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1. 发明授权

US09268003B2 System and method for measuring induced radio frequency current using phase contrast magnetic resonance imaging 有权
标题翻译：使用相位对比磁共振成像测量感应射频电流的系统和方法
公开(公告)号：US09268003B2
公开(公告)日：2016-02-23
申请号：US13766457
申请日：2013-02-13
申请人： Gregory Huntindgon Griffin , Kevan Anderson , Graham Wright
发明人： Gregory Huntindgon Griffin , Kevan Anderson , Graham Wright
IPC分类号： G01V3/00 , G01R33/48 , G01R33/28
CPC分类号： G01R33/48 , G01R33/288
摘要： A method for automatically measuring currents induced on conducting structures positioned in the bore of a magnetic resonance imaging (“MRI”) scanner using a single magnetic resonance image is provided. A conductive structure is positioned within the bore of the MRI scanner during imaging. When the MRI system is transmitting an RF field, a current is induced in the conductive structure. The current creates a magnetic field at the Larmor frequency, which couples to the RF magnetic field in the vicinity of the conductive structure. The modified magnetic field results in an artifact being generated in phase images. The artifact in the phase image is then analyzed to determine the current induced in the conductive structure.
摘要翻译：提供一种用于使用单个磁共振图像自动测量在位于磁共振成像（“MRI”）扫描器的孔中的导电结构感应的电流的方法。在成像期间，导电结构位于MRI扫描器的孔内。当MRI系统发射RF场时，在导电结构中感应出电流。电流以拉莫尔频率产生磁场，其耦合到导电结构附近的RF磁场。改进的磁场导致在相位图像中产生伪影。然后分析相图中的伪影以确定在导电结构中感应的电流。

2. 发明申请

US20140225608A1 SYSTEM AND METHOD FOR MEASURING INDUCED RADIO FREQUENCY CURRENT USING PHASE CONTRAST MAGNETIC RESONANCE IMAGING 有权
标题翻译：使用相位对比度磁共振成像测量感应无线电频率的系统和方法
公开(公告)号：US20140225608A1
公开(公告)日：2014-08-14
申请号：US13766457
申请日：2013-02-13
申请人： Gregory Huntindgon Griffin , Kevan Anderson , Graham Wright
发明人： Gregory Huntindgon Griffin , Kevan Anderson , Graham Wright
IPC分类号： G01R33/48
CPC分类号： G01R33/48 , G01R33/288
摘要： A method for automatically measuring currents induced on conducting structures positioned in the bore of a magnetic resonance imaging (“MRI”) scanner using a single magnetic resonance image is provided. A conductive structure is positioned within the bore of the MRI scanner during imaging. When the MRI system is transmitting an RF field, a current is induced in the conductive structure. The current creates a magnetic field at the Larmor frequency, which couples to the RF magnetic field in the vicinity of the conductive structure. The modified magnetic field results in an artifact being generated in phase images. The artifact in the phase image is then analyzed to determine the current induced in the conductive structure.
摘要翻译：提供一种用于使用单个磁共振图像自动测量在位于磁共振成像（“MRI”）扫描器的孔中的导电结构感应的电流的方法。在成像期间，导电结构位于MRI扫描器的孔内。当MRI系统发射RF场时，在导电结构中感应出电流。电流以拉莫尔频率产生磁场，其耦合到导电结构附近的RF磁场。改进的磁场导致在相位图像中产生伪影。然后分析相图中的伪影以确定在导电结构中感应的电流。

3. 发明授权

US09660336B2 Systems, devices and methods for transmitting electrical signals through a faraday cage 有权
公开(公告)号：US09660336B2
公开(公告)日：2017-05-23
申请号：US14766262
申请日：2014-02-07
申请人： Kevan Anderson , General Leung , Garry Liu , Perry Radau , Graham Wright
发明人： Kevan Anderson , General Leung , Garry Liu , Perry Radau , Graham Wright
IPC分类号： G01R33/36 , H01P3/06 , H01Q1/50 , G01R33/28 , H01P3/12
CPC分类号： H01Q1/50 , G01R33/283 , G01R33/36 , H01P3/06 , H01P3/12
摘要： Embodiments of the present disclosure provide devices, methods, and systems that support electrical connection, signal delivery, and/or communication between internal and external portions of a Faraday cage. In some embodiments, devices and methods are provided for transmitting electrical signals through a waveguide port of a Faraday cage. In some embodiments, aspects of the present disclosure are employed to adapt a magnetic resonance imaging system for communications between a scanner room and a control room.

4. 发明授权

US10418699B2 Systems, devices and methods for transmitting electrical signals through a Faraday cage 有权
公开(公告)号：US10418699B2
公开(公告)日：2019-09-17
申请号：US15600660
申请日：2017-05-19
申请人： Kevan Anderson , General Leung , Garry Liu , Perry Radau , Graham Wright
发明人： Kevan Anderson , General Leung , Garry Liu , Perry Radau , Graham Wright
IPC分类号： H01Q1/50 , G01R33/28 , G01R33/36 , H01P3/06 , H01P3/12
摘要： Embodiments of the present disclosure provide devices, methods, and systems that support electrical connection, signal delivery, and/or communication between internal and external portions of a Faraday cage. In some embodiments, devices and methods are provided for transmitting electrical signals through a waveguide port of a Faraday cage. In some embodiments, aspects of the present disclosure are employed to adapt a magnetic resonance imaging system for communications between a scanner room and a control room.

