公开(公告)号：US20180120389A1

公开(公告)日：2018-05-03

申请号：US15794766

申请日：2017-10-26

申请人： Bruker BioSpin AG

发明人： Nicolas FREYTAG

IPC分类号： G01R33/34 ,  G01R33/36 ,  G01R33/341

CPC分类号： G01R33/34092 ,  G01R33/34023 ,  G01R33/34046 ,  G01R33/34061 ,  G01R33/341 ,  G01R33/3628 ,  G01R33/3635

摘要： An HF resonator assembly generates at least two independent alternating magnetic fields in a test volume of a magnetic resonance apparatus. The HF resonator assembly includes a first pair of flat coils that form a first HF resonator and comprise electrical conductor portions that surround a planar surface portion. The flat coils are arranged on opposing sides of the test volume, on coil support plates that are mutually parallel and in parallel with the longitudinal axis. A second pair of flat coils forms a second HF resonator on second coil support plates. The projections of the planar surface portions of the flat coils in each of the first pair of flat coils and the second pair of flat coils overlap in part, but not completely, when viewed in a direction perpendicular to the respective planar surface portions.

公开(公告)号：US20180081014A1

公开(公告)日：2018-03-22

申请号：US15267613

申请日：2016-09-16

申请人： GENERAL ELECTRIC COMPANY

发明人： JIAQI LI ,  ANDREW BYSHENK ,  CHINMOY GOSWAMI ,  TONGZHOU WANG

IPC分类号： G01R33/48 ,  G01R33/341

CPC分类号： G01R33/481 ,  A61B6/037 ,  A61B6/4417 ,  A61B6/5258 ,  G01R33/341

摘要： A PET-MRI system for imaging an object is provided. The PET-MRI system includes a magnetic resonance imaging sub-system, a positron emission tomography sub-system, an optical sensor, and a data processing controller. The magnetic resonance imaging sub-system includes a surface coil that acquires magnetic resonance signals from the object. The positron emission tomography sub-system acquires PET emissions from the object. The optical sensor detects at least one of a spatial location and a shape of the surface coil. The data processing controller communicates with the magnetic resonance imaging sub-system, the positron emission tomography sub-system, and the optical sensor, and utilizes at least one of the detected spatial location and the detected shape of the surface coil to correct the acquired PET emissions for attenuation.

公开(公告)号：US09903897B2

公开(公告)日：2018-02-27

申请号：US13974573

申请日：2013-08-23

申请人： Stephan Biber ,  Gerhard Metz

发明人： Stephan Biber ,  Gerhard Metz

IPC分类号： G01R33/36 ,  G01R33/3415 ,  G01R27/28 ,  G01R33/20 ,  G01R33/32 ,  G01R33/24 ,  G01R33/341 ,  G01R33/28

CPC分类号： G01R27/28 ,  G01R33/20 ,  G01R33/24 ,  G01R33/288 ,  G01R33/32 ,  G01R33/341 ,  G01R33/3415 ,  G01R33/36 ,  G01R33/3692

摘要： A device for identifying a local coil property of a local coil for a magnetic resonance imaging scanner includes at least one label configured to transmit at least one identity number wirelessly. The device also includes at least one reading unit with a reading-unit antenna. The reading unit is configured to receive the at least one identity number. The device includes an identification apparatus configured to identify a local coil property of the local coil based on the at least one received identity number.

公开(公告)号：US09880241B2

公开(公告)日：2018-01-30

申请号：US14643669

申请日：2015-03-10

申请人： Commissariat à l'énergie atomique et aux énergies alternatives

发明人： Guillaume Ferrand ,  Michel Luong

IPC分类号： G01R33/36 ,  G01R33/34 ,  G01R33/341 ,  G01R33/3415 ,  G01R33/422

CPC分类号： G01R33/3642 ,  G01R33/34 ,  G01R33/341 ,  G01R33/3415 ,  G01R33/3628 ,  G01R33/422

摘要： A patch resonator for nuclear magnetic resonance device includes a ground plane, a conductive element, a dielectric element positioned between the ground plane and the conductive element, the resonator being able to transmit a circularly polarized radiofrequency signal when the resonator is supplied by a first transmission line connected to the conductive element via a first connection point and able to receive alternatively a radiofrequency signal circularly polarized in the opposite direction when the resonator is connected to a second transmission line via a second connection point, the resonator including a switch mounted in parallel on each transmission line at a distance from the ground plane corresponding to (2n+1)λ/4 with n a natural integer, and λ the wavelength of the guided wave in the transmission line at the operating frequency of the resonator, the switch making it possible to electrically connect/disconnect the transmission lines from the conductive element.

公开(公告)号：US20170350950A1

公开(公告)日：2017-12-07

申请号：US15613196

申请日：2017-06-03

申请人： Jan Bollenbeck

发明人： Jan Bollenbeck

IPC分类号： G01R33/36 ,  G01R33/341 ,  H01P3/06 ,  H01P3/08

摘要： A transmitting device and a method for transmitting two high frequency signals for a magnetic resonance tomograph are provided. The transmitting device includes a shielded balanced transmission line, a first signal driver, and a second signal driver. The first signal driver and the second signal driver feed the first high frequency signal to a first conductor and the second high frequency signal to a second conductor of the balanced transmission line. A shielding of the balanced transmission line has an electrical connection to a common ground potential for the first signal driver and the second signal driver.

