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Time-efficient 4D magnetic resonance imaging
专利权人:
コーニンクレッカ フィリップス エヌ ヴェ
发明人:
ニールセン ティム,クルーガー サッチャ
申请号:
JP2016550758
公开号:
JP2017506101A
申请日:
2015.02.03
申请国别(地区):
JP
年份:
2017
代理人:
摘要:
A method is provided for operating a respiratory-guided magnetic resonance imaging system 10 for triggering magnetic resonance image acquisition, the magnetic resonance imaging system 10 being connectable to a respiratory monitoring device 46, wherein the respiratory monitoring device 46 is an output. The level of the signal is configured to provide an output signal 48 that is representative of the respiratory state of the subject 20 of interest, and the method is based on the output signal 48 obtained by the respiratory monitoring device 46 while performing magnetic resonance image acquisition. Adapting at least one parameter of the interleaved acquisition scheme if the breathing irregularity of the subject 20 of interest appears, the applied parameter acquiring at least one magnetic resonance image The next respiratory condition of the subject 20 of interest to trigger for At least one of: an idle time specific to a radio frequency pulse sequence; and a time sequence of at least one slice of a plurality of slices to be imaged of at least a portion of the subject of interest 20; and magnetic resonance Suspending the execution of image acquisition 62 and resuming the execution of magnetic resonance image acquisition according to the interleaved acquisition scheme using the adapted parameters. A respiratory-guided magnetic resonance imaging system 10 having a control unit 26 configured to perform each step 56-64 in the disclosed method embodiment, and a software module 44 that implements the disclosed method embodiment. A software module, wherein the method steps 56-64 performed are converted into program code that can be implemented in the memory unit 30 and can be executed by the processor unit 32 of the breath-guided magnetic resonance imaging system 10. Provided.磁気共鳴画像取得をトリガすることに関して呼吸ガイドされる磁気共鳴イメージングシステム10を作動させる方法が提供され、磁気共鳴イメージングシステム10が、呼吸モニタリング装置46に接続可能であり、呼吸モニタリング装置46が、出力信号のレベルが関心のある被検体20の呼吸状態を表現する出力信号48を提供するように構成され、方法は、磁気共鳴画像取得を実行する間に呼吸モニタリング装置46によって得られる出力信号48
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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