Method and apparatus for generating a functional data set of a perfused region of the human or animal body
    101.
    发明申请
    Method and apparatus for generating a functional data set of a perfused region of the human or animal body 有权
    用于产生人或动物体的灌注区域的功能数据集的方法和装置

    公开(公告)号:US20100246916A1

    公开(公告)日:2010-09-30

    申请号:US12729269

    申请日:2010-03-23

    IPC分类号: G06K9/00 G01N23/04

    摘要: A method and apparatus for generating at least one functional data set of a perfused region of the human or animal body are proposed. A first image data set is supplied comprising at least two images of the perfused region recorded at different times before and after an injection of contrast agent into a first artery supplying the region. A second image data set is supplied comprising at least two images of the perfused region recorded at different times before and after an injection of contrast agent into a second artery supplying the region. A first functional data set is generated by pixel-based calculation of at least one perfusion parameter from the first image data set. A second functional data set is generated by pixel-based calculation of at least one perfusion parameter from the second image data set.

    摘要翻译: 提出了一种用于产生人体或动物身体的灌注区域的至少一个功能数据集的方法和装置。 提供第一图像数据组,其包括在将造影剂注射到供应该区域的第一动脉之前和之后的不同时间记录的灌注区域的至少两个图像。 提供第二图像数据集,其包括在将造影剂注射到供应该区域的第二动脉之前和之后的不同时间记录的灌注区域的至少两个图像。 通过基于来自第一图像数据集的至少一个灌注参数的基于像素的计算来生成第一功能数据集。 通过基于来自第二图像数据集的至少一个灌注参数的基于像素的计算来生成第二功能数据集。

    Device and method for intraluminal imaging for the reconstruction of 3D image data sets
    102.
    发明授权
    Device and method for intraluminal imaging for the reconstruction of 3D image data sets 有权
    用于重建3D图像数据集的管腔内成像的装置和方法

    公开(公告)号:US07742797B2

    公开(公告)日:2010-06-22

    申请号:US11478509

    申请日:2006-06-29

    申请人: Thomas Redel

    发明人: Thomas Redel

    IPC分类号: A61B5/05

    摘要: The invention relates to a device and a method for intraluminal imaging. The device features an imaging instrument and a transport unit, with which the imaging instrument is moved in a lumen at a defined speed over a defined distance. The device further features a rigid, i.e. mechanically-stable singly or multiply curved guide pipe, which has an internal diameter matched to the external diameter of the imaging instrument to accommodate and guide the imaging instrument and is made from a material which is transparent for the radiation or to the waves used in imaging. The guide pipe features at least one marking detectable with the imaging at a known position on the guide pipe and is mechanically connectable to the transport unit. The device and the method make it possible in a simple manner to record a 3D image data set from the intraluminal recorded 2D sectional images.

    摘要翻译: 本发明涉及一种用于腔内成像的装置和方法。 该装置具有成像仪器和传送单元,成像仪器以规定的速度在限定的距离内以内腔移动成像仪器。 该装置还具有刚性,即机械稳定的单一或多重弯曲的导管,其具有与成像仪器的外径匹配的内径,以适应和引导成像仪器,并且由对于 辐射或成像中使用的波浪。 引导管具有至少一个可在引导管上的已知位置处通过成像检测的标记,并且可机械连接到输送单元。 该装置和方法使得可以以简单的方式从管腔内记录的2D截面图像记录3D图像数据集。

    Computerized workflow method for stent planning and stenting procedure
    103.
    发明授权
    Computerized workflow method for stent planning and stenting procedure 有权
    支架计划和支架手术的计算机化工作流程

    公开(公告)号:US07650179B2

    公开(公告)日:2010-01-19

    申请号:US11298772

    申请日:2005-12-09

    IPC分类号: A61B5/05

    摘要: In a computerized workflow method for stent planning and conducting a stenting procedure, characteristics of a lesion to be stented are determined from a 3D planning image of the region and selection of an actual stent for stenting the lesion is made with computer-assisted analysis of the lesion based on the characteristics. A virtual stent is electronically generated based on the actual stent, and, using the virtual stent, a best position for the actual stent, for effectively stenting the lesion, is determined. A real time 2D image of the lesion-containing region is displayed during the stenting procedure, with the virtual stent included therein at the aforementioned best position. A physician manually guides the actual stent relative to the lesion during the stenting procedure until the position of the actual stent, as seen in the displayed real time 2D image, coincides with the virtual stent in that image.

