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1. 发明授权

US06611578B2 X-ray examination apparatus 失效
标题翻译： X光检查仪
公开(公告)号：US06611578B2
公开(公告)日：2003-08-26
申请号：US10028119
申请日：2001-12-21
申请人： Rudolph Maria Snoeren , Johannes Catharina Antonius Op De Beek , Matthijs Adriaansz
发明人： Rudolph Maria Snoeren , Johannes Catharina Antonius Op De Beek , Matthijs Adriaansz
IPC分类号： G21K300
CPC分类号： G21K1/10
摘要： The present invention provides an X-ray examination apparatus, comprising an X-ray source, an X-ray detector, a filter arranged between said source and said detector, said filter comprising an array of filter elements having X-ray absorbtivities that can be adjusted by means of control voltages, a control circuit for supplying said control voltages to said filter elements, and an object support arranged between said filter and said detector, said station being adapted to support an object to be exposed to X-ray radiation emanating from said source, the transmitted X-ray radiation being detected by said detector, said control circuit being adapted to supply said control voltages in single-sequence fashion to groups of adjacent filter elements.
摘要翻译：本发明提供了一种X射线检查装置，包括X射线源，X射线检测器，布置在所述源和所述检测器之间的滤波器，所述滤波器包括具有可被调整的X射线吸收能力的滤波器元件阵列通过控制电压提供用于将所述控制电压提供给所述滤波器元件的控制电路，以及布置在所述滤波器和所述检测器之间的对象支撑件，所述站适于支撑待暴露于从所述源发出的X射线辐射的物体由所述检测器检测到所发射的X射线辐射，所述控制电路适于将所述控制电压以单次方式提供给相邻过滤元件的组。

2. 发明授权

US06959067B2 X-ray imaging method and a 3D-rotational X-ray apparatus for applying this method 失效
标题翻译： X射线成像方法和应用该方法的3D旋转X射线装置
公开(公告)号：US06959067B2
公开(公告)日：2005-10-25
申请号：US10022383
申请日：2001-10-30
申请人： Volker Rasche , Steffen Weiss , Johannes Catharina Antonius Op De Beek
发明人： Volker Rasche , Steffen Weiss , Johannes Catharina Antonius Op De Beek
IPC分类号： A61B6/00
CPC分类号： A61B6/541 , A61B6/481 , A61B6/504
摘要： An X-ray imaging method comprises forming 2-dimensional X-ray images of an object to be examined, for example the coronary vascular system of a patient, and reconstruction of a 3-dimensional volume thereof. With a relatively long run length of a scan rotation over substantially 180° of at least 15 sec. and preferably about 20 sec. A sufficient number of images is obtained to perform a more accurate volume reconstruction. This reconstruction method may be combined with existing modelling techniques.
摘要翻译： X射线成像方法包括形成待检查对象的2维X射线图像，例如患者的冠状血管系统，以及其3维体积的重建。具有在大约180°至少15秒的扫描旋转的相对较长的行程长度。优选约20秒。获得足够数量的图像以执行更精确的体积重建。这种重建方法可以与现有的建模技术相结合。

3. 发明授权

US06931093B2 Method and apparatus for visualizing a 3D data set 失效
标题翻译：用于可视化3D数据集的方法和装置
公开(公告)号：US06931093B2
公开(公告)日：2005-08-16
申请号：US10477822
申请日：2002-05-16
申请人： Johannes Catharina Antonius Op De Beek , Reiner Koppe , Erhard Paul Artur Klotz
发明人： Johannes Catharina Antonius Op De Beek , Reiner Koppe , Erhard Paul Artur Klotz
IPC分类号： A61B6/03 , A61B6/00 , A61B6/02 , G06T11/00 , H04N5/32 , H04N7/18 , H04N13/00 , G01N23/083
CPC分类号： A61B6/4225 , A61B6/461 , G06T11/006 , G06T2211/436 , H04N5/32 , H04N13/221 , H04N13/254 , H04N13/296 , Y10S378/901
摘要： For imaging a 3D data set the method of the invention comprises the following steps in succession: acquisition of images, reconstructing a 3D data set, followed by visualization, the reconstruction being started with a limited initial range of orientations around the direction of a local midprojection from a starting point so as to be visualized, the acquisition being continued during visualization and the reconstruction being updated in accordance with the additional acquisition obtained up to a final result. In particular, the selected part comprises a first visualization covering a range of from about 40° to 60°, with a midprojection at about from 20° to 30°.
摘要翻译：为了对3D数据集进行成像，本发明的方法包括以下步骤：拍摄图像，重建3D数据集，随后可视化，重建以围绕局部中间投影方向的有限的初始取向范围开始从起点开始可视化，在可视化期间继续进行采集，并根据获得的最终结果获得的附加获取更新重建。特别地，所选择的部分包括覆盖约40°至60°的范围的第一可视化，中间投影约为20°至30°。

