专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

11. 发明授权

US08847072B2 Transmission cable for use in radio-frequency magnetic or electrical fields 有权
标题翻译：用于射频磁场或电场的传输电缆
公开(公告)号：US08847072B2
公开(公告)日：2014-09-30
申请号：US12665947
申请日：2008-06-27
申请人： Sascha Krueger , Bernd David , Oliver Lips , Steffen Weiss , Daniel Wirtz
发明人： Sascha Krueger , Bernd David , Oliver Lips , Steffen Weiss , Daniel Wirtz
IPC分类号： H02G3/00 , H01R4/00 , H02G3/06 , H02G15/08 , H01B7/00 , H01B11/02 , H01P1/10 , H01H1/20 , H01H1/36 , G01R33/28 , G01R33/36 , A61B19/00 , A61B18/00 , A61N1/08 , A61B18/14
CPC分类号： G01R33/36 , A61B18/14 , A61B2018/00178 , A61B2090/374 , A61N1/086 , G01R33/287 , G01R33/288 , G01R33/3664
摘要： A transmission cable including a transmission line, at least two electrically conductive line segments separated by a non-conductive gap, a bridging unit including at least one electrically conductive bridge segment capable of bridging the non-conductive gap, and a switching unit arranged to move the bridging unit and/or the transmission line to electrically connect the two line segments by closing the non-conductive gap using the bridge segment or to electrically disconnect the two line segments by opening the non-conductive gap.
摘要翻译：一种传输电缆，包括传输线，由非导电间隙分开的至少两个导电线段，包括能够桥接非导电间隙的至少一个导电桥接段的桥接单元和布置成移动桥接单元和/或传输线，以通过使用桥接段闭合非导电间隙来电连接两个线段，或通过打开非导电间隙来电连接两个线段。

12. 发明授权

US08628525B2 Wireless interventional device and a system for wireless energy transmission 失效
标题翻译：无线介入设备和无线能量传输系统
公开(公告)号：US08628525B2
公开(公告)日：2014-01-14
申请号：US12519785
申请日：2007-12-17
申请人： Daniel Wirtz , Oliver Lips , Sascha Krueger , Bernd David , Steffen Weiss
发明人： Daniel Wirtz , Oliver Lips , Sascha Krueger , Bernd David , Steffen Weiss
IPC分类号： A61B18/18 , A61B19/00 , A61B5/05 , A61B5/00
CPC分类号： A61B5/07 , A61B5/055 , A61B2017/00221 , A61B2560/0219 , A61N1/3787 , G01R33/287
摘要： An interventional device (12) is configured to be positioned in a body and includes an electrically operable unit (E1, E2) configured to carry out an interaction with the body upon a receipt of electric power. The device further includes a sensor (2) configured for wirelessly receiving electromagnetic energy from a remote source. The sensor is configured as a resonant circuit (2a, 2b) which converts the received electromagnetic energy into the electric power. The electrically operable device may include a diagnostic and/or therapeutic module.
摘要翻译：介入装置（12）被配置为定位在主体中，并且包括电可操作单元（E1，E2），其被配置为在接收到电力时执行与身体的相互作用。该装置还包括被配置为从远程源无线地接收电磁能量的传感器（2）。传感器被配置为将接收到的电磁能转换成电力的谐振电路（2a，2b）。电可操作装置可以包括诊断和/或治疗模块。

13. 发明授权

US09952296B2 Magnetic resonance safety monitoring systems and methods 有权
公开(公告)号：US09952296B2
公开(公告)日：2018-04-24
申请号：US12808404
申请日：2008-12-22
申请人： Sascha Krueger , Daniel Wirtz , Steffen Weiss
发明人： Sascha Krueger , Daniel Wirtz , Steffen Weiss
IPC分类号： A61B5/055 , G08B23/00 , G01R33/28
CPC分类号： G01R33/285 , G01R33/288
摘要： A magnetic resonance method comprises applying a radio frequency excitation in an examination region (14), measuring a magnetic resonance signal generated by the applied radio frequency excitation in a subject (16) in the examination region, monitoring a radio frequency parameter during the applying, and evaluating subject safety based on the monitoring. A magnetic resonance safety monitor (40) comprises an analyzer (42, 44, 46, 50) configured to (i) receive a radio frequency signal during magnetic resonance excitation, (ii) extract a radio frequency parameter from the received radio frequency signal, and (iii) evaluate subject safety based on the extracted radio frequency parameter, and a remediation module (54) configured to perform a remediation of the magnetic resonance excitation responsive to the evaluation (iii) indicating a potentially unsafe condition.

