利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

46 条记录 (耗时 0.028 秒)

    Surface electrode design that can be left in place during MR imaging
    4.
    发明授权
    Surface electrode design that can be left in place during MR imaging 有权
    表面电极设计可以在MR成像期间留在原位

    公开(公告)号：US09414759B2

    公开(公告)日：2016-08-16

    申请号：US13311677

    申请日：2011-12-06

    申请人： Michael Lang ,  Labros Petropolous ,  Mark Alexiuk

    发明人： Michael Lang ,  Labros Petropolous ,  Mark Alexiuk

    IPC分类号： A61B5/0424 ,  A61B5/055 ,  A61B5/0408 ,  G01R33/28 ,  G01R33/567

    CPC分类号： A61B5/04087 ,  A61B5/0424 ,  A61B5/055 ,  A61B2562/0223 ,  G01R33/288 ,  G01R33/5673

    摘要： For use in MR imaging of a patient a plurality of surface electrodes such as ECG or defibrillator are provided for obtaining electrical signals for determining electrical activity within the body of the patient and remain in place during the MR imaging. The surface electrodes include a quick disconnect wire for carrying the signals to a signal processing system to be removed during the MR imaging to prevent heating. Each electrode comprises a conductive layer divided by slits into separate side by side sections to reduce eddy currents which are induced in the surface electrodes when they are exposed to variations in the magnetic field. The sections all are connected through the layer to the conductive location to allow the signal therefrom to be connected to the communication conductor.

    摘要翻译： 为了在患者的MR成像中使用，提供多个表面电极例如ECG或除颤器以获得用于确定患者体内的电活动的电信号，并且在MR成像期间保持就位。 表面电极包括用于将信号传送到在MR成像期间被去除以防止加热的信号处理系统的快速断开线。 每个电极包括由狭缝分隔成分开的并排单元的导电层，以减少当它们暴露于磁场变化时在表面电极中感应的涡电流。 这些部分全部通过层连接到导电位置，以允许其信号连接到通信导体。

    Magnetic Resonance Signal Detection Using Remotely Positioned Receive Coils
    5.
    发明申请
    Magnetic Resonance Signal Detection Using Remotely Positioned Receive Coils 有权
    使用远程定位接收线圈的磁共振信号检测

    公开(公告)号：US20120268132A1

    公开(公告)日：2012-10-25

    申请号：US13231004

    申请日：2011-09-13

    申请人： Haoqin Zhu ,  Labros Petropoulos ,  Wayne Schellekens ,  John Saunders ,  Michael Lang ,  Mehran Fallah-Rad

    发明人： Haoqin Zhu ,  Labros Petropoulos ,  Wayne Schellekens ,  John Saunders ,  Michael Lang ,  Mehran Fallah-Rad

    IPC分类号： G01R33/44

    CPC分类号： G01R33/34 ,  G01R33/34007 ,  G01R33/34076 ,  G01R33/34084 ,  G01R33/3415 ,  G01R33/3635 ,  G01R33/3642 ,  G01R33/3657 ,  G01R33/3664 ,  G01R33/3692

    摘要： The receive coil arrangement includes an inner local volume coil adjacent the part to be imaged so as to maximize the received MR signal and an outer coil, which may be the built in body coil of the magnet, connected by cable to the signal processing system. Both the coils are individually tuned to the common resonant frequency and the local volume coil include an arrangement to halt current flow therein during the transmit stage. The local volume coil has no cable and is arranged to communicate the MR signal therein to the signal processing system through the outer coil by inductive coupling to the outer coil. Despite inherent losses by interfering with the tuning of the loops and in the inductive coupling this magnifies the MR signal and makes the local volume coil wireless.

