Self-shield open magnetic resonance imaging superconducting magnet

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United States of America Patent

PATENT NO 8996083
APP PUB NO 20140121114A1
SERIAL NO

14125003

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Abstract

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A self-shield open magnetic resonance imaging superconducting magnet comprises five pairs of coils: shim coils, first main magnetic coils, second main magnetic coils, third main magnetic coils, and shielding coils. The five pairs of coils are symmetric about the center. The shim coils are arranged closest to the center point; the first main magnetic coils, the second main magnetic coils, the third main magnetic coils, and the shielding coils are arranged in sequence outside. The first main magnetic coils are connected with reverse current. The second and third main magnetic coils are connected with positive current for providing the main magnetic field strength. The shim coils are connected with positive current for compensating the magnetic field in the central region. The shielding coils are connected with reverse current for creating a magnetic field opposite to the main magnetic field for compensating the stray magnetic field in the space.

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Patent Owner(s)

Patent OwnerAddress
INSTITUTE OF ELECTRICAL ENGINEERING CHINESE ACADEMY OF SCIENCES100190 NO 6 NORTH OF ZHONGGUANCUN HAIDIAN DISTRICT HAIDIAN DISTRICT BEIJING BEIJING CITY BEIJING CITY 100190

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dai, Yinming Beijing, CN 9 26
Hu, Xinning Beijing, CN 14 45
Wang, Chunzhong Beijing, CN 2 1
Wang, Hui Beijing, CN 1115 8921
Wang, Jianhua Beijing, CN 136 730
Wang, Qiuliang Beijing, CN 16 45
Xu, Jianyi Beijing, CN 3 3
Yan, Luguang Beijing, CN 7 25
Zhao, Baozhi Beijing, CN 4 16

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