公开(公告)号：EP2917751A1

公开(公告)日：2015-09-16

申请号：EP13798395.3

申请日：2013-11-04

申请人： Koninklijke Philips N.V. ,  Philips GmbH

发明人： WIRTZ, Daniel ,  VERNICKEL, Peter ,  MAZURKEWITZ, Peter ,  LEUSSLER, Christoph

IPC分类号： G01R33/34 ,  G01R33/36 ,  G01R33/563

CPC分类号： G01R33/34084 ,  A61B5/055 ,  G01R33/3415 ,  G01R33/3692 ,  G01R33/56358

摘要： The present invention provides a rheology module (200) for use in a magnetic resonance (MR) rheology imaging system (110), whereby the rheology module (200) is adapted to introduce mechanical oscillations into a subject of interest (120), comprising a housing (202), a mechanical oscillator unit (204), which extends at least partially outside the housing (202) and is movable relative to the housing (202), and a transducer (206) for moving the oscillator unit (204), whereby the rheology module (200) comprises at least one radio frequency (RF) antenna unit (210, 212), which comprises at least one RF coil (214, 216). With the RF antenna device integrated into the rheology module, an antenna placement close to a region of interest (ROI) can be achieved to improve the MR imaging capabilities of a MR rheology imaging system. Thus, imaging of the ROI can be performed more efficiently. Furthermore, connection and cabling can be facilitated, since only one module has to be connected to generate the oscillation and to operate the RF antenna device.

公开(公告)号：EP2905631A1

公开(公告)日：2015-08-12

申请号：EP14191760.9

申请日：2008-12-19

申请人： T2 Biosystems, Inc.

发明人： Lowery, Thomas J. ,  Prado, Pablo J.

IPC分类号： G01R33/28 ,  G01R33/34 ,  G01R33/341 ,  G01R33/38 ,  G01R33/465 ,  A61B5/055 ,  A61B5/00 ,  G01R33/36

CPC分类号： G01R33/285 ,  A61B5/055 ,  A61B5/413 ,  G01R33/281 ,  G01R33/34046 ,  G01R33/34084 ,  G01R33/341 ,  G01R33/36 ,  G01R33/3692 ,  G01R33/3808 ,  G01R33/465

摘要： Nuclear magnetic resonance systems and methods of use thereof are provided. The systems employ implantable radiofrequency coils (105) and optionally implantable magnets (101). The systems can employ weak permanent magnets and/or permanent magnets that provide magnetic fields that are much less homogeneous than in conventional systems. This allows, for example, for inexpensive and simple probeheads for nuclear magnetic resonance relaxometry with suitable biosensors. The methods of the present invention allow in vivo magnetic resonance measurements and, in particular, monitoring of analytes and determination of medical diagnostic information, for example, based on determined magnetic resonance parameters.

摘要翻译： 核磁共振系统和其使用方法提供。 该系统采用可植入射频线圈（105）和任选的可植入的磁体（101）。 该系统可以采用弱永磁体和/或永磁体确实提供magneticfields确实比传统的系统少得多均匀。 这允许，例如，用于与合适的生物传感器核磁共振弛豫便宜和简单的测试头。 本发明的方法允许在体内磁共振测量和，尤其是，分析物和医疗诊断信息确定的监测，例如，基于确定的开采磁共振参数。

公开(公告)号：EP2885648A1

公开(公告)日：2015-06-24

申请号：EP13744482.4

申请日：2013-07-25

申请人： Koninklijke Philips N.V. ,  Philips GmbH

发明人： UHLEMANN, Falk

IPC分类号： G01R33/48 ,  G01R33/34 ,  A61B5/055

CPC分类号： A61B5/0555 ,  A61G7/0755 ,  A61N2005/1055 ,  G01R33/30 ,  G01R33/307 ,  G01R33/34 ,  G01R33/34007 ,  G01R33/34084 ,  G01R33/4808

