磁気共鳴イメージング装置
- 专利权人:
- 株式会社日立メディコ
- 发明人:
- 白井 裕基
- 申请号：
- JP2008200015
- 公开号：
- JP5280127B2
- 申请日:
- 2008.08.01
- 申请国别(地区):
- JP
- 年份:
- 2013
- 代理人:
- 摘要：
PROBLEM TO BE SOLVED: To provide a magnetic resonance imaging apparatus which can be safely stopped without giving damage to a gradient magnetic field power source by eliminating rapid current change out of specification which may be applied to the gradient magnetic field power source when stopping during imaging.
SOLUTION: Zero output command is carried out from a CPU to a gradient magnetic field pulse section. A current gradient magnetic field pulse output value is confirmed in the gradient magnetic field pulse output section. The output value is controlled so as to fall within the specification of the gradient magnetic field power source and is brought closer to zero output little by little. Scan can be safely stopped without giving damage to the gradient magnetic field power source when the gradient magnetic field pulse output value reaches zero by repeating the processing.
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- 来源网站：
- 中国工程科技知识中心
