Arrangement and method for influencing and/or detecting magnetic particles
    1.
    发明授权
    Arrangement and method for influencing and/or detecting magnetic particles 有权
    影响和/或检测磁性颗粒的布置和方法

    公开(公告)号:US08971988B2

    公开(公告)日:2015-03-03

    申请号:US13320823

    申请日:2010-05-12

    摘要: The present invention relates to an arrangement and a method for influencing and/or detecting magnetic particles in a region of action, in particular for monitoring of intra-cerebral or intra-cranial bleeding using Magnetic Particle Imaging (MPI). A common coupling unit per coil of a coil array is provided for coupling all signals for generating the magnetic fields to the set of common coils. Further, the same coils are used for acquiring detection signals. In this way a small scanner can be built that can be left permanently or can be provided periodically to the patient, in particular for bleeding monitoring.

    摘要翻译: 本发明涉及用于影响和/或检测动作区域中的磁性颗粒的装置和方法,特别是用于使用磁性颗粒成像(MPI)监测脑内或脑内出血。 提供每个线圈阵列的每个线圈的公共耦合单元,用于将用于产生磁场的所有信号耦合到该组公共线圈。 此外,使用相同的线圈来获取检测信号。 以这种方式,可以构建可以永久地留下或可以定期向患者提供的小型扫描仪,特别是用于出血监测。

    ARRANGEMENT AND METHOD FOR INFLUENCING AND/OR DETECTING MAGNETIC PARTICLES
    2.
    发明申请
    ARRANGEMENT AND METHOD FOR INFLUENCING AND/OR DETECTING MAGNETIC PARTICLES 有权
    影响和/或检测磁性颗粒的装置和方法

    公开(公告)号:US20120065491A1

    公开(公告)日:2012-03-15

    申请号:US13320823

    申请日:2010-05-12

    IPC分类号: A61B5/05

    摘要: The present invention relates to an arrangement and a method for influencing and/or detecting magnetic particles in a region of action, in particular for monitoring of intra-cerebral or intra-cranial bleeding using Magnetic Particle Imaging (MPI). A common coupling unit per coil of a coil array is provided for coupling all signals for generating the magnetic fields to the set of common coils. Further, the same coils are used for acquiring detection signals. In this way a small scanner can be built that can be left permanently or can be provided periodically to the patient, in particular for bleeding monitoring.

    摘要翻译: 本发明涉及用于影响和/或检测动作区域中的磁性颗粒的装置和方法,特别是用于使用磁性颗粒成像(MPI)监测脑内或脑内出血。 提供每个线圈阵列的每个线圈的公共耦合单元,用于将用于产生磁场的所有信号耦合到该组公共线圈。 此外,使用相同的线圈来获取检测信号。 以这种方式,可以构建可以永久地留下或可以定期向患者提供的小型扫描仪,特别是用于出血监测。

    Multiscale localization procedure
    3.
    发明申请
    Multiscale localization procedure 有权
    多尺度定位程序

    公开(公告)号:US20060267579A1

    公开(公告)日:2006-11-30

    申请号:US10553771

    申请日:2004-04-14

    IPC分类号: G01R33/025

    摘要: Position measurements are often performed using a localization system with a given fixed capture range and accuracy and resolution. Having a fixed capture range often comes at the cost of decreased accuracy and resolution. According to the present invention, at the start, a large capture range is provided where the accuracy and resolution is low. In this large capture area, the target area can be identified and aimed at. With this identification, a smaller capture range is iteratively provided and centered around the region of interest, which leads to an increased accuracy and resolution.

    摘要翻译: 位置测量通常使用具有给定的固定捕获范围和精度和分辨率的定位系统执行。 具有固定的捕获范围通常来自降低精度和分辨率的代价。 根据本发明,开始时提供了精度和分辨率低的大的捕获范围。 在这个大的捕获区域,目标区域可以被识别和瞄准。 通过这种识别,迭代地提供较小的捕获范围并以感兴趣的区域为中心,这导致增加的精度和分辨率。

    Device and method for the determination of the position of a catheter in a vascular system
    4.
    发明授权
    Device and method for the determination of the position of a catheter in a vascular system 有权
    用于确定导管在血管系统中的位置的装置和方法

    公开(公告)号:US08983575B2

    公开(公告)日:2015-03-17

    申请号:US10597984

    申请日:2005-02-18

    摘要: The invention relates to a device and a method for the determination of the position of a catheter in a vascular system (8). In this, the measured positions (r1, r2) of two magnetic localizers at the tip of a catheter are displaced by correction vectors (k1, k2) while optimizing a quality dimension. The quality dimension includes a component taking account both of the deviation of the measured positions (r1, r2) from the vascular layout and of the deviation of the associated orientation (r2−r1) from the orientation of the vascular layout according to a vascular map. In addition, the quality dimension may include components which evaluate the measured shape of the catheter compared to the vascular map. An additional correction step can further ensure that the corrected positions (r1′, r2″) correspond to the preset fixed distance (d) of the localizers (4, 5).