摘要： A patient bed, particularly for use in a magnetic resonance (MR) imaging-guided therapy system employing at least one out of ionizing radiation and ultrasound energy for therapy purposes, having an abdominal support portion (14) for supporting an abdominal region (18) of a subject (12) during magnetic resonance-guided therapy, comprising at least one magnetic resonance (MR) radio frequency (RF) antenna device (48) arranged at a top side (26) of the patient bed in a patient bed center region (30), with at least one MR RF antenna (50) that is enclosed in a housing (52) having two side surfaces (54) opposing each other, wherein, in at least one state of operation, each side surface (54) of the MR RF antenna device (48) is provided to be proximal to an inner side of each of the subject's legs (22), and wherein, in the at least one state of operation, the MR RF antenna device (48) is provided to be proximal to a subject's perineum (20); an MR radio frequency (RF) antenna device (48) therefor; and a therapy system employing at least one out of ionizing radiation and ultrasound energy for therapy purposes that is guided by an MR imaging device with a patient bed having at least one MR radio frequency (RF) antenna device (48).

公开(公告)号：EP2371281B1

公开(公告)日：2015-04-29

申请号：EP11005214.9

申请日：1999-11-04

申请人： The John Hopkins University

发明人： Halperin, Henry R. ,  Berger, Ronald D. ,  Atalar, Ergin ,  McVeigh, Elliot R. ,  Lardo, Albert ,  Calkins, Hugh ,  Lima, Joao

IPC分类号： A61B5/055 ,  A61B18/14 ,  A61B19/00 ,  G01R33/28 ,  G01R33/34 ,  A61B5/00 ,  G01R33/48 ,  G01R33/56

CPC分类号： A61B5/055 ,  A61B5/415 ,  A61B5/418 ,  A61B18/1492 ,  A61B90/36 ,  A61B2017/00039 ,  A61B2017/00053 ,  A61B2090/374 ,  G01R33/285 ,  G01R33/34084 ,  G01R33/4808 ,  G01R33/5601

公开(公告)号：EP2859372A1

公开(公告)日：2015-04-15

申请号：EP13734198.8

申请日：2013-05-27

申请人： Koninklijke Philips N.V. ,  Philips GmbH

发明人： MAZURKEWITZ, Peter ,  LEUSSLER, Christoph

IPC分类号： G01R33/34

CPC分类号： G01R33/38 ,  A61B5/055 ,  A61B5/4381 ,  G01R33/34 ,  G01R33/34053 ,  G01R33/34084 ,  G01R33/3415 ,  G01R33/36 ,  G01R33/3678 ,  G01R33/3692 ,  G01R33/3806

摘要： An inductively coupled magnetic resonance local prostate radio frequency coil (10) includes at least two connected electrically conductive loops (50) and an interface device (80). The at least two connected electrically conductive loops (50) are tuned to receive magnetic resonance radio frequency signal components along an axis of a subject disposed in a main magnetic field (B0) orthogonal to the axis of the subject (i.e. an open MRI system having a vertical magnetic field) and generate one or more currents indicative of the received magnetic resonance signal components. The interface device (80) connected to the at least two conductive loops transmits measures of the one or more currents to a signal processing system.

公开(公告)号：EP2534499B1

公开(公告)日：2015-04-08

申请号：EP11708065.5

申请日：2011-02-07

申请人： Commissariat à l'Énergie Atomique et aux Énergies Alternatives

发明人： FERRAND, Guillaume ,  LUONG, Michel ,  FRANCE, Alain

IPC分类号： G01R33/34 ,  G01R33/36 ,  G01R33/422 ,  G01R33/345 ,  H01P5/10 ,  G01N24/08 ,  G01R33/3415

CPC分类号： H01P5/10 ,  G01R33/34076 ,  G01R33/3415 ,  G01R33/3456 ,  G01R33/3628 ,  G01R33/365 ,  G01R33/3685 ,  G01R33/422

公开(公告)号：EP2853910A1

公开(公告)日：2015-04-01

申请号：EP14184359.9

申请日：2014-09-11

申请人： Kabushiki Kaisha Toshiba

发明人： KAYANO, Hiroyuki

IPC分类号： G01R33/34 ,  G01R33/36

CPC分类号： G01R33/3621 ,  G01R33/34023 ,  G01R33/3403 ,  G01R33/3804 ,  G01R33/3815 ,  G01R33/383

摘要： A magnetic resonance imaging apparatus includes a housing (111), a static magnet field source (101) having a superconducting coil or a permanent magnet, and a superconducting array antenna (104) which are provided inside of the housing. The superconducting array antenna includes an A/D conversion element (113) configured to convert a received analog signal into a digital signal.

