磁気共鳴装置
- 专利权人:
- 株式会社東芝
- 发明人:
- 冨羽 貞範
- 申请号：
- JP2009000927
- 公开号：
- JP5342243B2
- 申请日:
- 2009.01.06
- 申请国别(地区):
- JP
- 年份:
- 2013
- 代理人:
- 摘要：
PROBLEM TO BE SOLVED: To increase the uniformity of an RF magnetic field by a multi-channel transmission while ensuring the flexibility in the activity situation of a coil for transmission/receipt.
SOLUTION: An RF coil unit 6c is formed into an array type having a plurality of coil elements. A transmitting section 7 forms an RF pulse which is fed to the RF coil unit 6c in order to superimpose a high frequency magnetic field on a static magnetic field and a gradient magnetic field. A receiving section 9 detects a magnetic resonance signal generated in a subject 200 by the working of the static magnetic field, the gradient magnetic field and the high-frequency magnetic field by using the RF coil unit 6c. A main control section 17 decides the position and the gradient in each static magnetic field of the plurality of coil elements. The main control section 17 and the transmitting section 7 regulate the amplitude and the phase of the RF pulse which is fed to each of the plurality of coil elements in order to increase the uniformity of the high-frequency magnetic field according to the decided position and the gradient.
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- 来源网站：
- 中国工程科技知识中心
