发明授权
US08274285B2 Modification of frequency response profiles of steady state free precession for magnetic resonance imaging (MRI)
有权
用于磁共振成像（MRI）的稳态自由进动的频率响应曲线的修改
- 专利标题： Modification of frequency response profiles of steady state free precession for magnetic resonance imaging (MRI)
- 专利标题（中）： 用于磁共振成像（MRI）的稳态自由进动的频率响应曲线的修改
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申请号： US12732678申请日： 2010-03-26
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公开(公告)号： US08274285B2公开(公告)日： 2012-09-25
- 发明人: Oliver Bieri , Klaus Scheffler
- 申请人： Oliver Bieri , Klaus Scheffler
- 申请人地址： CH Basel
- 专利权人： University Hospital of Basel
- 当前专利权人： University Hospital of Basel
- 当前专利权人地址： CH Basel
- 代理机构： Agris & von Natzmer LLP
- 代理商 Joyce von Natzmer
- 主分类号： G01V3/00
- IPC分类号： G01V3/00
摘要：
Apparatus and methods for modification of the frequency response profile of steady-state free precession (SSFP) type of magnetic resonance imaging (MRI) sequences. Using alternating dephasing moments within succeeding radiofrequency (RF) excitation pulses, the frequency response function of SSFP sequences can be modified to different shapes such as near triangular or bell shaped. The particular response function as produced by alternating dephasing moments can be used, among others, for functional brain MRI, MR spectroscopy or spatial encoding.
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