摘要翻译： 磁共振成像装置包括壳体（111），具有超导线圈或永磁体的静磁场源（101）和设置在壳体内部的超导阵列天线（104）。 超导阵列天线包括被配置为将接收到的模拟信号转换为数字信号的A / D转换元件（113）。

公开(公告)号：EP1267174B1

公开(公告)日：2014-09-17

申请号：EP02011095.3

申请日：2002-05-17

申请人： Siemens Aktiengesellschaft

发明人： Reykowski, Arne, Dr.

IPC分类号： G01R33/34 ,  G01R33/341

CPC分类号： G01R33/34053 ,  G01R33/341 ,  G01R33/3664

公开(公告)号：EP2762070A1

公开(公告)日：2014-08-06

申请号：EP12836712.5

申请日：2012-07-27

申请人： Hitachi Medical Corporation

发明人： KANEKO, Yukio ,  SOUTOME, Yoshihisa ,  BITO, Yoshitaka ,  TAKEUCHI, Hiroyuki ,  TAKAHASHI, Tetsuhiko ,  HABARA, Hideta ,  OTAKE, Yosuke

IPC分类号： A61B5/055 ,  G01R33/34

CPC分类号： G01R33/5659 ,  A61B5/055 ,  G01R33/246 ,  G01R33/4835 ,  G01R33/5612

摘要： With minimizing extension of imaging time, the B 1 non-uniformity reducing effect of RF shimming is maximized for an imaging section of an arbitrary axis direction and an arbitrary position. B 1 distributions are measured for only several sections of one predetermined direction, and a radio frequency magnetic field condition that maximizes the B 1 non-uniformity reducing effect for an imaging section of an arbitrary direction and an arbitrary position is calculated from the B 1 distribution data. For example, after B 1 distributions of only several sections of the AX direction are measured, the optimal radio frequency magnetic field condition for an imaging section of an arbitrary position for the AX direction is obtained by interpolation with optimal radio frequency magnetic field conditions calculated from B 1 distributions of two sections near the imaging section, and the optimal radio frequency magnetic field condition for an imaging section of an arbitrary position for the SAG or COR direction is obtained by using only B 1 values of a crossing region with the imaging section extracted from the B 1 distributions.

摘要翻译： 随着成像时间的延长最小化，对于任意轴方向和任意位置的成像部分，RF垫片的B 1不均匀性降低效果最大化。 仅对一个预定方向的几个部分测量B 1分布，并且根据B 1分布计算使任意方向和任意位置的成像部分的B 1不均匀性减小效果最大化的射频磁场条件 数据。 例如，在仅测量AX方向的几个部分的B 1分布之后，通过利用从...方向计算的最佳射频磁场条件进行插值来获得用于AX方向的任意位置的成像部分的最佳射频磁场条件 通过仅使用提取的摄像部分的交叉区域的B 1值获得用于SAG或COR方向的任意位置的成像部分的最佳射频磁场条件， 从B 1分布。

公开(公告)号：EP2700969A3

公开(公告)日：2014-06-04

申请号：EP13181383.4

申请日：2013-08-22

申请人： Jeol Resonance Inc. ,  Kyoto University

发明人： Takegoshi, Kiyonori ,  Mizuno, Takashi

IPC分类号： G01R33/30 ,  G01R33/34 ,  G01R33/31

CPC分类号： G01R33/34 ,  G01R33/30 ,  G01R33/307 ,  G01R33/31 ,  G01R33/3403

摘要： There is disclosed a cooled NMR detection probe including a detection coil and an internal structure. If the internal structure shrinks, the position of the detection coil can be maintained. The detection coil is cooled sufficiently. The internal structure (65) mounted in a vacuum vessel (58) includes a radiation shield assembly (68), a connecting member (74), and a heat exchanger (80). The internal structure (65) is secured to the vacuum vessel (58) by a holding member (66). The holding member (66) has an elongated portion extending in an up-and-down direction such that inflow of heat via the holding member (66) is reduced to a minimum. A shield body (70) and the connecting member (74) exist in the heat conduction path going from the holding member (66) to the first heat exchanger (80). If the internal structure shrinks during cooling, the position of an upper portion of the first heat exchanger (80) hardly varies, thus suppressing displacement of a core module (54). The elongated portion can deform as the internal structure (65) shrinks (i.e., decreases in diameter).