发明申请
US20140055137A1 MAGNETIC RESONANCE IMAGING APPARATUS AND ECHO SIGNAL MEASUREMENT METHOD
有权
磁共振成像装置和ECHO信号测量方法
- 专利标题: MAGNETIC RESONANCE IMAGING APPARATUS AND ECHO SIGNAL MEASUREMENT METHOD
- 专利标题(中): 磁共振成像装置和ECHO信号测量方法
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申请号: US14113486申请日: 2012-05-09
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公开(公告)号: US20140055137A1公开(公告)日: 2014-02-27
- 发明人: Yasuhiro Kamada , Masahiro Takizawa
- 申请人: Yasuhiro Kamada , Masahiro Takizawa
- 申请人地址: JP Tokyo
- 专利权人: HITACHI MEDICAL CORPORATION
- 当前专利权人: HITACHI MEDICAL CORPORATION
- 当前专利权人地址: JP Tokyo
- 优先权: JP2011-113890 20110520
- 国际申请: PCT/JP2012/061837 WO 20120509
- 主分类号: G01R33/561
- IPC分类号: G01R33/561 ; G06T11/00
摘要:
In order to improve contrast in non-orthogonal measurement without sacrificing speed, in imaging which combines a fast imaging sequence for acquiring a plurality of echo signals in one shot with non-orthogonal system measurement, the shape of a blade in which an echo train of each shot is arranged is a fan shape having the radius and the arc of a circle centered on the origin of a k space. At this time, echo signal arrangement is controlled such that an echo signal for desired TE of each fan-shaped blade is arranged in a low spatial frequency region of the k space.
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