公开(公告)号：US10132885B2

公开(公告)日：2018-11-20

申请号：US14975779

申请日：2015-12-19

申请人： Stephan Biber ,  Georg Pirkl

发明人： Stephan Biber ,  Georg Pirkl

IPC分类号： G01V3/00 ,  G01R33/36 ,  A61B5/00 ,  G01R33/30

摘要： A magnetic resonance tomography system includes a plurality of MRT plugs for connection of antenna elements, respectively, of one of a plurality of local coils. Due to at least one analog switch matrix, antenna elements respectively connected to fewer than all of the MRT plugs may be connected in an analog fashion to receive signal processing elements of one of a plurality of receive signal processing element blocks respectively having a plurality of receive signal processing elements. Between outputs of receive signal processing element blocks and an evaluation device of the magnetic resonance tomography system, a digital channel selection unit is provided. On an input side of the digital channel selection unit, the digital channel selection unit may be connected to antenna elements. Signals from fewer antenna elements are present at the output of the digital channel selection unit than at an input of the digital channel selection unit.

公开(公告)号：US20160195595A1

公开(公告)日：2016-07-07

申请号：US14975779

申请日：2015-12-19

申请人： Stephan Biber ,  Georg Pirkl

发明人： Stephan Biber ,  Georg Pirkl

IPC分类号： G01R33/36 ,  G01R33/30 ,  A61B5/00

CPC分类号： G01R33/3664 ,  A61B5/704 ,  G01R33/30 ,  G01R33/3621

摘要： A magnetic resonance tomography system includes a plurality of MRT plugs for connection of antenna elements, respectively, of one of a plurality of local coils. Due to at least one analog switch matrix, antenna elements respectively connected to fewer than all of the MRT plugs may be connected in an analog fashion to receive signal processing elements of one of a plurality of receive signal processing element blocks respectively having a plurality of receive signal processing elements. Between outputs of receive signal processing element blocks and an evaluation device of the magnetic resonance tomography system, a digital channel selection unit is provided. On an input side of the digital channel selection unit, the digital channel selection unit may be connected to antenna elements. Signals from fewer antenna elements are present at the output of the digital channel selection unit than at an input of the digital channel selection unit.

摘要翻译： 磁共振断层摄影系统包括多个用于分别连接多个局部线圈之一的天线元件的MRT插头。 由于至少一个模拟开关矩阵，分别连接到少于所有MRT插头的天线元件可以以模拟方式连接，以接收分别具有多个接收器的多个接收信号处理元件块中的一个的信号处理元件 信号处理元件。 在接收信号处理元件块的输出和磁共振断层摄影系统的评估装置之间，提供数字频道选择单元。 在数字频道选择单元的输入侧，数字频道选择单元可以连接到天线元件。 在数字信道选择单元的输出处存在来自较少天线元的信号，而不是数字信道选择单元的输入端。

公开(公告)号：US10338182B2

公开(公告)日：2019-07-02

申请号：US14657852

申请日：2015-03-13

申请人： Stephan Biber ,  Jan Bollenbeck

发明人： Stephan Biber ,  Jan Bollenbeck

IPC分类号： G01R33/36 ,  G01R33/54 ,  G01R33/58

摘要： A receiver assembly of a magnetic resonance (MR) system for generating MR recordings of an examination object includes a plurality of reception channels for receiving and amplifying MR signals from reception coils of the MR system connected therewith. A calibration data memory for storing calibration data for the plurality of reception channels is arranged on the receiver assembly. The receiver assembly includes a data link for transmitting the calibration data to the MR system.

公开(公告)号：US10114091B2

公开(公告)日：2018-10-30

申请号：US13929746

申请日：2013-06-27

申请人： Stephan Biber ,  Klaus Huber

发明人： Stephan Biber ,  Klaus Huber

IPC分类号： G01R33/36 ,  G01R33/28 ,  G01R33/341

摘要： Methods and a device for automatic detuning of a magnetic resonance tomography (MRT) local coil not connected to an MRT system are provided. The device has self-closing switches that are closed or open, depending on the presence of an MRT high-frequency field.

公开(公告)号：US09851423B2

公开(公告)日：2017-12-26

申请号：US14464073

申请日：2014-08-20

申请人： Stephan Biber ,  Ralf Ladebeck

发明人： Stephan Biber ,  Ralf Ladebeck

IPC分类号： G01R33/3875 ,  A61B5/05 ,  A61B5/055 ,  G01R33/44

CPC分类号： G01R33/3875 ,  A61B5/0522 ,  A61B5/055 ,  G01R33/445

摘要： The embodiments relate to methods and to magnetic resonance tomography systems having a shim system, where the shim system includes at least one global shim coil in an area surrounding the bore of the magnetic resonance tomography system, and where the shim system includes a local shim coil in a local coil of the magnetic resonance tomography system with a shim controller, where the shim controller embodied to define shim currents for the global shim coil and for the local shim coil.