    摘要翻译: 本发明涉及一种用于确定导管在血管系统(8)中的位置的装置和方法。 在此,在优化质量维度的同时,通过校正矢量(k1,k2)使导管尖端处的两个定位器的测量位置(r1,r2)移位。 质量维度包括考虑到血管布局的测量位置(r1,r2)的偏差和相关联取向(r2-r1)与血管布局的取向(根据血管图)的偏差的分量 。 此外,质量维度可以包括与血管图相比评估导管的测量形状的组件。 附加的校正步骤还可以确保校正位置(r1',r2“)对应于定位器(4,5)的预设固定距离(d)。

    Device and Method for the Determination of the Position of a Catheter in a Vascular System
    5.
    发明申请
    Device and Method for the Determination of the Position of a Catheter in a Vascular System 有权
    用于确定血管系统中导管位置的装置和方法

    公开(公告)号:US20080294034A1

    公开(公告)日:2008-11-27

    申请号:US10597984

    申请日:2005-02-18

    IPC分类号: A61B5/06 A61B5/05

    摘要: The invention relates to a device and a method for the determination of the position of a catheter in a vascular system (8). In this, the measured positions (r1, r2) of two magnetic localizers at the tip of a catheter are displaced by correction vectors (k1, k2) while optimizing a quality dimension. The quality dimension includes a component taking account both of the deviation of the measured positions (r1, r2) from the vascular layout and of the deviation of the associated orientation (r2−r1) from the orientation of the vascular layout according to a vascular map. In addition, the quality dimension may include components which evaluate the measured shape of the catheter compared to the vascular map. An additional correction step can further ensure that the corrected positions (r1′, r2″) correspond to the preset fixed distance (d) of the localizers (4, 5).

    摘要翻译: 本发明涉及一种用于确定导管在血管系统(8)中的位置的装置和方法。 在此,在优化质量维度的同时,通过校正矢量(k1,k2)使导管尖端处的两个定位器的测量位置(r1,r2)移位。 质量维度包括考虑到血管布局的测量位置(r1,r2)的偏差和相关联取向(r2-r1)与血管布局的取向(根据血管图)的偏差的分量 。 此外,质量维度可以包括与血管图相比评估导管的测量形状的组件。 附加的校正步骤还可以确保校正位置(r1',r2“)对应于定位器(4,5)的预设固定距离(d)。

    Catheter, apparatus and method for therapeutic embolization
    6.
    发明申请
    Catheter, apparatus and method for therapeutic embolization 审中-公开
    导管,治疗栓塞的装置和方法

    公开(公告)号:US20070167747A1

    公开(公告)日:2007-07-19

    申请号:US10598567

    申请日:2005-03-07

    IPC分类号: A61B5/05

    摘要: The invention relates to an apparatus and a method for the therapeutic embolization of an aneurysm (1) as well as to a catheter. A plugging material (2) is injected via a catheter (5) inserted into the aneurysm (1). During the injection, the spatial position of an active locator (3), such as a magnetic field sensor for example, which is fitted to the tip of the catheter (5) is observed by a locating device (8, 9). If emergence of the catheter tip from the aneurysm (1) is detected by a monitoring unit (7), said monitoring unit stops the further supply of plugging material to the catheter (5).

    摘要翻译: 本发明涉及一种用于动脉瘤(1)以及导管治疗栓塞的装置和方法。 通过插入到动脉瘤(1)中的导管(5)注射封堵材料(2)。 在注射期间,通过定位装置(8,9)观察到安装到导管(5)的尖端的有源定位器(3)(例如磁场传感器)的空间位置。 如果由监测单元(7)检测到来自动脉瘤(1)的导管尖端的出现,则所述监测单元停止向导管(5)进一步供应堵塞材料。