发明名称 |
SAR REDUCTION IN PARALLEL TRANSMISSION BY K-SPACE DEPENDENT RF PULSE SELECTION |
摘要 |
<p>When generating an MR image using a multi-channel transmit coil arrangement, SAR is reduced by employing a number of different RF pulses in a single scan. Each RF pulse exhibits a different performance and/or accuracy, resulting in different RF pulse- specific SAR values. As a result, the RF pulses differ slightly in actual excitation pattern, B1 waveform and/or k-space trajectory, etc. The average SAR over a single scan is thus reduced compared to a fixed RF pulse, without compromising image quality.</p> |
申请公布号 |
WO2010113131(A1) |
申请公布日期 |
2010.10.07 |
申请号 |
WO2010IB51423 |
申请日期 |
2010.04.01 |
申请人 |
KONINKLIJKE PHILIPS ELECTRONICS N.V.;PHILIPS INTELLECTUAL PROPERTY & STANDARDS GMBH;BOERNERT, PETER;GRAESSLIN, INGMAR;NEHRKE, KAY |
发明人 |
BOERNERT, PETER;GRAESSLIN, INGMAR;NEHRKE, KAY |
分类号 |
G01R33/3415 |
主分类号 |
G01R33/3415 |
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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