5. 发明申请

US20170256853A1 SYSTEMS, DEVICES AND METHODS FOR TRANSMITTING ELECTRICAL SIGNALS THROUGH A FARADAY CAGE 审中-公开
公开(公告)号：US20170256853A1
公开(公告)日：2017-09-07
申请号：US15600660
申请日：2017-05-19
申请人： Kevan Anderson , General Leung , Garry Liu , Perry Radau , Graham Wright
发明人： Kevan Anderson , General Leung , Garry Liu , Perry Radau , Graham Wright
IPC分类号： H01Q1/50 , H01P3/06 , G01R33/28 , G01R33/36
CPC分类号： H01Q1/50 , G01R33/283 , G01R33/36 , H01P3/06 , H01P3/12
摘要： Embodiments of the present disclosure provide devices, methods, and systems that support electrical connection, signal delivery, and/or communication between internal and external portions of a Faraday cage. In some embodiments, devices and methods are provided for transmitting electrical signals through a waveguide port of a Faraday cage. In some embodiments, aspects of the present disclosure are employed to adapt a magnetic resonance imaging system for communications between a scanner room and a control room.

6. 发明授权

US08909322B2 Catheter for magnetic resonance guided procedures 有权
标题翻译：导管用于磁共振引导程序
公开(公告)号：US08909322B2
公开(公告)日：2014-12-09
申请号：US12557840
申请日：2009-09-11
申请人： Kevan Anderson , Graham Wright
发明人： Kevan Anderson , Graham Wright
IPC分类号： A61B5/00 , A61M25/01 , G01R33/28 , G01R33/34
CPC分类号： A61M25/01 , A61M25/0127 , A61M2025/0166 , A61M2205/3515 , G01R33/287 , G01R33/288 , G01R33/34084
摘要： A catheter for magnetic resonance (MR) guided procedures comprising: a catheter body having a lumen for accommodating an intravascular device; a magnetic coupling component in the catheter body, the magnetic coupling component being designed to magnetically couple with a conductive length on the intravascular device, the magnetic coupling resulting in a signal; the catheter having a connection to deliver the signal to a processor.
摘要翻译：一种用于磁共振（MR）引导程序的导管，包括：导管体，其具有用于容纳血管内装置的内腔; 导管主体中的磁耦合部件，所述磁耦合部件设计成与血管内装置上的导电长度磁耦合，所述磁耦合产生信号; 导管具有将信号传送到处理器的连接。

7. 发明申请

US20050245814A1 Catheter tracking with phase information 有权
标题翻译：导管跟踪与相位信息
公开(公告)号：US20050245814A1
公开(公告)日：2005-11-03
申请号：US11115416
申请日：2005-04-27
申请人： Kevan Anderson , Graham Wright
发明人： Kevan Anderson , Graham Wright
IPC分类号： A61B5/05 , A61B5/055 , A61B5/06 , A61M25/095 , G01R33/28
CPC分类号： A61B5/06 , A61B2034/2051 , G01R33/287
摘要： The present invention discloses a method for determining the position and/or orientation of a catheter or other interventional access device or surgical probe using phase patterns in a magnetic resonance (MR) signal. In the method of the invention, global two-dimensional correlations are used to identify the phase pattern and orientation of individual microcoils, which is unique for each microcoil's position and orientation. In a preferred embodiment of the invention, tracking of interventional devices is performed by one integrated phase image projected onto the axial plane and a second image in an oblique plane through the center of the coil and normal to the coil plane. In another preferred embodiment, the position and orientation of a catheter tip can be reliably tracked using low resolution MR scans clinically useful for real-time interventional MRI applications. In a further preferred embodiment, the invention provides real-time computer control to track the position of endovascular access devices and interventional treatment systems, including surgical tools and tissue manipulators, devices for in vivo delivery of drugs, angioplasty devices, biopsy and sampling devices, devices for delivery of RF, thermal, microwave or laser energy or ionizing radiation, and internal illumination and imaging devices, such as catheters, endoscopes, laparoscopes, and related instruments.
摘要翻译：本发明公开了一种使用磁共振（MR）信号中的相位图来确定导管或其他介入入口装置或手术探针的位置和/或取向的方法。在本发明的方法中，使用全局二维相关来识别各个微线圈的相位图案和取向，其对于每个微音圈的位置和取向是唯一的。在本发明的一个优选实施例中，介入装置的跟踪由投射到轴平面上的一个集成相位图像和穿过线圈中心并垂直于线圈平面的倾斜平面中的第二图像执行。在另一个优选实施例中，可以使用临床上用于实时介入MRI应用的低分辨率MR扫描来可靠地跟踪导管尖端的位置和取向。在另一优选实施例中，本发明提供实时计算机控制以跟踪血管内进入装置和介入治疗系统的位置，包括手术工具和组织操纵器，用于体内递送药物的装置，血管成形术装置，活组织检查和取样装置，用于传送RF，热，微波或激光能量或电离辐射的装置，以及内部照明和成像装置，例如导管，内窥镜，腹腔镜和相关器械。