    摘要翻译: 在用于支架计划和进行支架置入程序的计算机化工作流程方法中,从该区域的3D计划图像确定要支架的病变特征,并且用计算机辅助分析来选择用于支架置入的实际支架的病变 病变基于特征。 基于实际的支架电子地生成虚拟支架,并且使用虚拟支架确定用于实际支架的最佳位置,用于有效支架的病变。 在支架植入过程中显示含病变区域的实时2D图像,其中包括虚拟支架在上述最佳位置。 医生在支架术过程中手动引导实际的支架相对于病变,直到实际的支架的位置(如所显示的实时2D图像所示)与该图像中的虚拟支架一致。

    X-ray system with an adjustment-acquisition device
    104.
    发明授权
    X-ray system with an adjustment-acquisition device 失效
    具有调整采集装置的X射线系统

    公开(公告)号:US07623622B2

    公开(公告)日:2009-11-24

    申请号:US11805819

    申请日:2007-05-24

    IPC分类号: G01N23/04

    摘要: A recording arrangement of an x-ray system comprises an x-ray source and an x-ray detector. Adjustment parameters can be manually supplied to the recording arrangement by an operator of the x-ray system, so that the x-ray source emits x-rays according to the manually given adjustment parameters and the x-ray detector accordingly acquires a sequence of images of an object. The manually supplied adjustment parameters can be automatically acquired by an acquisition device and stored in a remanent memory at least temporarily assigned to the acquisition device and remain stored after the completion of the acquisition of the sequence independently of a further operation of the x-ray system. The stored adjustment parameters can be retrieved from the remanent memory by the operator and supplied again to the recording arrangement so that a further sequence of images can be acquired according to the retrieved adjustment parameters.

    摘要翻译: x射线系统的记录装置包括x射线源和x射线检测器。 调整参数可以由x射线系统的操作者手动提供给记录装置,使得x射线源根据手动给出的调整参数发射X射线,并且x射线检测器相应地获取图像序列 的对象。 手动提供的调节参数可以由采集设备自动获取并存储在至少临时分配给采集设备的剩余存储器中,并且在完成序列的采集之后保持存储,而与x射线系统的进一步操作无关 。 存储的调整参数可以由操作者从剩余存储器检索并再次提供给记录装置,使得可以根据所检索的调整参数获取另外的图像序列。

    Device for obtaining perfusion images
    105.
    发明申请
    Device for obtaining perfusion images 有权
    用于获得灌注图像的装置

    公开(公告)号:US20080292049A1

    公开(公告)日:2008-11-27

    申请号:US11804903

    申请日:2007-05-21

    IPC分类号: A61B6/00

    摘要: A system and method for obtaining perfusion images is disclosed. The system and method includes hardware and software for determining physiological characteristics of a patient and determining imaging parameter values for an imaging modality based on the patient's physiological characteristics. The system also includes a controller operative to receive the imaging parameter values for controlling an X-ray device. The X-ray device is coupled with the controller and acquires projection images of the patient, and outputs the projection images to a perfusion evaluation computer for evaluating the perfusion of an region of interest represented in the projection images. The perfusion rate of the region of interest is then output to an output device, such as a display or printer.

