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12 条记录 (耗时 0.021 秒)

    Reduced field distortion in medical tools
    1.
    发明申请
    Reduced field distortion in medical tools 有权
    减少医疗工具中的场失真

    公开(公告)号：US20070255132A1

    公开(公告)日：2007-11-01

    申请号：US11414449

    申请日：2006-04-28

    申请人： Avi Shalgi ,  Yaacov Nitzan ,  Meir Bar- Tal ,  Uri Yaron

    发明人： Avi Shalgi ,  Yaacov Nitzan ,  Meir Bar- Tal ,  Uri Yaron

    IPC分类号： A61B5/05

    CPC分类号： A61B34/20 ,  A61B5/06 ,  A61B5/062 ,  A61B90/36 ,  A61B2034/2051 ,  A61B2090/3958 ,  G01V3/104

    摘要： A medical tool for operating in a working volume of a magnetic position tracking system includes a first plurality of layers including an electrically conductive material and a second plurality of layers including an electrically insulating material and interleaved with the first plurality. The layers are arranged to reduce eddy current distortion in a magnetic field generated by the magnetic position tracking system. Another medical tool includes a core including a ferromagnetic material and an outer coating layer on the core. The coating layer includes a conductive material configured to produce eddy current distortion so as to cancel at least part of a distortion caused by the core in a magnetic field of the magnetic position tracking system. Yet another medical tool includes an electrically conducting loop-shaped element having an electrical discontinuity introduced therein, so as to reduce eddy current distortion caused by the loop-shaped element.

    摘要翻译： 用于在磁位置跟踪系统的工作体积中操作的医疗工具包括包括导电材料的第一多个层和包括电绝缘材料并与第一多个交错的第二多个层。 这些层被布置成减少由磁位置跟踪系统产生的磁场中的涡流失真。 另一种医疗工具包括核心，其包括铁磁材料和芯上的外涂层。 涂层包括被配置为产生涡流失真的导电材料，以便在磁位置跟踪系统的磁场中抵消由芯引起的至少一部分失真。 另一种医疗工具包括导入其中的电不连续性的导电环形元件，以便减少由环形元件引起的涡流失真。

    System for treatment of heart tissue using viability map
    3.
    发明授权
    System for treatment of heart tissue using viability map 有权
    使用活力图治疗心脏组织的系统

    公开(公告)号：US06447504B1

    公开(公告)日：2002-09-10

    申请号：US09689258

    申请日：2000-10-12

    申请人： Shlomo Ben-Haim ,  Uri Yaron

    发明人： Shlomo Ben-Haim ,  Uri Yaron

    IPC分类号： A61B1818

    CPC分类号： A61B18/24 ,  A61B18/26 ,  A61B34/20 ,  A61B2017/00039 ,  A61B2017/00053 ,  A61B2017/00247 ,  A61B2018/00291 ,  A61B2018/00392 ,  A61B2034/2051 ,  A61B2090/3958

    摘要： A system for treatment of tissue, such as heart tissue, includes a laser source and a catheter having an optical waveguide which is operatively connected to the laser source. The catheter also includes a position sensor for generating position signals relating to the distal end of the catheter and an electrode for generating signals relating to the viability of the tissue. The system also includes signal processing circuitry for processing the position signals in order to determine position coordinates of the distal end of the catheter as well as the signals relating to the viability of the tissue for determining a viability map of the tissue. The system further includes a display for displaying the viability map.

    摘要翻译： 用于治疗诸如心脏组织的组织的系统包括激光源和具有可操作地连接到激光源的光波导的导管。 导管还包括用于产生与导管的远端有关的位置信号的位置传感器和用于产生与组织活力有关的信号的电极。 该系统还包括用于处理位置信号以用于确定导管的远端的位置坐标的信号处理电路以及与用于确定组织的活力图的组织活力相关的信号。 该系统还包括用于显示生存力图的显示器。

    Laser pulmonary vein isolation
    4.
    发明授权
    Laser pulmonary vein isolation 有权
    激光肺静脉隔离

    公开(公告)号：US06997924B2

    公开(公告)日：2006-02-14

    申请号：US10245613

    申请日：2002-09-17

    申请人： Yitzhack Schwartz ,  Assaf Govari ,  Shlomo Ben-Haim ,  Uri Yaron ,  Marcia Leatham

