发明名称 |
Magnetic field generator for MRI |
摘要 |
A magnetic field generator for MRI comprises a pair of plate yokes opposed to each other with space in between. A magnet is provided in each of the opposed surfaces of the pair of plate yokes. A column yoke is connected to the pair of plate yokes. An enhancing member made of magnetic material and having a curved slant face is provided in an inner surface of the connection between the column yoke and the plate yokes at a place farthest from the magnet. A first bolt at magnetic field adjusting bolts is screwed into the plate yoke, with a tip of the first bolt contacting the enhancing member. A second bolt of the magnetic field adjusting bolts is screwed into the plate yoke, with a tip of the second bolt contacting an upper end face of the column yoke. An engaging portion for engagement of the enhancing member with the yoke may be provided. <IMAGE> |
申请公布号 |
EP0987558(A3) |
申请公布日期 |
2001.03.21 |
申请号 |
EP19990117059 |
申请日期 |
1999.08.30 |
申请人 |
SUMITOMO SPECIAL METALS COMPANY LIMITED |
发明人 |
AOKI, MASAAKI;HASHIMOTO, SHIGEO |
分类号 |
A61B5/055;G01R33/383;G01R33/385;G01R33/3873;H01F7/20 |
主分类号 |
A61B5/055 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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