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    • 121. 发明申请
    • TRANSMIT-MODE PHASED ARRAY COILS FOR REDUCED SAR AND ARTIFACT ISSUES
    • 用于减少SAR和文艺问题的发射模式定时阵列线圈
    • US20080290870A1
    • 2008-11-27
    • US11751115
    • 2007-05-21
    • George Misic
    • George Misic
    • G01R33/20
    • G01R33/3415G01R33/288
    • Systems and methods for the selection of and application of RF power to a plurality of transmit and/or transmit/receive coil elements to decrease patient SAR and to limit the potential for artifact problems. Without any change to the hardware or software of an MR scanner, the present local coil system provides system logic and coil design flexibility such that only transmit coil elements that are required for a particular portion of an MR scan will be utilized at that time. The local coil system may include any combination of transmit-only, receive-only and transmit/receive coil elements as part of the coil system (array of coil elements). The logic controller of the local coil system gathers input data from the MR scanner, from the attached coil elements and optionally from one or more sensors attached to the coil system itself.
    • 用于选择和应用RF功率到多个发射和/或发射/接收线圈元件以降低患者SAR并限制伪影问题潜力的系统和方法。 本发明的本地线圈系统不对MR扫描器的硬件或软件进行任何改变,从而提供了系统逻辑和线圈设计灵活性,使得仅在MR扫描的特定部分所需的传输线圈元件将被利用。 本地线圈系统可以包括作为线圈系统(线圈元件阵列)的一部分的仅发射,仅接收线圈和发射/接收线圈元件的组合。 局部线圈系统的逻辑控制器从MR扫描器收集来自连接的线圈元件的输入数据,并且可选地从连接到线圈系统本身的一个或多个传感器收集输入数据。
    • 126. 发明申请
    • Systems and methods of modeling pharmaceutical propagation in a patient
    • 在患者体内药物传播建模的系统和方法
    • US20070255135A1
    • 2007-11-01
    • US11691748
    • 2007-03-27
    • JOHN KALAFUTARTHUR UBER
    • JOHN KALAFUTARTHUR UBER
    • A61B6/00
    • A61M5/007A61B5/0044A61B5/02028A61B5/0205A61B5/026A61B5/029A61B5/0295A61B5/055A61B5/7257A61B6/032A61B6/481A61B6/504A61B6/507A61B6/583A61B8/13A61B8/481A61K49/0002G01R33/5601G06F19/00G06F19/321G06F19/3468G16H50/50
    • A method of delivering a contrast enhancing fluid to a patient using an injector system, includes determining at least one patient transfer function for the patient based upon data specific to the patient, the at least one patient transfer function providing a time enhancement output for a given input; determining a desired time enhancement output; using the at least one patient transfer function to determine an injection procedure input; and controlling the injector system at least in part on the basis of the determined injection procedure input. The injection procedure input can be determined considering at least one operational limitation or constraint of the injector system. A method of modeling propagation of a pharmaceutical fluid in a patient, includes: collecting data corresponding to a time response curve resulting from injection of the fluid; and determining at least one mathematical model describing the data. The mathematical model can, for example, be a model which is not determined by a continuous or a discrete-time Fourier deconvolution of the data. Further, the injection of fluid by the injector can be controlled at least in part on the basis of the mathematical model.
