ANATOMICALLY AND FUNCTIONALLY ACCURATE SOFT TISSUE PHANTOMS AND METHOD FOR GENERATING SAME
    1.
    发明申请
    ANATOMICALLY AND FUNCTIONALLY ACCURATE SOFT TISSUE PHANTOMS AND METHOD FOR GENERATING SAME 审中-公开
    非正式和功能准确的软组织方法及其产生方法

    公开(公告)号:US20100047752A1

    公开(公告)日:2010-02-25

    申请号:US12520326

    申请日:2007-12-19

    IPC分类号: G09B23/30 B32B38/04 B28B5/00

    摘要: A method, system and apparatus for manufacturing anatomically and functionally accurate soft tissue phantoms with multimodality characteristics for imaging studies is disclosed. The organ/tissue phantom is constructed by filling a container containing an organ having inner vasculature therein with a molten elastomeric material; inserting a plurality of rods with bumps thereupon through the container and the organ; allowing the molten elastomeric material to harden and cure; removing the organ; replacing the organ with a plurality of elastomeric segments; and removing an elastomeric segment and replacing the void created thereupon with molten PVA to create a PVA segment; allowing the molten PVA segment to harden and cure; and repeating the creation of PVA segments until all the elastomeric segments have been removed, such that each successive molten PVA segment adheres to and fuses with the previous hardened PVA segment so as to form an approximately complete organ phantom cast. The organ/tissue phantom is completed by inserting the approximately complete organ phantom cast inserting upside-down into a fixture made from the bottom-most elastomeric segment, which contains molten PVA; and allowing the molten PVA to harden and cure.

    摘要翻译: 公开了一种用于制造具有用于成像研究的多模态特征的解剖学和功能上精确的软组织模体的方法,系统和装置。 器官/组织体模是通过将含有内部脉管系统的器官的容器用熔融的弹性材料填充而构成的; 在其上插入多个具有凸块的杆穿过容器和器官; 使熔融的弹性体材料硬化和固化; 去除器官 用多个弹性片段代替器官; 并除去弹性链段并用熔融的PVA代替其上产生的空隙以产生PVA链段; 使熔融的PVA段硬化和固化; 并重复创建PVA片段,直到所有的弹性体片段都被去除,使得每个连续的熔融PVA片段粘附并与先前硬化的PVA片段熔合,从而形成近似完整的器官体模。 通过将近似完整的器官体模插入插入由最下面的弹性片段制成的夹具中来完成器官/组织体模,所述夹具包含熔融的PVA; 并使熔融的PVA硬化和固化。

    FLEXIBLE TETHER WITH INTEGRATED SENSORS FOR DYNAMIC INSTRUMENT TRACKING
    3.
    发明申请
    FLEXIBLE TETHER WITH INTEGRATED SENSORS FOR DYNAMIC INSTRUMENT TRACKING 有权
    具有集成传感器用于动态仪器跟踪的柔性四面体

    公开(公告)号:US20130188855A1

    公开(公告)日:2013-07-25

    申请号:US13877343

    申请日:2011-10-06

    IPC分类号: A61B5/00

    摘要: A system and method are provided for tracking a functional part of an instrument during an interventional procedure and displaying dynamic imaging corresponding to a functional part of the instrument. The system comprises: at least one instrument; a system for acquiring anatomical images relevant to guiding the instrument; a tether connected to the imaging system at a fixed end and connected to the instrument at a distal end, the tether comprising at least one longitudinal optical fiber with a plurality of optical shape sensors; an optical console that interrogates the sensors and detects reflected light; and a processor that calculates local curvature at each sensor location to determine the three-dimensional shape of the tether and determines the location and orientation of the instrument relative to the images using the local curvatures of the tether and the location of the fixed end of the tether.

    摘要翻译: 提供了一种系统和方法,用于在介入过程期间跟踪仪器的功能部分,并显示对应于仪器的功能部分的动态成像。 该系统包括:至少一个仪器; 用于获取与引导仪器相关的解剖图像的系统; 在固定端连接到成像系统并在远端连接到仪器的系绳,所述系绳包括具有多个光学形状传感器的至少一个纵向光纤; 光学控制台,用于询问传感器并检测反射光; 以及处理器,其计算每个传感器位置处的局部曲率以确定系绳的三维形状,并且使用系绳的局部曲率和固定端的位置来确定乐器相对于图像的位置和取向 系绳

    FLEXIBLE INSTRUMENT CHANNEL INSERT FOR SCOPE WITH REAL-TIME POSITION TRACKING
    5.
    发明申请
    FLEXIBLE INSTRUMENT CHANNEL INSERT FOR SCOPE WITH REAL-TIME POSITION TRACKING 审中-公开
    灵活的仪器通道插入与实时位置跟踪范围