    发明人： Yitzhack Schwartz ,  Assaf Govari ,  Shlomo Ben-Haim ,  Uri Yaron ,  Marcia Leatham

    IPC分类号： A61B18/18

    CPC分类号： A61B18/24 ,  A61B2017/22051 ,  A61B2018/2272

    摘要： A catheter introduction apparatus provides an optical assembly for emission of laser light energy. In one application, the catheter and the optical assembly are introduced percutaneously, and transseptally advanced to the ostium of a pulmonary vein. An anchoring balloon is expanded to position a mirror near the ostium of the pulmonary vein, such that light energy is reflected and directed circumferentially around the ostium of the pulmonary vein when a laser light source is energized. A circumferential ablation lesion is thereby produced, which effectively blocks electrical propagation between the pulmonary vein and the left atrium.

    摘要翻译： 导管引入装置提供用于发射激光能量的光学组件。 在一个应用中，导管和光学组件经皮引入，经皮递送到肺静脉的口。 锚固气囊被扩张以在靠近肺静脉的口处定位镜子，使得当激光源被激发时，光能被反射并周向地环绕肺静脉的口引导。 从而产生圆周消融损伤，其有效阻止肺静脉与左心房之间的电传播。

    Intracardiac drug delivery
    5.
    发明授权
    Intracardiac drug delivery 失效
    心内给药

    公开(公告)号：US06309370B1

    公开(公告)日：2001-10-30

    申请号：US09019453

    申请日：1998-02-05

    申请人： Shlomo Ben Haim ,  Uri Yaron ,  Avraham Matcovitch

    发明人： Shlomo Ben Haim ,  Uri Yaron ,  Avraham Matcovitch

    IPC分类号： A61M3100

    CPC分类号： A61M25/0082 ,  A61B2017/00247 ,  A61B2018/00392 ,  A61M25/0075 ,  A61M25/0084 ,  A61M2025/0076 ,  A61M2025/0089 ,  A61M2210/125

    摘要： Apparatus for intracardiac drug administration, including a catheter which is inserted into a chamber of the heart and brought into engagement with a site in the heart wall. The catheter includes at least one position sensor, which generates signals responsive to the position of the catheter within the heart, and a drug delivery device, which administers a desired dose of a therapeutic drug at the site determined responsive to the signals from the position sensor.

    摘要翻译： 用于心内给药的装置，包括插入心脏腔室并与心壁中的部位接合的导管。 导管包括至少一个位置传感器，其产生响应于心脏内的导管位置的信号，以及药物递送装置，其在响应于来自位置传感器的信号确定的位置处施用期望剂量的治疗药物 。

    Intracardiac drug delivery device utilizing spring-loaded mechanism
    6.
    发明授权
    Intracardiac drug delivery device utilizing spring-loaded mechanism 有权
    使用弹簧加载机构的心内药物输送装置

    公开(公告)号：US06254573B1

    公开(公告)日：2001-07-03

    申请号：US09383890

    申请日：1999-08-26

    申请人： Shlomo Ben Haim ,  Uri Yaron ,  Avraham Matcovitch

    发明人： Shlomo Ben Haim ,  Uri Yaron ,  Avraham Matcovitch

    IPC分类号： A61M520

    CPC分类号： A61M25/0082 ,  A61B2017/00247 ,  A61B2018/00392 ,  A61M25/0075 ,  A61M25/0084 ,  A61M2025/0076 ,  A61M2025/0089 ,  A61M2210/125

    摘要： An apparatus for intracardiac drug administration of a therapeutic drug comprises a catheter having a distal end and a drug delivery device which is driveable from the distal end. The drug delivery device includes a needle and a spring-loaded mechanism operatively connected to the needle. The spring-loaded mechanism drives the needle out of the distal end of the catheter upon administering of the therapeutic drug. The spring-loaded mechanism returns the needle within the distal end of the catheter after the administering of the therapeutic drug.

    摘要翻译： 用于治疗药物的心内给药的装置包括具有远端的导管和可从远端驱动的药物输送装置。 药物递送装置包括可操作地连接到针的针和弹簧加载机构。 弹簧加载机构在施用治疗药物时将针头从导管的远端驱动。 在施用治疗药物之后，弹簧加载机构使针在导管的远端内返回。