    • 使用注射器系统将对比度增强流体递送给患者的方法包括基于患者特有的数据确定患者的至少一个患者传递功能,所述至少一个患者传递函数提供给定的时间增强输出 输入 确定期望的时间增强输出; 使用所述至少一个患者传递函数来确定注射过程输入; 以及至少部分地基于所确定的喷射过程输入来控制喷射器系统。 可以考虑喷射器系统的至少一个操作限制或约束来确定注射程序输入。 一种建模患者体内药液传播的方法,包括:收集对应于由注射液体引起的时间响应曲线的数据; 以及确定描述数据的至少一个数学模型。 数学模型可以例如是不是由数据的连续或离散时间傅里叶解卷积决定的模型。 此外,可以至少部分地基于数学模型来控制由注射器注入的流体。
    • 127. 发明授权
    • Communication systems for use with magnetic resonance imaging systems
    • 用于磁共振成像系统的通信系统
    • US07283860B2
    • 2007-10-16
    • US10622242
    • 2003-07-18
    • Michael FrazierPaul ReynoldsAlan HirschmanJohn GardnerDouglas ZatezaloBruno Fazi
    • Michael FrazierPaul ReynoldsAlan HirschmanJohn GardnerDouglas ZatezaloBruno Fazi
    • A61B5/05
    • G01R33/283A61B5/0017A61B5/002A61B5/055
    • An injector system for injection of a fluid medium into a patient within an electromagnetic isolation area. The injector system includes a powered injector, a system controller therefor, and a plurality of communication units. The powered injector is positioned within the isolation area. A first communication unit integral with the powered injector enables the first communication unit and the powered injector to be moved as a unit. The system controller is positioned outside the isolation area and has a second communication unit integral therewith. An intermediate communication unit ensures communication between the first and the second communication units and therethrough between the powered injector and the system controller using an authentication technique therewith. The first, second and intermediate communication units are adapted to communicate by transmission of radio frequency (RF) energy. The RF energy is chosen to avoid interfering with the operation of MRI scanners.
    • 一种用于在电磁隔离区域内向患者注射流体介质的注射器系统。 注射器系统包括动力注射器,其系统控制器和多个通信单元。 动力注射器位于隔离区域内。 与动力注射器集成的第一通信单元使得第一通信单元和动力注射器能够作为一个单元移动。 系统控制器位于隔离区域外部并且具有与其成一体的第二通信单元。 中间通信单元使用其认证技术来确保第一和第二通信单元之间的通信,并且在动力注射器和系统控制器之间通过。 第一,第二和中间通信单元适于通过射频(RF)能量的传输进行通信。 选择RF能量以避免干扰MRI扫描仪的操作。
    • 128. 发明申请
    • INJECTOR WITH CONTINUOUS BATTERY CHARGER SYSTEM
    • 喷油器连续充电系统
    • US20070191698A1
    • 2007-08-16
    • US11733215
    • 2007-04-10
    • Edward LiscioJohn BrosovichRichard RiggioMark Trocki
    • Edward LiscioJohn BrosovichRichard RiggioMark Trocki
    • A61B5/00
    • H02J7/0068A61B5/0046A61M5/007A61M5/14546A61M2205/8206A61M2205/8237H02J7/045
    • A battery charger system, for use with an injector system, comprises a power supply and a battery pack. The power supply converts AC power to DC power. The battery pack includes a battery and a charging module. The module monitors the operating mode of the injector system. When the battery pack is disconnected from the injection control unit, the module enables the power supply to charge the battery with DC power. When the battery pack is connected to the injection control unit: (A) upon detecting the injector system in an idle mode, the module routes DC power from the power supply to both the battery for charging thereof and the injection control unit for operation thereof; and (B) upon detecting the injector system in a non-idle mode, the module prevents the power supply from charging the battery and enables the battery to provide DC power to the injection control unit.