4. 发明授权

US06813334B2 Tomosynthesis in a limited angular range 失效
标题翻译：有限角度范围内的合成
公开(公告)号：US06813334B2
公开(公告)日：2004-11-02
申请号：US10082865
申请日：2001-10-19
申请人： Reiner Koppe , Erhard Paul Arthur Klotz , Johannes Catharina Antonius Op De Beek
发明人： Reiner Koppe , Erhard Paul Arthur Klotz , Johannes Catharina Antonius Op De Beek
IPC分类号： G01N2300
CPC分类号： A61B6/4441 , A61B6/025 , A61B6/4464
摘要： A method and system of forming an X-ray layer image of an object being examined by an X-ray device having an X-ray source and an X-ray detector is described. At least one of the X-ray source and the X-ray detector can be displaced in an angular range around the object in order that X-ray projection images are acquired from different directions. When forming only a single X-ray layer image, or a plurality of X-ray layer images of parallel layers of the object, the time required for the acquisition of the X-ray projection images is notably reduced by forming the X-ray layer image directly from the X-ray projection images, where the resulting X-ray layer image is situated in a plane which extends essentially perpendicularly to the bisector of the angular range of displacement. The angular range of displacement can be less then 180°. The system and method is notably applicable to a C-arm X-ray device, in which the angular range can be chosen at will.
摘要翻译：描述了由具有X射线源和X射线检测器的X射线装置检查的物体的X射线层图像的形成方法和系统。 X射线源和X射线检测器中的至少一个可以在物体周围的角度范围内移位，以便从不同的方向获取X射线投影图像。当仅形成单个X射线层图像或者对象的平行层的多个X射线层图像时，通过形成X射线层而显着地减少了X射线投影图像的采集所需的时间图像直接从X射线投影图像，其中所得的X射线层图像位于基本上垂直于角度范围的平分线延伸的平面中。位移的角度范围可以小于180°。该系统和方法特别适用于C臂X射线装置，其中可以随意选择角度范围。

5. 发明授权

US07127091B2 Method and apparatus for visualizing a limited part of a 3D medical image-point-related data set, through basing a rendered image on an intermediate region between first and second clipping planes, and including spectroscopic viewing of such region 失效
标题翻译：用于通过将渲染图像基于第一和第二剪切平面之间的中间区域，并且包括这样的区域的光谱观察来将三维医学图像点相关数据集的有限部分可视化的方法和装置
公开(公告)号：US07127091B2
公开(公告)日：2006-10-24
申请号：US10023167
申请日：2001-12-18
申请人： Johannes Catharina Antonius Op De Beek , Reiner Koppe , Erhard Paul Artur Klotz
发明人： Johannes Catharina Antonius Op De Beek , Reiner Koppe , Erhard Paul Artur Klotz
IPC分类号： G06K9/00
CPC分类号： G06T15/30 , Y10S128/922
摘要： For visualizing a limited part of a 3D medical image-point-related data set, Selectively, a geometrically selected part of the data set is suppressed and an image rendered based on any non-suppressed part of the data set. The selected geometrically selected part includes a first selection containing all points associated to a nearer region with respect to a first clipping plane, and all points associated to a farther region with respect to a second clipping plane, respectively. The image rendered thereby is based on an intermediate region between the first clipping plane and the second clipping plane.
摘要翻译：为了可视化3D医疗图像点相关数据集的有限部分，选择性地，数据集的几何选择的部分被抑制，并且基于数据集的任何未被抑制的部分呈现图像。所选择的几何选择部分包括分别包含与相对于第一剪切平面相邻的更靠近区域的所有点以及相对于第二剪切平面与更远的区域相关联的所有点的第一选择。由此渲染的图像基于第一剪裁平面和第二剪切平面之间的中间区域。