    摘要翻译: 公开了一种用于获得灌注图像的系统和方法。 该系统和方法包括用于确定患者生理特征的硬件和软件,并且基于患者的生理特征确定成像模态的成像参数值。 该系统还包括可操作以接收用于控制X射线装置的成像参数值的控制器。 X射线装置与控制器耦合并获取患者的投影图像,并将投影图像输出到灌注评估计算机,以评估在投影图像中表示的感兴趣区域的灌注。 然后将感兴趣区域的灌注速率输出到诸如显示器或打印机的输出装置。

    Arrangement for supporting a percutaneous intervention
    107.
    发明申请
    Arrangement for supporting a percutaneous intervention 有权
    支持经皮干预的安排

    公开(公告)号:US20080208212A1

    公开(公告)日:2008-08-28

    申请号:US12070885

    申请日:2008-02-21

    IPC分类号: A61B19/00

    摘要: The invention relates to an arrangement for assisting a percutaneous intervention, comprising an imaging system for tomographic imaging, a robot registered therewith and devices for capturing movements of the patient. A processing unit registers a 4D image dataset recorded before the intervention with a 2D or 3D image dataset of the patient which was recorded immediately before the intervention by the imaging system at a defined respiratory position. From this image data, the access path is transmitted to the robot as a function of the movements captured during recording the 4D image dataset and registration, said robot in turn, depending on the instantaneous movement data, holding the instrument on a predetermined target path and preventing the instrument from being advanced by the person if and as long as the instantaneous movement data does not match the previously recorded movement data. The arrangement reduces the risk of puncture errors.

    摘要翻译: 本发明涉及一种用于辅助经皮干预的装置,包括用于层析成像的成像系统,与其注册的机器人以及用于捕获患者运动的装置。 处理单元将在介入之前记录的4D图像数据集与由被成像系统干预的紧急记录在定义的呼吸位置之间的患者的2D或3D图像数据集进行注册。 根据该图像数据,根据记录4D图像数据集并记录时记录的运动的函数,根据瞬时移动数据将仪器保持在预定的目标路径上,将访问路径传送到机器人,并且 如果和瞬时移动数据与先前记录的移动数据不匹配,则防止该仪器被人推进。 该布置降低了穿刺错误的风险。

    X-ray device having a dual energy mode and method to analyze projection images detected in the dual energy mode
    108.
    发明申请
    X-ray device having a dual energy mode and method to analyze projection images detected in the dual energy mode 有权
    具有用于分析在双能量模式中检测的投影图像的双能量模式和方法的X射线装置

    公开(公告)号:US20080044073A1

    公开(公告)日:2008-02-21

    申请号:US11809276

    申请日:2007-05-31

    IPC分类号: G06K9/00

    摘要: A sequence of groups of projection images shows an object under examination comprising a vascular system and its environment. A computer determines a 2-dimensional evaluation image having a plurality of pixels based on combination images determined from the projection images of a group. The combination images have a plurality of pixels with pixel values. The sequence of the combination images shows the time characteristic of the distribution of a contrast medium in the object. The pixels of the evaluation image correspond to those of the projection images. The computer assigns each pixel, at least in a part area of the evaluation image, a type that is characteristic of whether the respective pixel corresponds to a vessel of the vascular system, a perfusion area or a background. It performs the assignment of the type on the basis of the time characteristic of the pixel values of the combination images.

    摘要翻译: 一组投影图像的一系列显示一个被检查的物体,包括血管系统及其环境。 基于从组的投影图像确定的组合图像,计算机确定具有多个像素的二维评估图像。 组合图像具有多个具有像素值的像素。 组合图像的顺序示出了对象中造影剂的分布的时间特性。 评估图像的像素对应于投影图像的像素。 计算机至少在评估图像的一部分区域中分配每个像素,其特征在于各个像素是否对应于血管系统的血管,灌注区域或背景。 它根据组合图像的像素值的时间特性来执行类型的分配。

    Image evaluation method for two-dimensional projection images and objects corresponding thereto
    109.
    发明申请
    Image evaluation method for two-dimensional projection images and objects corresponding thereto 有权
    对应于其的二维投影图像和对象的图像评估方法