14. 发明授权

US08565857B2 Catheter and medical assembly 有权
标题翻译：导管和医疗装配
公开(公告)号：US08565857B2
公开(公告)日：2013-10-22
申请号：US12440252
申请日：2007-09-07
申请人： Oliver Lips , Bernd David , Bernhard Gleich , Sascha Krueger , Steffen Weiss , Daniel Wirtz
发明人： Oliver Lips , Bernd David , Bernhard Gleich , Sascha Krueger , Steffen Weiss , Daniel Wirtz
IPC分类号： A61B5/05
CPC分类号： A61B5/042 , A61B5/0428 , A61B5/055 , A61B2562/222 , A61N1/056 , A61N1/086 , A61N1/3625 , A61N1/3718 , G01R33/287
摘要： The present invention relates to a catheter (6) comprising: a connector (65, 66) at a proximal side of the catheter for connecting the catheter to an external signal transmission/receiving unit (10) for transmitting and/or receiving signals, an electrode (63, 64) at a distal side of the catheter, and an electrical connection including an electrical wire (61, 62) for electrically connecting the electrode and the connector for the transmission of signals between the electrode and the connector, wherein the electrical connection has a high electrical resistance of at least 1 kΩ, in particular of at least 5 kΩ. Thus, the present invention provides a solution to prevent excessive heating during EP interventions under MR guidance by using highly resistive wires and or lumped resistors as connections within catheters.
摘要翻译：本发明涉及一种导管（6），包括：在导管的近侧的连接器（65,66），用于将导管连接到用于传输和/或接收信号的外部信号传输/接收单元（10），电极（63,64），以及包括用于电连接电极和连接器以用于在电极和连接器之间传输信号的电线（61,62）的电连接，其中电气连接具有至少1kOmega的高电阻，特别是至少5kOmega。因此，本发明提供了一种解决方案，通过使用高电阻丝和/或集总电阻作为导管内的连接，在MR引导下的EP干预期间防止过度加热。

15. 发明授权

US08260433B2 Apparatus and method for applying energy within an object 有权
标题翻译：在物体内施加能量的装置和方法
公开(公告)号：US08260433B2
公开(公告)日：2012-09-04
申请号：US12529366
申请日：2008-03-03
申请人： Bernd David , Daniel Wirtz , Oliver Lips , Steffen Weiss , Sascha Krueger
发明人： Bernd David , Daniel Wirtz , Oliver Lips , Steffen Weiss , Sascha Krueger
IPC分类号： A61N1/00
CPC分类号： A61N1/08 , A61B5/055 , A61B2562/222 , A61N1/086 , A61N1/3718
摘要： An apparatus for applying energy within an object includes an energy applying unit having an energy emitting element or outputting energy within the object and an energy storage unit locatable within the object and coupled to the energy emitting element. The apparatus further includes an electrical control line coupled to the energy applying unit for controlling the application of energy within the object by controlling transmission of energy from the energy storage unit to the energy emitting element.
摘要翻译：用于在物体内施加能量的装置包括具有能量发射元件或在物体内输出能量的能量施加单元和位于物体内的能量存储单元，并耦合到能量发射元件。该装置还包括耦合到能量施加单元的电气控制线，用于通过控制从能量存储单元到能量发射元件的能量传输来控制物体内的能量的施加。

16. 发明申请

US20100016934A1 APPARATUS AND METHOD FOR APPLYING ENERGY WITHIN AN OBJECT 有权
标题翻译：在对象中应用能量的装置和方法
公开(公告)号：US20100016934A1
公开(公告)日：2010-01-21
申请号：US12529366
申请日：2008-03-03
申请人： Bernd David , Daniel Wirtz , Oliver Lips , Steffen Weiss , Sascha Krueger
发明人： Bernd David , Daniel Wirtz , Oliver Lips , Steffen Weiss , Sascha Krueger
IPC分类号： A61N1/00
CPC分类号： A61N1/08 , A61B5/055 , A61B2562/222 , A61N1/086 , A61N1/3718
摘要： The invention relates to an apparatus for applying energy within an object. The apparatus comprises an energy applying unit (8, 9), which includes an energy emitting element (9) for outputting energy within the object and an energy storage unit (8) locatable within the object and coupled to the energy emitting element. The apparatus comprises further an electrical control line (12) coupled to the energy applying unit for controlling the application of energy within the object by controlling a transmission of energy from the energy storage unit to the energy emitting element. The invention relates further to a corresponding method and a corresponding computer program.
摘要翻译：本发明涉及一种在物体内施加能量的装置。该装置包括能量施加单元（8,9），其包括用于在物体内输出能量的能量发射元件（9）和位于物体内的能量存储单元（8），并耦合到能量发射元件。该装置还包括耦合到能量施加单元的电气控制线（12），用于通过控制从能量存储单元到能量发射元件的能量传输来控制物体内的能量的施加。本发明进一步涉及相应的方法和相应的计算机程序。