    公开(公告)号:US20130109957A1

    公开(公告)日:2013-05-02

    申请号:US13521579

    申请日:2010-12-06

    IPC分类号: A61B5/06

    摘要: An apparatus, system and method determining a position of an instrument (100) are provided. A sheath (104) is configured to fit within an instrument channel of a medical scope. An optical fiber (112) is disposed within the sheath and a plurality of sensors (106) is integrated in optical fiber. The sensors are configured to measure deflections and bending in the optical fiber. A fixing mechanism (140) is sized to fit within the instrument channel in a first state and fixes the sheath within the instrument channel in a second state such that the fixing mechanism anchors the sheath and the optical fiber so that the deflections and bending in the optical fiber are employed to determine a position of the instrument.

    摘要翻译: 提供了一种确定仪器(100)的位置的装置,系统和方法。 护套(104)被配置为装配在医疗范围的仪器通道内。 光纤(112)设置在护套内,多个传感器(106)集成在光纤中。 传感器被配置成测量光纤中的偏转和弯曲。 固定机构(140)的尺寸被设计成在第一状态下装配在仪器通道内,并且在第二状态下将护套固定在仪器通道内,使得固定机构锚固护套和光纤,使得在 光纤用于确定仪器的位置。

    Method and system for characterizing and visualizing electromagnetic tracking errors
    8.
    发明授权
    Method and system for characterizing and visualizing electromagnetic tracking errors 有权
    表征和可视化电磁跟踪误差的方法和系统

    公开(公告)号:US09165114B2

    公开(公告)日:2015-10-20

    申请号:US13582062

    申请日:2011-02-21

    摘要: A calibration/surgical tool includes an electromagnetic sensor array of two or more electromagnetic sensors in a known geometrical configuration. Electromagnetic tracking errors are characterized by a mapping of pre-operative absolute and relative errors based on a movement of a calibrated calibration/surgical tool through a pre-operative electromagnetic field. Using statistical mapping, a desired absolute error field is measured either in the clinic as the part of daily quality control checks, or before the patient comes in or in vivo. A resulting error field may be displayed to the physician to provide clear visual feedback about measurement confidence or reliability of localization estimates of the absolute errors in electromagnetic tracking.

    摘要翻译: 校准/外科手术工具包括具有已知几何构型的两个或多个电磁传感器的电磁传感器阵列。 电磁跟踪误差的特征在于基于校准的校准/外科手术工具通过术前电磁场的运动的术前绝对和相对误差的映射。 使用统计映射,期望的绝对误差字段在诊所中测量为日常质量控制检查的一部分,或患者进入或体内之前。 可以向医师显示产生的误差字段,以提供关于电磁跟踪中的绝对误差的定位估计的测量置信度或可靠性的清晰的视觉反馈。

    METHOD AND SYSTEM FOR CHARACTERIZING AND VISUALIZING ELECTROMAGNETIC TRACKING ERRORS
    9.
    发明申请
    METHOD AND SYSTEM FOR CHARACTERIZING AND VISUALIZING ELECTROMAGNETIC TRACKING ERRORS 有权
    用于表征和可视化电磁跟踪误差的方法和系统

    公开(公告)号:US20120323111A1

    公开(公告)日:2012-12-20

    申请号:US13582062

    申请日:2011-02-21

    IPC分类号: A61B5/055

    摘要: A calibration/surgical tool (90, 160) includes an electromagnetic sensor array (30) of two or more electromagnetic sensors in a known geometrical configuration. Electromagnetic tracking errors are characterized by a mapping of pre-operative absolute and relative errors based on a movement of a calibrated calibration/surgical tool (90, 160) through a pre-operative electromagnetic field. Using statistical mapping, a desired absolute error field (46) is measured either in the clinic as the part of daily quality control checks, or before the patient comes in or in vivo. A resulting error field (46) may be displayed to the physician to provide clear visual feedback about measurement confidence or reliability of localization estimates of the absolute errors in electromagnetic tracking.

    摘要翻译: 校准/外科手术工具(90,160)包括具有已知几何构型的两个或多个电磁传感器的电磁传感器阵列(30)。 电磁跟踪误差的特征在于基于经校准的校准/外科手术工具(90,160)通过术前电磁场的运动的术前绝对和相对误差的映射。 使用统计学绘图,在临床上测量期望的绝对误差场(46)作为日常质量控制检查的一部分,或患者进入或体内之前。 可以向医师显示产生的误差字段(46),以提供关于电磁跟踪中的绝对误差的定位估计的测量置信度或可靠性的清晰的视觉反馈。