    摘要翻译： 接收线圈装置包括邻近待成像部分的内部局部体积线圈，以使得接收到的MR信号最大化，以及外部线圈，其可以是通过电缆连接到信号处理系统的磁体的内置体线圈。 两个线圈被单独地调谐到公共谐振频率，并且局部体积线圈包括在发射阶段期间阻止其中的电流流动的装置。 本地体积线圈没有电缆，并且被布置成通过电感耦合到外部线圈通过外部线圈将MR信号传递到信号处理系统。 尽管通过干扰环路的调谐而产生固有的损耗，并且在电感耦合中，放大MR信号并使本地体积线圈无线化。

    Reciprocating Expansion Engine and Piston of a Reciprocating Expansion Engine
    6.
    发明申请
    Reciprocating Expansion Engine and Piston of a Reciprocating Expansion Engine 有权
    往复式膨胀发动机和往复式膨胀发动机的活塞

    公开(公告)号：US20100083659A1

    公开(公告)日：2010-04-08

    申请号：US12535480

    申请日：2009-08-04

    申请人： Gottfried Raab ,  Markus Raup ,  Josef Klammer ,  Roland Kirchberger ,  Michael Lang

    发明人： Gottfried Raab ,  Markus Raup ,  Josef Klammer ,  Roland Kirchberger ,  Michael Lang

    IPC分类号： F01K13/00 ,  F02F3/00

    CPC分类号： F16J1/09 ,  F01B1/08 ,  F01K23/065 ,  F02F3/00 ,  F02F3/28 ,  F02G5/00 ,  F16J1/02 ,  Y02T10/166

    摘要： A piston and a reciprocating expansion engine with a piston having a piston head, a piston neck, and a piston shaft are described. The piston head has at least one groove which runs in a circumferential direction suitable for receiving a piston ring, and the piston shaft has a pin boss and, at its outer circumference, a guide surface which is suitable for guiding the piston along a cylinder inner wall. An outer diameter of the piston neck is smaller than an outer diameter of the piston head and/or of the piston shaft, and the length of the piston neck approximately corresponds to the travel of the piston in the installed state.

    摘要翻译： 描述了具有活塞头，活塞颈和活塞轴的活塞和往复膨胀发动机。 活塞头具有至少一个沿圆周方向延伸的槽，该凹槽适于容纳活塞环，并且活塞轴具有销凸台，并且在其外圆周处具有引导表面，所述引导表面适于沿缸体内导向活塞 壁。 活塞颈部的外径小于活塞头和/或活塞轴的外径，并且活塞颈部的长度大致对应于处于安装状态的活塞的行程。

    Surgical anastomosis stapling instrument with flexible support shaft and anvil adjusting mechanism
    10.
    发明授权
    Surgical anastomosis stapling instrument with flexible support shaft and anvil adjusting mechanism 失效

    公开(公告)号：US5632433A

    公开(公告)日：1997-05-27

    申请号：US417587

    申请日：1995-04-06

    申请人： Richard L. Grant ,  Michael Lang ,  Philip J. Churchill ,  W. Thompson Lawrence

    发明人： Richard L. Grant ,  Michael Lang ,  Philip J. Churchill ,  W. Thompson Lawrence

    IPC分类号： A61B17/115 ,  A61B17/28

    CPC分类号： A61B17/115 ,  A61B17/1155 ,  A61B2017/07257 ,  A61B2017/2905 ,  A61B2017/2927

    摘要： A surgical stapling instrument for performing a circular anastomosis stapling operation is provided. The surgical instrument includes a stapling head assembly mounted by a flexible support shaft to an actuator handle assembly. The support shaft is capable of bending in any radial direction relative to its centerline into a curved configuration suitable for insertion into a patient. The flexible support shaft includes a dual coil structure which is adapted to support itself in any curved configuration and to resist deflection upon insertion into the patient and actuation of the stapling head assembly. The stapling head assembly includes a driver assembly which is operable in multiple stages to separate the staple forming and tissue cutting actions to reduce the peak force required to operate the instrument. The actuator handle assembly includes a staple actuating lever and a cam follower assembly which operate in two stages with different mechanical advantages to facilitate the operation of the instrument by a surgeon. The actuator handle assembly includes a thumb wheel for opening and closing the anvil and an adjusting knob for adjusting the anvil gap. A control lever is provided for pivoting the stapling head assembly relative to the flexible support shaft.