    • 与注射器系统一起使用的电池充电器系统包括电源和电池组。 电源将交流电转换成直流电源。 电池组包括电池和充电模块。 模块监控喷油器系统的运行模式。 当电池组与注射控制单元断开连接时,该模块可使电源以直流电为电池充电。 当电池组连接到喷射控制单元时:(A)在空气模式下检测到喷射器系统时,该模块将来自电源的直流电力传送到用于充电的电池和用于其操作的喷射控制单元; 和(B)当在非空闲模式下检测到喷射器系统时,该模块防止电源对电池充电并使电池能够向喷射控制单元提供直流电力。
    • 129. 发明申请
    • FLUID DELIVERY SYSTEM, FLUID PATH, AND MEDICAL CONNECTOR FOR USE WITH THE FLUID DELIVERY SYSTEM AND FLUID PATH
    • 流体输送系统,流体路径和医疗连接器,用于流体输送系统和流体路径
    • US20070129705A1
    • 2007-06-07
    • US11426348
    • 2006-08-10
    • Frederick TrombleyKevin CowanKraig McEwenJoseph Havrilla
    • Frederick TrombleyKevin CowanKraig McEwenJoseph Havrilla
    • A61M25/00
    • A61M39/10A61M39/12A61M2039/1033A61M2039/1038
    • A medical connector includes a body defining a lumen for fluid flow through the medical connector. The medical connector includes a luer member and an annular member disposed about the luer member. The annular member includes internal and/or external engagement structures. The medical connector may be provided on the outlet of a syringe or on a catheter. A fluid path is disclosed including a first section and a second section. The first and second sections may each include a medical connector to provide a removable connection with a syringe and a catheter, respectively. The medical connector may provide a removable connection between the first and second sections. A fluid delivery system is disclosed including an injector, a syringe operatively associated with the injector, and a fluid path connecting the syringe and a source of injection. The medical connector may provide a removable connection between the syringe and fluid path.
    • 医疗连接器包括限定用于通过医疗连接器的流体流动的内腔的主体。 医疗连接器包括鲁尔构件和围绕鲁尔构件设置的环形构件。 环形构件包括内部和/或外部接合结构。 医疗连接器可设置在注射器的出口或导管上。 公开了一种包括第一部分和第二部分的流体路径。 第一和第二部分可以各自包括医疗连接器,以分别提供与注射器和导管的可移除连接。 医疗连接器可以在第一和第二部分之间提供可移除的连接。 公开了一种流体递送系统,其包括注射器,与注射器可操作地相关联的注射器以及连接注射器和注射源的流体路径。 医疗连接器可以在注射器和流体路径之间提供可移除的连接。
    • 130. 发明授权
    • Communication systems for use with magnetic resonance imaging systems
    • 用于磁共振成像系统的通信系统
    • US07221159B2
    • 2007-05-22
    • US10064846
    • 2002-08-22
    • David M. GriffithsGeorge J. MisicWilliam J. MonskiMo Shuen NgJohn A. Brosovich
    • David M. GriffithsGeorge J. MisicWilliam J. MonskiMo Shuen NgJohn A. Brosovich
    • G01V3/00
    • G01R33/283A61B5/0017A61B5/002A61B5/055
    • An antenna coupling enables communication across a barrier to radio frequencies. The antenna coupling comprises first and second antennas. The first antenna is adapted for positioning on a first side of the barrier, and is capable of receiving from and transmitting to a first transceiver disposed on the first side. The second antenna is adapted for positioning on a second side of the barrier, and is capable of receiving from and transmitting to a second transceiver on the second side. The interconnection of the first and second antennas through the barrier comprises the antenna coupling. The antenna coupling enables the first and second transceivers to communicate across the barrier over the desired range(s) of radio frequencies. In a related aspect, the antenna coupling may also include a filter interconnected between the first and second antennas to prevent radio frequencies outside of the desired range(s) from being transmitted across the barrier.
    • 天线耦合使得能够跨屏障到无线电频率的通信。 天线耦合包括第一和第二天线。 第一天线适于定位在屏障的第一侧上,并且能够从设置在第一侧的第一收发机接收和发送。 第二天线适于定位在屏障的第二侧上,并且能够从第二侧接收和发送到第二收发器。 通过屏障的第一和第二天线的互连包括天线耦合。 天线耦合使得第一和第二收发器能够在无线电频率的期望范围内跨越屏障通信。 在相关方面,天线耦合还可以包括在第一和第二天线之间互连的滤波器,以防止在期望范围之外的无线电频率穿过屏障传输。