelle les parties dextrémité dau moins un conducteur sont connectées lune à lautre, et qui est magnétiquement couplée à la p
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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