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    • 61. 发明申请
      WO2006062824A2 INSTRUMENT GUIDING STAGE APPARATUS AND METHOD FOR USING SAME 审中-公开
    • INSTRUMENT GUIDING STAGE APPARATUS AND METHOD FOR USING SAME
    • 仪器指导装置及其使用方法
    • WO2006062824A2
    • 2006-06-15
    • PCT/US2005/043651
    • 2005-12-02
    • IMAGE-GUIDED NEUROLOGICS, INC. , SOLAR, Matthew, S. , MILLER, Thomas, I. , SKAKOON, James, G.
    • SOLAR, Matthew, S. , MILLER, Thomas, I. , SKAKOON, James, G.
    • A61B19/00
    • A61B90/11 , A61B34/20
    • This documents describes among other things a normalizing stage apparatus, tools and methods. One example includes a base that defines a trajectory. A first stage is moveably coupled to the base and the first stage moves along the trajectory. A second stage is moveably coupled to the first stage and moves an instrument coupled thereto with respect to the base and the first stage. Before movement of the instrument, the first and second stages are in first positions desired (e.g. predetermined) distances from a target area in the body. Another example includes the first stage and a guide tube stop coupled with the first stage. A guide tube is coupled with the guide tube stop and extends through a guide tube stop lumen. The guide tubes outer perimeter is dimensioned and configured to snugly couple with the surface defining the guide tube stop lumen.
    • 本文件描述了归一化阶段装置，工具和方法。 一个例子包括定义轨迹的基座。 第一阶段可移动地联接到基座，并且第一阶段沿轨迹移动。 第二阶段可移动地联接到第一阶段并且移动相对于基座和第一平台耦合到其上的仪器。 在仪器移动之前，第一和第二阶段处于从身体中的目标区域所需的（例如预定的）距离的第一位置。 另一个例子包括第一阶段和与第一阶段联接的导管停止。 引导管与引导管止动件连接并延伸穿过导管止动腔。 引导管外周的尺寸和构造使其与限定引导管止血腔的表面紧密耦合。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Global Dossier Espacenet 法律信息 同族专利 专利引用
    • 68. 发明公开
      EP1139110A2 Device with field-modifying structure 有权
    • Device with field-modifying structure
    • 施特鲁姆特尔（Gerätmit einerfeldänderndenStruktur）
    • EP1139110A2
    • 2001-10-04
    • EP01302547.3
    • 2001-03-19
    • Image-Guided Neurologics, Inc.
    • Viswanathan, Raju R. , Ragavahan, Raghu
    • G01R33/34
    • G01R33/34084 , G01R33/287 , G01R33/34053
    • A device, such as a medical device, having a distribution of microcoils may be used within an organism under Magnetic Resonant Imaging visualization. The distribution of microcoils on the device being selected from the group consisting of a) at least one pair of opposed RF receiver microcoils having a space between each microcoil of said pair of microcoils, at least one of the coils of said microcoils having at least one adjacent pair of windings on at least one microcoil in which a diameter of one winding on the at least one microcoil increases in winding diameter with respect to a diameter of an adjacent winding; b) at least one pair of radially opposed microcoils physically associated with the solid body, each microcoil having an outside microcoil diameter of 6mm or less, individual windings of said each microcoil together defining a geometric plane for each microcoil, and the plane of each microcoil being parallel to the plane of another microcoil in the pair of radially opposed microcoils; c) at least one RF receiver, the coils of said microcoils defining a cross-section that lies in a plane oriented at 0 to 80 degrees to the longest axis of the device; d) at least one wound microcoil with at least three windings on the microcoil, each winding having an aspect ratio of greater than one, the aspect ratio of each winding being measured as the ratio of longest to shortest dimension in a cross section situated approximately transverse to the winding axis of the coil windings, said winding axis also being transverse to the longest axis of said device; e) at least one microcoil in which a diameter of one winding on the at least one microcoil increases in winding diameter with respect to a diameter of an adjacent winding; f) diameters of at least three consecutive windings within a microcoils increase in diameter with respect to an adjacent winding while moving along the same direction parallel to an axis of the microcoil; g) an element having at least one RF receiver microcoil, the coils of said microcoils defining a cross-sectional contour having an alignment value of at least 0.75 with the longest axis of the device; h) said device is cylindrical, and in response to radiofrequency transmission, generates a reception field which has an average strength that diminishes by a factor of at least 10 from an area defined by a cylinder of 1.5 cm about a core axis of said cylindrical device to an area defined by a cylinder of 4.0 cm about the core axis of said cylindrical device; i) a solid body having at least one pair of opposed microcoils physically associated with the solid body, each microcoil having an outside microcoil diameter of 6mm or less, collective individual windings of said each microcoil defining a geometric plane, and the plane of each microcoil being parallel to the plane of another microcoil in the pair of opposed microcoils; j) a solid body having at least one pair of opposed microcoils physically associated with the solid body, each microcoil having an outside microcoil diameter of 6mm or less, at least 50 number % of individual windings of said each microcoil intersecting a geometric plane, and the geometric plane of each microcoil being parallel to the plane of another microcoil in the pair of opposed microcoils, and there being at least four windings within each microcoil in said at least one pair of opposed microcoils; k) a solid body having at least one pair of radially opposed microcoils physically associated with the solid body, each microcoil having an outside microcoil diameter of 6mm or less, with at least one pair of opposed microcoils physically associated with the solid body at a distal end, at least 50 number % of individual windings of said each microcoil lying within a geometric plane; 1) a solid body having at least one pair of radially opposed microcoils physically associated with the solid body, each microcoil having an outside microcoil diameter of 6mm or less, all individual windings of said each microcoil intersecting a geometric plane, and the plane of each microcoil being parallel to the plane of another microcoil in the pair of radially opposed microcoils; m) a solid body having at least one microcoil physically associated with the solid body, each microcoil having an outside microcoil diameter of 6mm or less, at least 50 number % of individual windings of said each microcoil intersecting a geometric plane perpendicular to an axis of said microcoil; and n) a solid body having at least one microcoil physically associated with the solid body, each microcoil having an outside microcoil diameter of 6mm or less and a common axis, with at least one microcoil physically associated with the solid body at a distal end, at least 50% of individual windings of said each microcoil intersecting a geometric plane perpendicular to said common axis.
