发明授权
- 专利标题: Method to determine the actual flip angle and method to adjust the transmitter voltage in a magnetic resonance apparatus
- 专利标题(中): 确定实际翻转角的方法和调整磁共振装置中发射机电压的方法
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申请号: US13422227申请日: 2012-03-16
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公开(公告)号: US09476958B2公开(公告)日: 2016-10-25
- 发明人: Alto Stemmer
- 申请人: Alto Stemmer
- 申请人地址: DE Munich
- 专利权人: Siemens Aktiengesellschaft
- 当前专利权人: Siemens Aktiengesellschaft
- 当前专利权人地址: DE Munich
- 代理机构: Schiff Hardin LLP
- 优先权: DE102011005649 20110316
- 主分类号: G01R33/48
- IPC分类号: G01R33/48 ; G01R33/34 ; G01R33/563 ; A61B5/055 ; G01R33/58
摘要:
In a method to determine the actual flip angle in magnetic resonance tomography with continuous table feed, at least one echo signal is generated by a pulse sequence from which an actual flip angle is produced with at least one RF pulse of the sequence, and a gradient scheme is used in the direction of the continuous travel of the examination subject, the gradient scheme being designed such that its first moment disappears at the points in time of each echo signals used for the determination of the flip angle. Such a pulse sequence is also used in a method for adjustment of the transmitter voltage for RF pulses given continuous travel of the examination subject in a magnetic resonance apparatus.
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