公开(公告)号：US20140132261A1

公开(公告)日：2014-05-15

申请号：US14075753

申请日：2013-11-08

Applicant: Samsung Electronics Co., Ltd.

Inventor： Young Beom Kim ,  Yeunchul Ryu ,  Jaemock Yi

IPC: G01R33/483 ,  G06T15/08

CPC classification number: G01R33/4835 ,  A61B5/055 ,  G01R33/5611

Abstract: A magnetic resonance imaging (MRI) method includes defining a plurality of sub-volumes so that each of the sub-volumes includes a plurality of sequential slices of a plurality of slices that make up a volume of a subject, wherein the sub-volumes are divided into a plurality of groups so that any neighboring sub-volumes belong to different groups; applying radio-frequency (RF) pulses including a plurality of frequency components and a selection gradient to the subject to simultaneously excite a plurality of sub-volumes in each of the groups; performing three-dimensional (3D) encoding on each of the excited sub-volumes so that only some slices of the plurality of slices in each of the excited sub-volumes are encoded in a slice direction; acquiring magnetic resonance signals from the encoded sub-volumes; and reconstructing the acquired magnetic resonance signals into image data corresponding to each of the plurality of slices in each of the encoded sub-volumes.

Abstract translation: 磁共振成像（MRI）方法包括定义多个子体积，使得每个子体积包括构成受试者体积的多个切片的多个顺序切片，其中子体积为 分为多个组，使得任何相邻的子卷属于不同的组; 将包括多个频率分量和选择梯度的射频（RF）脉冲施加到对象以同时激发每个组中的多个子体积; 在每个激发的子体积上执行三维（3D）编码，使得每个激励子体积中的多个切片中的一些切片在切片方向上被编码; 从编码子体积获取磁共振信号; 以及将所获取的磁共振信号重构成与每个所述编码子卷中的所述多个片中的每一个相对应的图像数据。

公开(公告)号：US10663540B2

公开(公告)日：2020-05-26

申请号：US14836318

申请日：2015-08-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Young Beom Kim ,  Yeunchul Ryu

IPC: G01R33/3415 ,  G01R33/34

Abstract: A receiving coil for a magnetic resonance imaging (MRI) apparatus has a cylindrical form including ring-type support members or a cylinder-type support member having open ends, and at least one coil element connected to the support member(s). The receiving coil is configured to receive magnetic resonance signals.

公开(公告)号：US20140132264A1

公开(公告)日：2014-05-15

申请号：US14079199

申请日：2013-11-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Young Beom Kim ,  Yeunchul Ryu ,  Jaemock Yi

IPC: G01R33/483

CPC classification number: G01R33/4835 ,  G01R33/4822 ,  G01R33/4826 ,  G01R33/5611

Abstract: A magnetic resonance imaging (MRI) method includes: applying radio-frequency (RF) pulses comprising a plurality of frequency components and a selection gradient to a subject to simultaneously excite a plurality of sub-volumes in each of a plurality of groups, wherein a plurality of sub-volumes making up a volume of the subject are divided into the plurality of groups so that any neighboring sub-volumes belong to different groups; performing three-dimensional (3D) encoding on each of the excited sub-volumes using a plurality of encoding methods; acquiring magnetic resonance signals from the encoded sub-volumes; and reconstructing the acquired magnetic resonance signals into image data corresponding to each of the encoded sub-volumes.

Abstract translation: 磁共振成像（MRI）方法包括：对受试者施加包括多个频率分量和选择梯度的射频（RF）脉冲，以同时激励多个组中的每一个中的多个子体积，其中a 构成被摄体的体积的多个子体积被分成多个组，使得任何相邻的子体积属于不同的组; 使用多种编码方法对每个激发的子体积执行三维（3D）编码; 从编码子体积获取磁共振信号; 以及将所获取的磁共振信号重建为与每个编码子体积对应的图像数据。

公开(公告)号：US09958523B2

公开(公告)日：2018-05-01

申请号：US14079199

申请日：2013-11-13

Applicant: Samsung Electronics Co., Ltd.

Inventor： Young Beom Kim ,  Yeunchul Ryu ,  Jaemock Yi

IPC: G01V3/00 ,  G01R33/483 ,  G01R33/48 ,  G01R33/561

CPC classification number: G01R33/4835 ,  G01R33/4822 ,  G01R33/4826 ,  G01R33/5611

Abstract: A magnetic resonance imaging (MRI) method includes: applying radio-frequency (RF) pulses comprising a plurality of frequency components and a selection gradient to a subject to simultaneously excite a plurality of sub-volumes in each of a plurality of groups, wherein a plurality of sub-volumes making up a volume of the subject are divided into the plurality of groups so that any neighboring sub-volumes belong to different groups; performing three-dimensional (3D) encoding on each of the excited sub-volumes using a plurality of encoding methods; acquiring magnetic resonance signals from the encoded sub-volumes; and reconstructing the acquired magnetic resonance signals into image data corresponding to each of the encoded sub-volumes.

公开(公告)号：US09791528B2

公开(公告)日：2017-10-17

申请号：US14075753

申请日：2013-11-08

Applicant: Samsung Electronics Co., Ltd.