6. 发明授权

US07103135B2 Method and apparatus for generating an improved image of natural tissue in reconstructing body images from 3D-measurements 失效
标题翻译：用于在从3D测量重建身体图像中产生改善的天然组织图像的方法和装置
公开(公告)号：US07103135B2
公开(公告)日：2006-09-05
申请号：US10524422
申请日：2003-07-24
申请人： Reiner Koppe , Johannes Catharina Antonius Op De Beek , Erhard Paul Artur Klotz
发明人： Reiner Koppe , Johannes Catharina Antonius Op De Beek , Erhard Paul Artur Klotz
IPC分类号： A61B6/03
CPC分类号： G06T11/005 , A61B6/5258 , G06T5/005 , G06T5/20 , G06T7/11 , G06T7/136 , G06T2200/04 , G06T2207/10081 , G06T2207/30004 , Y10S378/901
摘要： A method is disclosed for generating images of a human or animal body on the basis of 3D-reconstructions from 3D-XRAY or 3D-Computer Tomography measurements, which bodies comprise both natural tissue and one or more high-density objects. The method comprises the steps of executing the measurements, distinguishing the one or more high-density objects and executing a separating procedure thereon for generating an improved image of regions of the natural tissue. In particular, the method comprises the following steps: applying a ramp filter on the various projection measurements to single out the one or more high-density objects; segmenting the singled-out one or more high-density objects into a separate 3D reconstruction; suppressing the reconstructed one or more high-density objects from the original projection measurements; and segmenting said projection measurements without the suppressed one or more high-density objects.
摘要翻译：公开了一种基于3D-XRAY或3D-计算机断层摄影测量的3D重建来生成人体或动物体的图像的方法，其中该身体包括天然组织和一个或多个高密度物体。该方法包括以下步骤：执行测量，区分一个或多个高密度物体并执行其上的分离程序，以产生天然组织区域的改进图像。特别地，该方法包括以下步骤：对各种投影测量应用斜坡滤波器以单个一个或多个高密度物体; 将单独的一个或多个高密度物体分割成单独的3D重建; 从原始投影测量中抑制重建的一个或多个高密度物体; 并且分割所述投影测量而不抑制一个或多个高密度物体。

7. 发明授权

US06788759B2 X-ray examination apparatus for reconstructing a three-dimensional data set from projection images 失效
标题翻译：用于从投影图像重建三维数据集的X射线检查装置
公开(公告)号：US06788759B2
公开(公告)日：2004-09-07
申请号：US10215715
申请日：2002-08-09
申请人： Johannes Catharina Antonius Op De Beek , Reiner Koppe , Erhard Paul Artur Klotz
发明人： Johannes Catharina Antonius Op De Beek , Reiner Koppe , Erhard Paul Artur Klotz
IPC分类号： A61B603
CPC分类号： A61B6/583 , A61B6/4225 , A61B6/466 , Y10S378/901
摘要： An X-ray examination apparatus includes an X-ray source and an X-ray detector and is arranged to provide a series of projection images at respective orientations of the X-ray source (1) and the X-ray detector (2) relative to a predetermined frame of reference. The orientations of the projection images are calibrated relative to this frame of reference. A basic three-dimensional data set (23) is reconstructed from the projection images. A number of directions of observations (121-123) are calibrated relative to the same frame of reference. One or more additional X-ray images (111-113) are formed for the calibrated directions of observation, that is, preferably at successive instants in time. A dynamic series of three-dimensional data sets is formed by updating the basic three-dimensional data set by means of the additional X-ray images.
摘要翻译： X射线检查装置包括X射线源和X射线检测器，并且被设置成在X射线源（1）和X射线检测器（2）的相对方向上提供一系列投影图像到预定的参考系。投影图像的方向相对于该参考框架被校准。从投影图像重建基本的三维数据集（23）。观察方向（121-123）相对于相同的参照系进行校准。形成一个或多个附加的X射线图像（111-113）用于校准的观察方向，即优选在连续的时刻。通过利用附加的X射线图像更新基本的三维数据集来形成动态的三维数据集。

8. 发明授权

US06704388B2 X-ray examination apparatus 失效
标题翻译： X光检查仪
公开(公告)号：US06704388B2
公开(公告)日：2004-03-09
申请号：US10022125
申请日：2001-10-30
申请人： Johannes Catharina Antonius Op De Beek , Matheus Wilhelmus Kerkhof
发明人： Johannes Catharina Antonius Op De Beek , Matheus Wilhelmus Kerkhof
IPC分类号： G21K112
CPC分类号： A61B6/583 , A61B6/4441
摘要： An X-ray examination apparatus includes an X-ray source (1) for emitting an X-ray beam (8) having a central X-ray extending along a central beam line (4). There is also provided an X-ray detector (2) for picking up X-ray images. The X-ray source (1) and the X-ray detector (2) are rotatable together around an axis of rotation (3). The X-ray examination apparatus is provided with a calibration system (6, 7). Calibration images of the calibration phantom (6) are formed from different, preferably opposed directions of the X-ray beam (8). The zero orientation of the X-ray source (1) with the X-ray detector (2) is derived from differences in positions of the same aspect of the calibration phantom in the respective calibration images. The central beam line (4) extends perpendicularly to the axis of rotation (3) in the zero orientation.
摘要翻译： X射线检查装置包括用于发射具有沿着中心束线（4）延伸的中心X射线的X射线束（8）的X射线源（1）。还提供了用于拾取X射线图像的X射线检测器（2）。 X射线源（1）和X射线检测器（2）可围绕旋转轴线（3）一起旋转。 X射线检查装置设有校准系统（6,7）。校准体模（6）的校准图像由X射线束（8）的不同的，优选相对的方向形成。 X射线源（1）与X射线检测器（2）的零取向来源于各校准图像中校准体模的相同方面的位置差异。中心束线（4）以零取向垂直于旋转轴线（3）延伸。

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