8. 发明申请

US20050004448A1 Systems and methods for phase encode placement 有权
标题翻译：用于相位编码放置的系统和方法
公开(公告)号：US20050004448A1
公开(公告)日：2005-01-06
申请号：US10613580
申请日：2003-07-02
申请人： David Gurr , Jean Brittain , Graham Wright
发明人： David Gurr , Jean Brittain , Graham Wright
IPC分类号： G01R33/48 , A61B5/055 , G01R33/54 , A61B5/05 , G01V3/00
CPC分类号： G01R33/54
摘要： A method for a medical examination is described. The method includes polar phase encoding to generate a plurality of signals forming datasets representative of an object, where the datasets form a grid in polar coordinates in a k-space.
摘要翻译：描述了用于体格检查的方法。该方法包括极性相位编码以产生形成表示对象的数据集的多个信号，其中数据集在k空间中形成极坐标中的网格。

9. 发明申请

US20080086305A1 Digital dictation workflow system and method 审中-公开
标题翻译：数字听写工作流系统及方法
公开(公告)号：US20080086305A1
公开(公告)日：2008-04-10
申请号：US11905408
申请日：2007-09-28
申请人： Simon Lewis , Jonathan Carter , Marc Harris , William Richardson , Graham Wright , Martin Hughes , Paul Pastura
发明人： Simon Lewis , Jonathan Carter , Marc Harris , William Richardson , Graham Wright , Martin Hughes , Paul Pastura
IPC分类号： G10L15/26
CPC分类号： H04L67/06 , G06F16/68 , G11B27/034 , G11B27/11 , H04L12/66 , H04L67/10
摘要： A digital dictation workflow system and method employing a plurality of client devices and at least one server. Certain client devices are operable to record audio information dictated by a user for storing as a digital audio file in a file store, and others are operable to receive and reproduce the stored digital audio file as audio. The server is connected to the client devices via a network, and manages storage and retrieval of the digital audio file to and from the file store and the client devices. The system and method further employ at least one database for storing dictation data pertaining to the digital audio file stored in the file store, and can be configured in a three-tier arrangement with the client devices being present in a presentation layer, the server present in a business logic layer, and the file store and database present in a data access layer.
摘要翻译：一种采用多个客户端设备和至少一个服务器的数字听写工作流系统和方法。某些客户端设备可操作以记录由用户指定的音频信息，以将其作为数字音频文件存储在文件存储器中，并且其他客户端设备可操作以接收和再现所存储的数字音频文件作为音频。服务器通过网络连接到客户端设备，并管理数字音频文件与文件存储和客户端设备的存储和检索。该系统和方法还采用至少一个数据库来存储与存储在文件存储器中的数字音频文件相关的听写数据，并且可以配置成三层排列，其中客户端设备存在于表示层中，服务器呈现在业务逻辑层中，文件存储和数据库存在于数据访问层中。

10. 发明申请

US20050244179A1 Toner transfer technique 失效
标题翻译：调色剂转印技术
公开(公告)号：US20050244179A1
公开(公告)日：2005-11-03
申请号：US11042935
申请日：2005-01-25
申请人： David Rakov , Graham Wright , Frank Shuster
发明人： David Rakov , Graham Wright , Frank Shuster
IPC分类号： G03G15/00 , G03G15/16
CPC分类号： G03G15/1675 , G03G15/5037 , G03G15/5058 , G03G2215/00033
摘要： A module, included in an electrophotographic printer, for making toner images by a method in which transfer current for electrostatic transfer of toner images to receiver members is adjusted to compensate for ambient variations of toner charge-to-mass ratio (q/m). A predetermined functional relationship between transfer current and a control voltage parameter is utilized. Magnitudes of the control voltage parameter are derived from voltage measurements relating to creation of toner control patches on a photoconductive image-recording member included in a modular electrophotographic printer. Control voltage magnitude is linearly dependent on q/m. The functional relationship, which is characterized by three experimentally determined parameters, is co-optimized for providing efficient transfer of toner images and for minimizing back-transfer of toner away from a receiver member in a transfer station included in the module.
摘要翻译：包括在电子照相打印机中的模块，用于通过调节调色剂图像到接收器构件的静电转印的转印电流来调节调色剂电荷质量比（q / m）的环境变化的方法制备调色剂图像。利用转移电流与控制电压参数之间的预定功能关系。控制电压参数的幅度来源于与包含在模块化电子照相打印机中的感光图像记录元件上产生调色剂控制贴片有关的电压测量。控制电压幅度取决于q / m。以三个实验确定的参数为特征的功能关系被共同优化，以提供调色剂图像的有效转印和最小化调色剂远离包含在模块中的转印站中的接收器构件的反向转印。

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