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    • 93. 发明授权
    • Method and device for catheter navigation in three-dimensional vascular tree exposures
    • 导管导航在三维血管树暴露中的方法和装置
    • US06317621B1
    • 2001-11-13
    • US09559044
    • 2000-04-27
    • Rainer GraumannNorbert Rahn
    • Rainer GraumannNorbert Rahn
    • A61B500
    • A61B6/12A61B6/481A61B6/501A61B6/504A61B6/506A61M25/0108
    • In a method and apparatus for catheter navigation in three-dimensional vascular tree exposures, particularly for intercranial application, the catheter position is detected and mixed into the 3D image of the pre-operatively scanned vascular tree reconstructed in a navigation computer and an imaging (registering) of the 3D patient coordination system ensues on the 3D image coordination system prior to the intervention using a number of markers placed on the patient's body, the position of these markers being registered by the catheter. The markers of a C-arm x-ray device for 3D angiography are detected in at least two 2D projection images, from which the 3D angiogram is calculated, and are projected back on to the imaged subject in the navigation computer and are brought into relation to the marker coordinates in the patient coordinate system, using projection matrices applied to the respective 2D projection images, these matrices already having been determined for the reconstruction of the 3D volume set of the vascular tree.
    • 在用于三维血管树暴露中的导管导航的方法和装置中,特别是对于颅内应用,导管位置被检测并混合到在导航计算机中重建的手术前扫描的血管树的3D图像和成像(登记 )的3D患者协调系统在使用放置在患者身体上的多个标记的干预之前在3D图像协调系统上进行,这些标记的位置由导管记录。 在至少两个2D投影图像中检测用于3D血管造影的C形臂X射线装置的标记,从该3D图像计算3D血管造影图,并且将其投射回导航计算机中的被摄体,并被关联 使用应用于各个2D投影图像的投影矩阵来确定患者坐标系中的标记坐标,这些矩阵已经被确定用于重建血管树的3D体积集。
    • 94. 发明授权
    • Method for merging medical images
    • 合并医学图像的方法
    • US08538504B2
    • 2013-09-17
    • US11007492
    • 2004-12-08
    • Martin KleenMarcus PfisterNorbert Rahn
    • Martin KleenMarcus PfisterNorbert Rahn
    • A61B5/05
    • A61B5/0073A61B5/0071A61B5/0084A61B5/055A61B6/032A61B6/5247A61B8/00A61B8/5238G06K9/32G06K2209/05G06T7/38
    • A method for the merged display of first image information captured using a first imaging device with second image information captured using a second imaging device is provided. The first imaging device records fluorescence images of the area under examination. A second 3D image data record of the area under examination is recorded using an examination procedure based on electromagnetic radiation, such as computer tomography (CT) or magnetic resonance imaging (MRI). The 3D fluorescence image data record and the second 3D image data record are registered with one another, and one or more fluorescence-optically marked, relevant areas of the examination volume, on the basis of the mapping rules determined by the registration process, are displayed on a monitor.
    • 提供了一种用于使用第一成像装置捕获的第一图像信息的合并显示的方法,其具有使用第二成像装置捕获的第二图像信息。 第一个成像装置记录被检查区域的荧光图像。 使用基于诸如计算机断层摄影(CT)或磁共振成像(MRI)的电磁辐射的检查程序记录被检查区域的第二3D图像数据记录。 将3D荧光图像数据记录和第二3D图像数据记录彼此登记,并且基于由注册过程确定的映射规则,显示检查卷的一个或多个荧光光学标记的相关区域 在监视器上。
    • 98. 发明授权
    • Method for supporting an interventional medical operation
    • 支持介入医疗的方法
    • US07860282B2
    • 2010-12-28
    • US11526176
    • 2006-09-22
    • Jan BoeseMarcus PfisterNorbert RahnBernhard Sandkamp
    • Jan BoeseMarcus PfisterNorbert RahnBernhard Sandkamp
    • G06K9/00A61B8/00
    • A61B90/36A61B34/10A61B34/20
    • With a method for supporting an interventional medical operation, a 3-dimensional image data set is recorded before the method. A positioning system is coupled with the coordinates system of the 3-dimensional image data set. The instrument is positioned and the position of the instrument in the 3-dimensional image data set is determined as an instrument image data point. Two further target image data points are determined in the target region, in which the instrument is to be guided. A plane is defined in this way. In this plane, the image data is used for a 2-dimensional display. Both the instrument image data point and also the two target image data points can be identified on the display, so that the target region of an interventional operation and an interventional medical device are displayed on an image at the same time. The image can be tracked during the interventional medical operation.
    • 利用支持介入医疗操作的方法,在方法之前记录三维图像数据集。 定位系统与三维图像数据集的坐标系相结合。 将仪器定位,并将仪器在3维图像数据组中的位置确定为仪器图像数据点。 在要引导仪器的目标区域中确定另外两个目标图像数据点。 以这种方式定义飞机。 在该平面中,图像数据用于二维显示。 可以在显示器上识别仪器图像数据点和两个目标图像数据点,使得介入操作的目标区域和介入医疗装置同时显示在图像上。 在介入医疗操作期间可以跟踪图像。
    • 100. 发明授权
    • Method for providing 3D x-ray image data record and an x-ray imaging system with a measuring facility for detecting the breathing phase of a patient
    • 用于提供3D X射线图像数据记录的方法和具有用于检测患者的呼吸阶段的测量设备的X射线成像系统
    • US07702064B2
    • 2010-04-20
    • US11897372
    • 2007-08-30
    • Jan BoeseNorbert Rahn
    • Jan BoeseNorbert Rahn
    • G01N23/00
    • A61B6/504A61B6/4441A61B6/541
    • The invention relates to a method for providing a 3D x-ray image data record of a patient, in particular of the heart, by an x-ray imaging system connected to a measuring facility which monitors the breathing phases of the patient. The x-ray image system is automatically activated repeatedly when a predetermined breathing phase is reached and an image acquisition operation is carried out, during which a plurality of 2D x-ray images are recorded. An individual 3D image data record is reconstructed from the 2D x-ray images of each image acquisition operation and the different 3D image data records are registered in pairs in order to assign them in a correct positional and dimensional arrangement. Registration parameters are obtained during the registration. The 3D image data record is reconstructed from 2D x-ray images from all image acquisition operations using the registration parameters.
    • 本发明涉及一种用于通过连接到监测患者的呼吸阶段的测量设备的x射线成像系统来提供患者,特别是心脏的3D X射线图像数据记录的方法。 当达到预定呼吸阶段并且执行图像获取操作时,X射线图像系统被重复地自动激活,在此期间记录多个2D X射线图像。 从每个图像获取操作的2D X射线图像重建单独的3D图像数据记录,并且成对登记不同的3D图像数据记录,以便将它们分配在正确的位置和尺寸排列中。 在注册期间获得注册参数。 使用注册参数从所有图像获取操作的2D x射线图像重建3D图像数据记录。