发明名称 |
Inflow MR angiography with spatially variable flip angles |
摘要 |
In a 3-D magnetic resonance flow imaging apparatus, the RF excitation field is applied so as to produce a spatial variation of the nuclear spin flip angle within the imaging volume. The spatial variation results in nuclear spins at the volume entrance plane experiencing a relatively small flip angle, and experiencing progressively larger flip angles as they progress into the volume.
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申请公布号 |
US5307014(A) |
申请公布日期 |
1994.04.26 |
申请号 |
US19910779228 |
申请日期 |
1991.10.18 |
申请人 |
SIEMENS MEDICAL SYSTEMS, INC. |
发明人 |
LAUB, GERHARD |
分类号 |
A61B5/055;G01N24/08;G01R33/48;G01R33/563;(IPC1-7):G01V3/00 |
主分类号 |
A61B5/055 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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