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公开(公告)号：US11774534B2
公开(公告)日：2023-10-03
申请号：US17653865
申请日：2022-03-07
发明人： Xiaomao Gong
IPC分类号： G01V3/00 , G01R33/56 , G01R33/54 , G01R33/483 , G01R33/565 , A61B5/055 , G01R33/561 , G01R33/567 , G01R33/48
CPC分类号： G01R33/5608 , A61B5/055 , G01R33/482 , G01R33/4835 , G01R33/543 , G01R33/5613 , G01R33/5615 , G01R33/5673 , G01R33/56509 , G01R33/56554
摘要： A method for magnetic resonance imaging (MRI) may include cause, based on a pulse sequence, a magnetic resonance (MR) scanner to perform a scan on an object. The pulse sequence may include a steady-state sequence and an acquisition sequence that is different from the steady-state sequence. The steady-state sequence may correspond to a steady-state phase of the scan in which no MR data is acquired. The acquisition sequence may correspond to an acquisition phase of the scan in which MR data of the object is acquired. The method may also include generating one or more images of the object based on the MR data.
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公开(公告)号：US11269035B2
公开(公告)日：2022-03-08
申请号：US16861332
申请日：2020-04-29
发明人： Xiaomao Gong
IPC分类号： G01V3/00 , G01R33/56 , G01R33/54 , G01R33/483 , G01R33/565 , A61B5/055 , G01R33/561 , G01R33/567 , G01R33/48
摘要： A method for magnetic resonance imaging (MRI) may include cause, based on a pulse sequence, a magnetic resonance (MR) scanner to perform a scan on an object. The pulse sequence may include a steady-state sequence and an acquisition sequence that is different from the steady-state sequence. The steady-state sequence may correspond to a steady-state phase of the scan in which no MR data is acquired. The acquisition sequence may correspond to an acquisition phase of the scan in which MR data of the object is acquired. The method may also include generating one or more images of the object based on the MR data.
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公开(公告)号：US12032045B2
公开(公告)日：2024-07-09
申请号：US17818342
申请日：2022-08-08
发明人： Xiaomao Gong
CPC分类号： G01R33/288 , G01R33/38 , G01R33/543 , A61B5/0035 , A61B5/055
摘要： The present disclosure directs to a system and method for configuring a pulse sequence in MRI. The method may include obtaining a preliminary gradient pulse configuration, wherein the preliminary gradient pulse configuration relates to a portion of a pulse sequence to be implemented by one or more coils of an MR scanner, the pulse sequence including a plurality of gradient pulses. The method may also include determining a global peripheral nerve stimulation (PNS) value of the preliminary gradient pulse configuration according to a PNS model. The method may further include determining a target gradient pulse configuration based at least in part on the preliminary gradient pulse configuration, the global PNS value, and a PNS threshold.
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公开(公告)号：US11408952B2
公开(公告)日：2022-08-09
申请号：US16868554
申请日：2020-05-07
发明人： Xiaomao Gong
摘要： The present disclosure directs to a system and method for configuring a pulse sequence in MRI. The method may include obtaining a preliminary gradient pulse configuration, wherein the preliminary gradient pulse configuration relates to a portion of a pulse sequence to be implemented by one or more coils of an MR scanner, the pulse sequence including a plurality of gradient pulses. The method may also include determining a global peripheral nerve stimulation (PNS) value of the preliminary gradient pulse configuration according to a PNS model. The method may further include determining a target gradient pulse configuration based at least in part on the preliminary gradient pulse configuration, the global PNS value, and a PNS threshold.
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