公开(公告)号：US20170281004A1

公开(公告)日：2017-10-05

申请号：US15477088

申请日：2017-04-01

申请人： Claudia Igney ,  Markus Petsch ,  Jörg Christopher Stapf

发明人： Claudia Igney ,  Markus Petsch ,  Jörg Christopher Stapf

IPC分类号： A61B5/00 ,  A61B5/055 ,  G01R33/341 ,  G01R33/48 ,  G01R33/30

CPC分类号： A61B5/0035 ,  A61B5/0033 ,  A61B5/004 ,  A61B5/055 ,  A61B5/0555 ,  A61B5/704 ,  A61B2560/0443 ,  G01R33/307 ,  G01R33/34007 ,  G01R33/341 ,  G01R33/4808

摘要： A method for performing an examination includes at least one magnetic resonance-based and at least one further examination step. An examination object is positioned during the entire examination on an upper side of a transfer plate that is positioned on an object table during the magnetic resonance-based examination. At least one coil holder that includes at least one local coil or by which at least one coil device is supported is used during the magnetic resonance-based examination step. The coil holder is arranged on the examination object during the magnetic resonance-based examination step exclusively. The coil holder is supported during the magnetic resonance-based examination steps by at least one mounting, into which a supporting section of the coil holder engages and/or which engages into the supporting section of the coil holder.

公开(公告)号：US20170212192A1

公开(公告)日：2017-07-27

申请号：US15481631

申请日：2017-04-07

申请人： Aspect Imaging Ltd.

发明人： Uri RAPOPORT ,  Thomas Rangi SUTTON ,  James William LUTHER ,  Andrea BESANA ,  Barbara TORNAGHI ,  Shmuel AZULAY ,  Irad LEISER

IPC分类号： G01R33/341 ,  A61G11/00 ,  A61F5/37

CPC分类号： G01R33/341 ,  A61B5/0555 ,  A61B90/14 ,  A61B2503/045 ,  A61F5/3707 ,  A61F5/3776 ,  A61G11/00

摘要： A neonate's immobilizer, said immobilizer comprising a lower torso segment having dorsal side and ventral side, an upper torso segment having the same, and a median navel segment in between, having a lateral side; said three segments are interconnected to form a continuous restraining shell along said dorsal side; said navel segment has a lateral side, wherein said navel segment's lateral side, lower and upper segments form an access aperture around said navel when restraining said neonate, said aperture is provided in size and shape for visual inspection and physical access to said neonate's navel.

公开(公告)号：US09689817B2

公开(公告)日：2017-06-27

申请号：US14386023

申请日：2013-03-19

申请人： Clear-Cut Medical Ltd.

发明人： Erez Golan

IPC分类号： G01N24/08 ,  G01R33/30 ,  G01R33/48 ,  G01R33/483 ,  G01R33/563 ,  G01R33/341 ,  G01R33/3415 ,  G01R33/381 ,  G01R33/383

CPC分类号： G01N24/082 ,  G01R33/30 ,  G01R33/341 ,  G01R33/3415 ,  G01R33/381 ,  G01R33/383 ,  G01R33/48 ,  G01R33/483 ,  G01R33/56375

摘要： A system for margin assessment of an ex-vivo tissue (25) is provided, including a magnetic resonance imaging (MRI) scanner (14) controlled by a control unit (12), and a tissue container (24) for holding a sample of an ex-vivo tissue (25). The MRI scanner (14) includes a coil-magnet assembly (31) including magnets (34), wherein the tissue (25), placed in the container (24), is placed under a constant static magnetic field (Bo), which is induced by the magnets (34), and the container (24) is positioned so the sensitive region is within a measured field of view (FOV) excited by one or more transmit/receive coils (38) operative to generate a time-varying RF B1 electro-magnetic field pointing towards the tissue (25), and wherein the container (24) is fixed on a moving table (40).

公开(公告)号：US09606207B2

公开(公告)日：2017-03-28

申请号：US13673624

申请日：2012-11-09

申请人： SAMSUNG ELECTRONICS CO., LTD. ,  KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION

发明人： Jin-young Hwang ,  Su-hyung Park ,  Jaeseok Park

IPC分类号： G01V3/00 ,  G01R33/54 ,  G01R33/341 ,  G01R33/56 ,  G01R33/561

CPC分类号： G01R33/54 ,  G01R33/341 ,  G01R33/5608 ,  G01R33/5611

摘要： A method of generating a magnetic resonance image includes: generating composite data by using a plurality of data sets acquired from a plurality of coils, based on coil characteristics of the plurality of coils; generating first interpolation data by interpolating the composite data; generating a plurality of filtered data sets by filtering the first interpolation data with respect to a plurality of frequency bands; and generating the magnetic resonance image by using the plurality of filtered data sets.

公开(公告)号：US20160327619A1

公开(公告)日：2016-11-10

申请号：US15109555

申请日：2015-01-02

申请人： Samsung Electronics Co., Ltd. ,  Samsung Life Public Welfare Foundation

发明人： Kyoungnam KIM ,  Yeon Hyeon CHOE

IPC分类号： G01R33/34 ,  G01R33/341 ,  G01R33/422

CPC分类号： G01R33/34084 ,  G01R33/341 ,  G01R33/422

摘要： An RF coil structure used for a magnetic resonance imaging (MRI) system includes an RF shield, an RF coil provided inside the RF shield, and a high dielectric material arranged between the RF shield and the RF coil, in which an interval between the RF shield and the RF coil is changed or a thickness of the high dielectric material is changed.

摘要翻译： 用于磁共振成像（MRI）系统的RF线圈结构包括RF屏蔽，RF屏蔽内部设置的RF线圈和布置在RF屏蔽和RF线圈之间的高介电材料，其中RF 屏蔽和RF线圈被改变或高介电材料的厚度改变。