发明名称 |
Actively shielded transverse gradient coil for nuclear magnetic resonance tomography apparatus |
摘要 |
An actively shielded transverse gradient coil arrangement contains a primary coil and a secondary coil that are arranged at a radial spacing from one another. Turns of the primary coil and the secondary coil disposed farther from the center of the examination volume in an axial direction of the gradient coil arrangement have a smaller radial spacing from one another than do turns lying close to the center. The parasitic flux density can thus be minimized. This is particularly important in EPI sequences for avoiding physiological stimulations in the examination subject.
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申请公布号 |
US5512828(A) |
申请公布日期 |
1996.04.30 |
申请号 |
US19950492570 |
申请日期 |
1995.06.20 |
申请人 |
SIEMENS AKTIENGESELLSCHAFT |
发明人 |
PAUSCH, GUENTHER;HENTZELT, HEINZ |
分类号 |
A61B5/055;G01R33/385;G01R33/421;(IPC1-7):G01R33/20 |
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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