17. 发明授权

US09638769B2 Position marker for use in an MRI apparatus 有权
公开(公告)号：US09638769B2
公开(公告)日：2017-05-02
申请号：US14233811
申请日：2012-07-16
申请人： Daniel Wirtz , Christoph Leussler , Sascha Krueger
发明人： Daniel Wirtz , Christoph Leussler , Sascha Krueger
IPC分类号： G01V3/00 , G01R33/28 , G01R33/58
CPC分类号： G01R33/28 , G01R33/287 , G01R33/58
摘要： A fiducial position marker (1) for use in a magnetic resonance (MR) imaging apparatus is disclosed for exciting and/or receiving MR signals in/from a local volume which at least substantially surrounds or adjoins the position marker, in order to determine and/or image from these MR signals the position of the position marker in an MR image of an examination object. Such a position marker (1) is especially used for determining and/or imaging a position of an interventional or non-interventional instrument to which the position marker may be attached, like a catheter, a surgical device, a biopsy needle, a pointer, a stent or another invasive or any non-invasive device in an MR image of an examination object. Further, a position marker system comprising such a position marker (1) and a circuit arrangement (5, 6, 6a, 8) for driving the position marker (1) for exciting MR signals and/or for processing MR signals received by the position marker is disclosed.

18. 发明申请

US20140159728A1 POSITION MARKER FOR USE IN AN MRI APPARATUS 有权
标题翻译：在MRI装置中使用的位置标记
公开(公告)号：US20140159728A1
公开(公告)日：2014-06-12
申请号：US14233811
申请日：2012-07-16
申请人： Daniel Wirtz , Christoph Leussler , Sascha Krueger
发明人： Daniel Wirtz , Christoph Leussler , Sascha Krueger
IPC分类号： G01R33/28
CPC分类号： G01R33/28 , G01R33/287 , G01R33/58
摘要： A fiducial position marker (1) for use in a magnetic resonance (MR) imaging apparatus is disclosed for exciting and/or receiving MR signals in/from a local volume which at least substantially surrounds or adjoins the position marker, in order to determine and/or image from these MR signals the position of the position marker in an MR image of an examination object. Such a position marker (1) is especially used for determining and/or imaging a position of an interventional or non-interventional instrument to which the position marker may be attached, like a catheter, a surgical device, a biopsy needle, a pointer, a stent or another invasive or any non-invasive device in an MR image of an examination object. Further, a position marker system comprising such a position marker (1) and a circuit arrangement (5, 6, 6a, 8) for driving the position marker (1) for exciting MR signals and/or for processing MR signals received by the position marker is disclosed.
摘要翻译：公开了一种用于在磁共振（MR）成像设备中使用的基准位置标记（1），用于激励和/或接收来自本地体积的MR信号，所述本地体积至少基本上围绕或邻接位置标记，以便确定和 /或来自这些MR的图像信号将检查对象的MR图像中的位置标记的位置。这样的位置标记（1）特别用于确定和/或成像位置标记可以附着的介入或非介入性仪器的位置，如导管，手术装置，活检针，指针，支架或检查对象的MR图像中的另一侵入性或任何非侵入性装置。此外，包括这样的位置标记（1）和用于驱动用于激励MR信号的位置标记（1）和/或用于处理由位置接收的MR信号的电路装置（5,6,6a，8）的位置标记系统标记被公开。

