Invention Grant
US08686726B2 RF shimming with RF power regularization using a multi-channel RF transmit system for MRI
失效
使用多通道RF传输系统进行RF功率正弦化的RF匀场扫描
- Patent Title: RF shimming with RF power regularization using a multi-channel RF transmit system for MRI
- Patent Title (中): 使用多通道RF传输系统进行RF功率正弦化的RF匀场扫描
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Application No.: US13063477Application Date: 2009-09-15
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Publication No.: US08686726B2Publication Date: 2014-04-01
- Inventor: Ulrich Katscher , Ingmar Graesslin
- Applicant: Ulrich Katscher , Ingmar Graesslin
- Applicant Address: NL Eindhoven
- Assignee: Koninklijke Philips N.V.
- Current Assignee: Koninklijke Philips N.V.
- Current Assignee Address: NL Eindhoven
- Priority: EP08164503 20080917
- International Application: PCT/IB2009/054014 WO 20090915
- International Announcement: WO2010/032193 WO 20100325
- Main IPC: G01R33/44
- IPC: G01R33/44
Abstract:
A magnetic resonance system includes a magnetic resonance scanner having a multi-channel RF transmit system; an RF shimming processor configured to compute complex amplitude values for operative channels of the multi-channel RF transmit system based on a figure-of-merit including a weighted combination of a B1 uniformity measure and a total power measure. An RF transmit sub-system is configured to drive the multi-channel RF transmit system to excite magnetic resonance using the complex amplitude values computed by the RF shimming processor for the operative channels of the multi-channel RF transmit system.
Public/Granted literature
- US20110163749A1 RF SHIMMING WITH RF POWER REGULARIZATION USING A MULTI-CHANNEL RF TRANSMIT SYSTEM FOR MRI Public/Granted day:2011-07-07
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