    公开(公告)号:US20070297658A1

    公开(公告)日:2007-12-27

    申请号:US11809073

    申请日:2007-05-31

    IPC分类号: G06K9/00

    摘要: In the English translation document, please replace the abstract with the following: 2-D projection images show the temporal profile of the distribution of a contrast medium in an examination object, which contains a vascular system and its surroundings. Each projection image comprises pixels with pixel values. The pixel values of pixels corresponding to one another in the projection images are defined by at least essentially locationally identical areas of the examination object. A computer assigns a uniform 2-D evaluation core that is uniform for all corresponding pixels at least in a sub-area of pixels corresponding to one another in the projection images that is uniform for the projection images. The computer defines at least one characteristic value for each pixel within each projection image based on the evaluation core assigned to the pixel and assigns it to the relevant pixel. Based on the temporal profile of the characteristic values, the computer defines parameters of at least one function of time, so that any deviation between the function parameterized with the parameters and the temporal profile of the characteristic values is minimized. Based on the parameters the computer defines a type and/or an extent and assigns them to a pixel of a 2-D evaluation image corresponding to the pixels of the projection images. The type indicates whether the respective pixel of the evaluation image corresponds to a vessel of the vascular system, a perfused part or a non-perfused part of the surroundings of a vessel of the vascular system. The extent is characteristic of perfusion. The computer outputs at least the sub-area of the evaluation image to a user via a display device.

    摘要翻译: 在英文翻译文件中,请将摘要替换为以下内容:2-D投影图像显示检查对象中造影剂分布的时间特征,其中包含血管系统及其周围环境。 每个投影图像包括具有像素值的像素。 在投影图像中彼此对应的像素的像素值由检查对象的至少基本上位置相同的区域限定。 计算机为投影图像中均匀的投影图像中至少在彼此对应的像素的子区域中为所有相应像素分配统一的2-D评估内核。 计算机基于分配给像素的评估核心为每个投影图像中的每个像素定义至少一个特征值,并将其分配给相关像素。 基于特征值的时间特征,计算机定义时间的至少一个函数的参数,使得参数化参数的函数与特征值的时间分布之间的任何偏差最小化。 基于参数,计算机定义类型和/或范围,并将它们分配给与投影图像的像素对应的2-D评估图像的像素。 该类型指示评估图像的各个像素是否对应于血管系统的血管系统的血管,血管系统的血管周围的灌注部分或非灌注部分。 其程度是灌注的特征。 计算机至少将评估图像的子区域经由显示装置输出给用户。

    Method for reconstructing a 3D presentation
    110.
    发明申请
    Method for reconstructing a 3D presentation 有权
    重建3D演示的方法

    公开(公告)号:US20070232886A1

    公开(公告)日:2007-10-04

    申请号:US11715533

    申请日:2007-03-08

    IPC分类号: A61B5/05

    摘要: The invention relates to a method for reconstructing a 3D presentation of a hollow organ based on two-dimensional catheter images, comprising: detecting at least two fluoroscopy images at two different angles of the hollow organ; determining a start position of the catheter from the fluoroscopy images in a three-dimensional model of the hollow organ or a catheter guide; determining a probable withdrawal path of the catheter based on the three-dimensional model; withdrawing the catheter while recording the catheter images and assigning a withdrawal length to each catheter image; determining the deviation of the position of the catheter from a central path running through the middle of the hollow organ and the orientation of the catheter for each catheter image based on the withdrawal path and the withdrawal length; and reconstructing the 3D presentation from the two-dimensional catheter images as well as the deviation of the position of the catheter.

    摘要翻译: 本发明涉及一种用于重建基于二维导管图像的中空器官的3D呈现的方法,包括:在所述中空器官的两个不同角度处检测至少两个荧光透视图像; 在所述中空器官或导管引导件的三维模型中从所述荧光透视图像确定所述导管的开始位置; 基于三维模型确定导管的可能的撤回路径; 在记录导管图像并将抽出长度分配给每个导管图像的同时取出导管; 基于取出路径和取出长度,确定导管的位置与穿过中空器官的中间的中心路径和每个导管图像的导管的取向的偏差; 并从二维导管图像重建3D呈现以及导管位置的偏差。