公开(公告)号：US09697936B2

公开(公告)日：2017-07-04

申请号：US13847595

申请日：2013-03-20

申请人： Stephan Biber

发明人： Stephan Biber

IPC分类号： H01F1/01 ,  G01R33/34 ,  G01R33/565 ,  H01F1/00 ,  A61B5/055

CPC分类号： H01F1/01 ,  A61B5/0555 ,  G01R33/34 ,  G01R33/34007 ,  G01R33/565 ,  G01R33/56536 ,  H01F1/0018

摘要： A material for a magnetic resonance installation is provided, wherein the material includes a support material and a magnetic doping material which is admixed in a specific proportion. The doping material exhibits an anisotropic susceptibility. In respect of the anisotropic susceptibility, the doping material exhibits a mean orientation along a predefined direction. An essentially homogeneous intermixture of the support material and the doping material is present within a volume of the material which is smaller than 1 mm3.

公开(公告)号：US09664766B2

公开(公告)日：2017-05-30

申请号：US13631638

申请日：2012-09-28

申请人： Stephan Biber

发明人： Stephan Biber

IPC分类号： G01R35/00 ,  G01R33/385 ,  G01R33/58 ,  G01R33/3415

CPC分类号： G01R33/583 ,  G01R33/3415

摘要： A local coil with a plurality of magnetic resonance antenna elements and a plurality of test signal coupling units assigned individually or in groups to the plurality of magnetic resonance antenna elements is provided. In order to transmit a test signal, each test signal coupling unit of the plurality of test signal coupling units is connected via a star connection unit to a joint test signal connector and/or to a transmission cable of a transmit and/or receive chain of an assigned magnetic resonance antenna element of the plurality of magnetic resonance antenna elements.

公开(公告)号：US09588197B2

公开(公告)日：2017-03-07

申请号：US14030641

申请日：2013-09-18

申请人： Stephan Biber ,  Wolfgang Renz ,  Jan Ruff

发明人： Stephan Biber ,  Wolfgang Renz ,  Jan Ruff

IPC分类号： G01V3/00 ,  G01R33/34 ,  G01R33/36 ,  G01R33/385 ,  G01R33/3875

CPC分类号： G01R33/34 ,  G01R33/36 ,  G01R33/385 ,  G01R33/3875

摘要： A method and a magnetic resonance tomography (MRT) system are provided. The MRT system includes at least one cable. The MRT system is configured to transmit high frequency (HF) signals for at least one HF transmitting coil, and shim signals for at least one shim coil and/or gradient signals for at least one gradient coil in the at least one cable.

摘要翻译： 提供了一种方法和磁共振断层摄影（MRT）系统。 MRT系统包括至少一根电缆。 MRT系统被配置为传送用于至少一个HF发射线圈的高频（HF）信号，以及对于至少一个电缆中的至少一个梯度线圈的至少一个垫片线圈和/或梯度信号的垫片信号。

公开(公告)号：US09547054B2

公开(公告)日：2017-01-17

申请号：US13441900

申请日：2012-04-08

申请人： Stephan Biber ,  Daniel Driemel ,  Stephan Zink

发明人： Stephan Biber ,  Daniel Driemel ,  Stephan Zink

IPC分类号： G01R33/3415 ,  G01R33/34

CPC分类号： G01R33/34084 ,  G01R33/3415

摘要： A local coil for magnetic resonance applications includes a rigid housing that radially surrounds a substantially cylindrical examination volume. Arranged in the rigid housing is a transmitting coil, by which an excitation signal may be applied to the examination volume. An object to be examined arranged in the examination volume may be excited by the excitation signal for emitting a magnetic resonance signal. The local coil includes a size-variable structure, in which an antenna assembly for receiving the magnetic resonance signal emitted by the object to be examined is arranged. The size-variable structure is arranged in the examination volume and is connected to the rigid housing. The size-variable structure is soft and flexible.

摘要翻译： 用于磁共振应用的局部线圈包括径向围绕基本上圆柱形的检查体积的刚性壳体。 布置在刚性壳体中的是发射线圈，通过该线圈可以将激励信号施加到检查体积。 检查体中被布置的检查对象可以被用于发出磁共振信号的激励信号激发。 本地线圈包括尺寸可变的结构，其中布置有用于接收由被检查物体发射的磁共振信号的天线组件。 尺寸可变结构布置在检查体积中，并连接到刚性外壳。 尺寸可变结构柔软灵活。

公开(公告)号：US09297868B2

公开(公告)日：2016-03-29

申请号：US13277006

申请日：2011-10-19

申请人： Stephan Biber ,  Jürgen Nistler ,  Markus Vester

发明人： Stephan Biber ,  Jürgen Nistler ,  Markus Vester

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

CPC分类号： G01R33/3607 ,  G01R33/3415 ,  G01R33/3621

摘要： The present embodiments include an antenna circuit that is adapted to supply and/or read out a plurality of antenna elements of an antenna assembly of a magnetic resonance imaging system. The antenna elements are decoupled by phase shifter elements and supplied with signals by the phase shifter elements. The antenna circuit may also be used to detect signals that are received by the antenna elements.

摘要翻译： 本实施例包括适于提供和/或读出磁共振成像系统的天线组件的多个天线元件的天线电路。 天线元件由移相器元件解耦并由移相器元件提供信号。 天线电路还可以用于检测由天线元件接收的信号。