19. 发明申请

US20120256630A1 DYNAMIC NUCLEAR POLARIZATION APPARATUS WITH SAMPLE TRANSPORT SYSTEM 审中-公开
标题翻译：动态核极化装置与样品运输系统
公开(公告)号：US20120256630A1
公开(公告)日：2012-10-11
申请号：US13516747
申请日：2010-12-28
申请人： Christoph Leussler , Daniel Wirtz , Peter Boernert , Jochen Keupp , Holger Eggers , Bernd David , Johannes Adrianus Overweg , Rainer Eckart
发明人： Christoph Leussler , Daniel Wirtz , Peter Boernert , Jochen Keupp , Holger Eggers , Bernd David , Johannes Adrianus Overweg , Rainer Eckart
IPC分类号： G01R33/28
CPC分类号： G01R33/62 , G01R33/282 , G01R33/5601 , G01R33/5605 , G01R33/5608 , G01R33/56366 , G01R33/56383
摘要： The invention relates to a dynamic nuclear polarization apparatus (116) for continuous provision of hyperpolarized samples (114) comprising dynamically nuclear polarized nuclear spins, the apparatus (116) comprising a polarization region (106) for polarization of said nuclear spins resulting in said hyperpolarized samples, wherein the apparatus (116) further comprises: a cryostat (102) for cooling the samples (114) in the polarization region (106), a magnet (100) for providing a magnetic field to the cooled samples in the polarization region (106), a radiation source (112) for concurrently to the magnetic field provision providing a nuclear polarizing radiation to the polarization region (106) for receiving the hyperpolarized samples, a sample transport system (104) for continuously receiving unpolarized samples (114), transporting the unpolarized samples to the polarization region (106) for nuclear spin polarization and providing the resulting hyperpolarized samples (114).
摘要翻译：本发明涉及用于连续提供包括动态核偏振核自旋的超极化样本（114）的动态核极化装置（116），所述装置（116）包括用于所述核自旋的极化的偏振区域（106），导致所述超极化样品，其中所述装置（116）还包括：用于冷却所述偏振区域（106）中的样品（114）的低温恒温器（102），用于向所述偏振区域中的所述冷却样品提供磁场的磁体（100） 106），用于与磁场提供同时提供用于接收超极化样本的偏振区域（106）的核偏振辐射的辐射源（112），用于连续接收非偏振样本（114）的样本传输系统（104）将非偏振样品运送到用于核自旋极化的偏振区域（106），并提供所得到的超极化样本（114）。

20. 发明申请

US20120169340A1 MR IMAGING SYSTEM WITH FREELY ACCESSIBLE EXAMINATION VOLUME 审中-公开
标题翻译：具有可访问量的成像系统
公开(公告)号：US20120169340A1
公开(公告)日：2012-07-05
申请号：US13394969
申请日：2010-09-14
申请人： Christoph Leussler , Daniel Wirtz
发明人： Christoph Leussler , Daniel Wirtz
IPC分类号： G01R33/48 , G01R33/32
CPC分类号： G01R33/345 , G01R33/341 , G01R33/343 , G01R33/4802
摘要： The invention relates to a magnetic resonance imaging system (1) comprising: a main magnet for generating a uniform, steady magnetic field within an examination volume (21), an RF waveguide (19) for guiding travelling RF waves along an axis of the examination volume (21) in at least one travelling mode of the RF waveguide (19), at least one RF antenna (9) for transmitting RF pulses to and/or receiving MR signals from a body (10) of a patient positioned in the examination volume (21), wherein the RF antenna (9) is configured to couple to the at least one travelling mode of the RF waveguide (19), and wherein the RF antenna (9) is located on the imaging system such that the examination volume (21) is freely accessible, a control unit (15) for controlling the temporal succession of RF pulses, and a reconstruction unit (17) for reconstructing an MR image from the received MR signals. Further, the invention relates to an RF antenna (9) for an MR imaging system (1), wherein the RF antenna (9) is formed by an electrically conductive plate (22) comprising at least one recess (23).
摘要翻译：本发明涉及一种磁共振成像系统（1），包括：用于在检查体积（21）内产生均匀的稳定磁场的主磁体，用于沿检查轴引导行波RF波的RF波导（19）在RF波导（19）的至少一个行进模式中的体积（21），用于将RF脉冲发送到和/或接收来自位于检查中的患者的身体（10）的MR信号的至少一个RF天线（9）（21），其中所述RF天线（9）被配置为耦合到所述RF波导（19）的所述至少一个行进模式，并且其中所述RF天线（9）位于所述成像系统上，使得所述检查体积（21）可自由访问，用于控制RF脉冲的时间连续的控制单元（15），以及用于从所接收的MR信号重建MR图像的重建单元（17）。此外，本发明涉及一种用于MR成像系统（1）的RF天线（9），其中RF天线（9）由包括至少一个凹部（23）的导电板（22）形成。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式