    • 具有微线圈分布的诸如医疗装置的装置可以在磁共振成像可视化下在生物体内使用。 所述器件上的微线圈的分布选自a）至少一对相对的RF接收器微线圈，所述至少一对相对RF接收器微线圈在所述一对微线圈之间具有每个微线圈之间的空间，所述微线圈的至少一个线圈具有至少一个 至少一个微线圈上的相邻的一对绕组，其中所述至少一个微线圈上的一个绕组的直径相对于相邻绕组的直径增加了绕组直径; b）至少一对与固体物理相关的径向相对的微型线圈，每个微线圈具有6mm或更小的外部微线圈直径，所述每个微型线圈的单独绕组一起限定每个微线圈的几何平面，并且每个微型线圈的平面 平行于一对径向相对的微线圈中的另一微线圈的平面; c）至少一个RF接收器，所述微线圈的线圈限定了一个横截面，该横截面位于与器件的最长轴线成0度到80度的平面中; d）在微线圈上具有至少三个绕组的至少一个绕组微线圈，每个绕组具有大于1的纵横比，每个绕组的纵横比被测量为在大约横向的横截面中的最长与最短尺寸的比 到所述线圈绕组的卷绕轴线，所述卷绕轴线也横向于所述装置的最长轴线; e）至少一个微线圈，其中所述至少一个微线圈上的一个绕组的直径相对于相邻绕组的直径增加绕组直径; f）微线圈内的至少三个连续绕组的直径相对于相邻的绕组在沿与微线圈的轴线平行的相同方向移动时直径增加; g）具有至少一个RF接收器微线圈的元件，所述微线圈的线圈限定具有与器件的最长轴线至少为0.75的对准值的横截面轮廓; h）所述装置是圆柱形的，并且响应于射频传输，产生接收场，其平均强度从围绕所述圆柱形装置的芯轴的1.5cm的圆柱体限定的区域至少减小10倍 到由围绕所述圆柱形装置的芯轴的4.0cm的圆筒限定的区域; i）固体，其具有与固体物理相关的至少一对相对的微线圈，每个微线圈具有6mm或更小的外部微线圈直径，所述每个微线圈的集体单独绕组限定几何平面，并且每个微线圈的平面 平行于一对相对的微线圈中的另一微线圈的平面; j）固体，其具有与固体物理相关的至少一对相对的微线圈，每个微线圈具有6mm或更小的外部微线圈直径，所述每个微线圈的单个绕组的至少50％与几何平面相交;以及 每个微线圈的几何平面平行于所述一对相对的微线圈中的另一个微音圈的平面，并且在所述至少一对相对的微卷轴内的每个微音圈内至少有四个绕组; k）具有至少一对径向相对的微型线圈的固体，其与所述固体物理相关联，每个微线圈具有6mm或更小的外部微线圈直径，至少一对相对的微线圈在远端物理上与所述固体本体相关联 所述每个微螺线管的单个绕组的至少50个数量位于几何平面内; 1）固体，其具有与固体物理相关的至少一对径向相对的微线圈，每个微线圈具有6mm或更小的外部微线圈直径，所述每个微卷轴的所有单个绕组与几何平面相交，并且每个 MICR
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Global Dossier Espacenet 法律信息 同族专利 专利引用
    • 69. 发明公开
      EP1007132A2 MR-COMPATIBLE MEDICAL DEVICES 审中-公开
    • MR-COMPATIBLE MEDICAL DEVICES
    • 磁共振兼容医疗器械
    • EP1007132A2
    • 2000-06-14
    • EP98943228.1
    • 1998-08-18
    • Image-Guided Neurologics, Inc.
    • TRUWIT, Charles, L. , LIU, Haiying
    • A61M25/00
    • A61B5/4839 , A61B5/055 , A61B5/06 , A61M25/0108
    • The use of devices in procedures, especially medical procedures where the events take place under view of Magnetic Resonance Imaging (MRI) systems is becoming more important. Although some general and specific structures have been discussed in the literature and commercialized, little has been done effectively to design devices for MRI procedures for specific tasks. The present invention describes a device for use within an organism, said device comprising an element (2) having at least one pair of opposed RF receiver microcoils (10, 16) having a space (19) between each microcoil of said pair of microcoils, the coils of said microcoils may have diameters of less than 2.4 mm. Circuitry may be insulated within the device by providing the wires and circuits within different layers in a coaxial layering of components within the catheter. The device may also comprise an element (2) having at least one pair of opposed RF receiver microcoils (10, 16) having a space (19) between each microcoil of said pair of microcoils, the RF receiver microcoils each comprising at least three individual windings, the at least three individual windings of said microcoils having spacing between adjacent windings (10, 32; 16, 18) so that spacing between at least two pairs of individual windings within the microcoils differ by at least 10 %.
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Global Dossier Espacenet 法律信息 同族专利 专利引用
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