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    • 61. 发明申请
    • BACKLOADABLE OPTICAL SHAPE SENSING GUIDEWIRES
    • 可拆卸光学形状感应指南
    • US20130158512A1
    • 2013-06-20
    • US13819427
    • 2011-08-29
    • Luis Felipe GutierrezRobert ManzkeRaymond Chan
    • Luis Felipe GutierrezRobert ManzkeRaymond Chan
    • A61M25/09
    • A61M25/09A61B34/20A61B2034/2061A61M25/09041A61M2205/0244A61M2205/3592A61M2205/502G02B6/02042G02B6/02076G02B6/3831G02B6/3846G02B6/3878G02B6/3895
    • An optical guidewire system employs an optical guidewire (10), an optical guidewire controller (12), a guide interface (13) and an optical connector (15). The optical guidewire (10) is for advancing a catheter (20) to a target region relative to a distal end of the optical guidewire (10), wherein the optical guidewire (10) includes one or more guidewire fiber cores (11) for generating an encoded optical signal (16) indicative of a shape of the optical guidewire (10). The optical guidewire controller (12) is responsive to the encoded optical signal (16) for reconstructing the shape of the optical guidewire (10). The guidewire interface (13) includes one or more interface fiber core(s) (14) optically coupled to the optical guidewire controller (12). The optical connector (15) facilitates a connection, disconnection and reconnection of the optical guidewire (10) to the guidewire interface (13) that enables a backloading the catheter (20) on the optical guidewire (10).
    • 光导线系统采用光导线(10),光导线控制器(12),导向接口(13)和光连接器(15)。 光导线(10)用于将导管(20)相对于光导线(10)的远端推进到目标区域,其中光导线(10)包括一个或多个导丝纤维芯(11),用于产生 指示光导线(10)的形状的编码光信号(16)。 光导线控制器(12)响应于编码的光信号(16),用于重建光导线(10)的形状。 导丝接口(13)包括光学耦合到光导线控制器(12)的一个或多个接口光纤芯(14)。 光学连接器(15)有助于将导光线(10)连接,断开和重新连接到能够将导管(20)反馈到光导线(10)上的导丝接口(13)。
    • 62. 发明授权
    • System and method for enabling selection of an image registration transformation
    • 允许选择图像配准变换的系统和方法
    • US08380007B2
    • 2013-02-19
    • US12096648
    • 2006-12-05
    • Raymond C. ChanRobert ManzkeShunmugavelu SokkaVolker RascheVivek Reddy
    • Raymond C. ChanRobert ManzkeShunmugavelu SokkaVolker RascheVivek Reddy
    • G06K9/32
    • G06T7/38G06T7/35G06T2207/30004
    • System and method for enabling intra-operative selection of an image registration transformation for use in displaying a first image dataset and a second image dataset in correspondence with one another. Image dataset acquisition devices (12, 14) obtain the first and second image datasets. A similarity function indicative of a likelihood that the first and second image datasets are in correspondence with one another is computed by a processor (16) and then a ranking of each of a plurality of local maxima of the similarity function is determined. Registration transformations derived from a plurality of the local maxima are displayed on a display (18), and using a user-interface (22), a physician can select each registration transformation to ascertain visually whether it is the clinically-optimal registration transformation for subsequent use.
    • 用于使得能够在操作中选择图像配准变换以用于相互对应地显示第一图像数据集和第二图像数据集的系统和方法。 图像数据集获取装置(12,14)获得第一和第二图像数据集。 由处理器(16)计算指示第一和第二图像数据集彼此对应的可能性的相似度函数,然后确定相似度函数的多个局部最大值中的每一个的等级。 从多个本地最大值导出的登记变换被显示在显示器(18)上,并且使用用户界面(22),医师可以选择每个注册变换以在视觉上确定是否是用于后续的临床优化注册变换 使用。
    • 63. 发明授权
    • Shifting an object for complete trajectories in rotational X-ray imaging
    • 在旋转X射线成像中移动物体以获得完整的轨迹
    • US08045677B2
    • 2011-10-25
    • US12441613
    • 2007-09-17
    • Babak MovassaghiRobert ManzkeJoel Alberto Garcia
    • Babak MovassaghiRobert ManzkeJoel Alberto Garcia
    • G01N23/04G01N23/083
    • A61B6/0457A61B6/04A61B6/102A61B6/4441A61B6/4458A61B6/481A61B6/504A61B6/542A61B6/544A61B6/583
    • It is described a method for acquiring a series of two-dimensional X-ray attenuation data of an object under examination (310) by means of an X-ray imaging apparatus (100) having a rotatable scanning unit (301). In order to increase the angular range of the scanning unit (301), when a region of interest (HOa) located not in the center of the object (310) is examined the object under examination (310) is shifted such that the region of interest is temporarily positioned outside the center of rotation. By coupling the rotational movement of the scanning unit (301) with the translative movement of the object (310) in a synchronized manner a collision between the scanning unit (301) and the object (310) can be effectively avoided. By employing an automated motorized object table (312) a precise pre-determined movement of the object (310) can be achieved during the data acquisition. By using an appropriate phantom based calibration procedure carried out with the same table movements known three-dimensional reconstruction algorithm can be directly applied in order to generate a three-dimensional representation of the region of interest (110a).
    • 描述了一种通过具有可旋转扫描单元(301)的X射线成像设备(100)获取被检查物体(310)的一系列二维X射线衰减数据的方法。 为了增加扫描单元(301)的角度范围,当检查位于物体(310)中心的感兴趣区域(110a)被检查时,检查对象(310)被移动,使得区域 兴趣被暂时定位在旋转中心之外。 通过将扫描单元(301)的旋转运动与物体(310)的平移运动以同步的方式耦合,可以有效地避免扫描单元(301)和物体(310)之间的碰撞。 通过采用自动电动对象表(312),可以在数据采集期间实现物体(310)的精确的预定移动。 通过使用用相同的表移动执行的适当的基于幻影的校准程序,可以直接应用已知的三维重建算法,以便产生感兴趣区域(110a)的三维表示。