Inventor： Young Beom Kim ,  Yeunchul Ryu ,  Jaemock Yi

IPC: G01V3/00 ,  G01R33/483 ,  A61B5/055 ,  G01R33/561

CPC classification number: G01R33/4835 ,  A61B5/055 ,  G01R33/5611

Abstract: A magnetic resonance imaging (MRI) method includes defining a plurality of sub-volumes so that each of the sub-volumes includes a plurality of sequential slices of a plurality of slices that make up a volume of a subject, wherein the sub-volumes are divided into a plurality of groups so that any neighboring sub-volumes belong to different groups; applying radio-frequency (RF) pulses including a plurality of frequency components and a selection gradient to the subject to simultaneously excite a plurality of sub-volumes in each of the groups; performing three-dimensional (3D) encoding on each of the excited sub-volumes so that only some slices of the plurality of slices in each of the excited sub-volumes are encoded in a slice direction; acquiring magnetic resonance signals from the encoded sub-volumes; and reconstructing the acquired magnetic resonance signals into image data corresponding to each of the plurality of slices in each of the encoded sub-volumes.

公开(公告)号：US09964618B2

公开(公告)日：2018-05-08

申请号：US14059808

申请日：2013-10-22

Applicant: Samsung Electronics Co., Ltd.

Inventor： Young Beom Kim ,  Yeunchul Ryu ,  Jong-bum Son ,  Jaemock Yi ,  Seong-deok Lee

IPC: G01R33/54 ,  G01R33/483 ,  G01R33/561

CPC classification number: G01R33/543 ,  G01R33/4835 ,  G01R33/5611

Abstract: A method of magnetic resonance imaging (MRI) includes applying radio frequency (RF) pulses including a plurality of frequency components and a selection gradient to a target to simultaneously excite a plurality of sub-volumes included in each of a plurality of groups, wherein neighboring sub-volumes of all sub-volumes constituting a volume of the target belong to different groups; acquiring magnetic resonance signals from the plurality of sub-volumes by performing 3D encoding on each of the excited sub-volumes; and reconstructing the acquired magnetic resonance signals into image data corresponding to each of the plurality of sub-volumes.

公开(公告)号：US20140197833A1

公开(公告)日：2014-07-17

申请号：US14101999

申请日：2013-12-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yeunchul Ryu ,  Young Beom Kim ,  Jaemock Yi ,  Seong-deok Lee

IPC: G01R33/34

CPC classification number: G01R33/34084 ,  G01R33/288 ,  G01R33/34046 ,  G01R33/341 ,  G01R33/3415 ,  G01R33/3453

Abstract: a radio frequency (RF) coil device includes a plurality of RF coil elements configured to generate an RF magnetic field, and a support member configured to support the plurality of RF coil elements so that at least one of the plurality of RF coil elements is movable.

Abstract translation: 射频（RF）线圈装置包括被配置为产生RF磁场的多个RF线圈元件，以及被配置为支撑多个RF线圈元件的支撑构件，使得多个RF线圈元件中的至少一个可移动 。

公开(公告)号：US09618595B2

公开(公告)日：2017-04-11

申请号：US14060723

申请日：2013-10-23

Applicant: Samsung Electronics Co., Ltd. ,  Korea University Research and Business Foundation

Inventor： Young Beom Kim ,  Yeunchul Ryu ,  Jaemock Yi ,  Chang-Hyun Oh

IPC: G01R33/483

CPC classification number: G01R33/4835

Abstract: A method and apparatus for generating a magnetic resonance image including applying to a target first radio frequency (RF) pulses having phases and different frequencies to excite a plurality of sub-volumes constituting a volume of the target, and acquiring first magnetic resonance signals from the plurality of sub-volumes, and applying to the target second RF pulses having the same frequencies as the frequencies of the first RF pulses and phases at least one of which is different from the phases of the first RF pulses, and acquiring second magnetic resonance signals from the plurality of sub-volumes. Also, data may be generated based on the first and second magnetic resonance signals.

公开(公告)号：US09606203B2

公开(公告)日：2017-03-28

申请号：US14101999

申请日：2013-12-10

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yeunchul Ryu ,  Young Beom Kim ,  Jaemock Yi ,  Seong-deok Lee

IPC: G01R33/34 ,  G01R33/28 ,  G01R33/341 ,  G01R33/3415 ,  G01R33/345

CPC classification number: G01R33/34084 ,  G01R33/288 ,  G01R33/34046 ,  G01R33/341 ,  G01R33/3415 ,  G01R33/3453

Abstract: a radio frequency (RF) coil device includes a plurality of RF coil elements configured to generate an RF magnetic field, and a support member configured to support the plurality of RF coil elements so that at least one of the plurality of RF coil elements is movable.

公开(公告)号：US20140203805A1

公开(公告)日：2014-07-24

申请号：US14060723

申请日：2013-10-23

Applicant: Korea University Research and Business Foundation ,  Samsung Electronics Co., Ltd.

Inventor： Young Beom Kim ,  Yeunchul Ryu ,  Jaemock Yi ,  Chang-Hyun Oh

IPC: G01R33/483

CPC classification number: G01R33/4835

Abstract: A method and apparatus for generating a magnetic resonance image including applying to a target first radio frequency (RF) pulses having phases and different frequencies to excite a plurality of sub-volumes constituting a volume of the target, and acquiring first magnetic resonance signals from the plurality of sub-volumes, and applying to the target second RF pulses having the same frequencies as the frequencies of the first RF pulses and phases at least one of which is different from the phases of the first RF pulses, and acquiring second magnetic resonance signals from the plurality of sub-volumes. Also, data may be generated based on the first and second magnetic resonance signals.

Abstract translation: 一种用于产生磁共振图像的方法和装置，包括应用具有相位和不同频率的目标第一射频（RF）脉冲以激励构成目标体积的多个子体积，以及从所述第一射频 多个子体积，并且施加到具有与第一RF脉冲的频率相同的频率的目标第二RF脉冲和其中至少一个与第一RF脉冲的相位不同的相位，并且获取第二磁共振信号 从多个子卷。 此外，可以基于第一和第二磁共振信号来生成数据。