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1. 发明申请

US20080226019A1 Multiple Scatter Correction 审中-公开
标题翻译：多重散射校正
公开(公告)号：US20080226019A1
公开(公告)日：2008-09-18
申请号：US11994460
申请日：2006-07-06
申请人： Axel Thran , Jens-Peter Schlomka
发明人： Axel Thran , Jens-Peter Schlomka
IPC分类号： A61B6/00 , G01N23/201
CPC分类号： G01N23/20083 , A61B6/027 , A61B6/032 , A61B6/483 , A61B6/5282 , G01N2223/045
摘要： According to an aspect of the present invention, a correction of X-ray intensities measured in an energy-resolved diffraction method may be provided for multiple scattered radiation without any assumptions on the geometry of the object examined. According to an exemplary embodiment of the present invention, the characteristic lines of the anode material in the primary spectrum are evaluated, resulting in a component analysis of the detected spectrum which may allow for a correction for its multiple scatter part.
摘要翻译：根据本发明的一个方面，可以对多个散射辐射提供在能量分辨衍射方法中测量的X射线强度的校正，而对被检查物体的几何形状没有任何假设。根据本发明的示例性实施例，评估主频谱中的阳极材料的特征线，得到检测光谱的分量分析，其可以允许其多个散射部分的校正。

2. 发明申请

US20100166285A1 SYSTEM AND METHOD FOR ACQUIRING IMAGE DATA 审中-公开
标题翻译：用于获取图像数据的系统和方法
公开(公告)号：US20100166285A1
公开(公告)日：2010-07-01
申请号：US12377145
申请日：2007-08-07
申请人： Jens-Peter Schlomka , Axel Thran
发明人： Jens-Peter Schlomka , Axel Thran
IPC分类号： G06K9/00
CPC分类号： G01V5/0025 , G01T1/1644 , G01V5/005
摘要： According to an exemplary embodiment an imaging system (100) for examining an object under examination comprises a scanning unit, wherein the scanning unit comprises a radiation source (106, 108), and a detection unit (107, 109), wherein the scanning unit is adapted to emit a radiation beam (123), which radiation beam follows a linear movement of the object under examination such that a predetermined region of the object under examination is scanned while the object under examination moves.
摘要翻译：根据示例性实施例，用于检查被检查物体的成像系统（100）包括扫描单元，其中所述扫描单元包括辐射源（106,108）和检测单元（107,109），其中所述扫描单元适于发射辐射束（123），该辐射束遵循检查对象的线性运动，使得被检查对象的被检查物体的预定区域被扫描，同时被检查物体移动。

3. 发明申请

US20090245458A1 EXTENSION OF THE Q-RANGE IN CSCT 审中-公开
标题翻译： CSCT中Q范围的扩展
公开(公告)号：US20090245458A1
公开(公告)日：2009-10-01
申请号：US12300640
申请日：2007-05-08
申请人： Udo Van Stevendaal , Jens-Peter Schlomka , Axel Thran
发明人： Udo Van Stevendaal , Jens-Peter Schlomka , Axel Thran
IPC分类号： A61B6/00 , G06T17/00
CPC分类号： A61B6/032 , A61B6/483 , G01N23/046 , G01N2223/419 , G06T11/005
摘要： According to an embodiment of the present invention, a reconstruction scheme for a CSCT is provided which is capable of reconstructing data acquired just over a half turn, i.e. 180° plus fan angle. The reconstruction scheme may provide for an extension of the reconstruction towards smaller and larger q-regions as compared with a 360°-reconstruction, if the short scan reconstruction technique is applied to a full scan data set.
摘要翻译：根据本发明的实施例，提供了一种用于CSCT的重建方案，其能够重建刚刚超过半圈，即180°加上扇角的数据。如果将短扫描重建技术应用于全扫描数据集，则与360度重建相比，重建方案可以提供重建向更小和更大的q区域的扩展。

4. 发明申请

US20080253509A1 Acquisition Parameter Optimization For Csct 审中-公开
标题翻译：采集参数优化
公开(公告)号：US20080253509A1
公开(公告)日：2008-10-16
申请号：US12089404
申请日：2006-10-04
申请人： Jens-Peter Schlomka , Udo Van Stevendaal , Axel Thran , Rudiger Grewer
发明人： Jens-Peter Schlomka , Udo Van Stevendaal , Axel Thran , Rudiger Grewer
IPC分类号： G01N23/04
CPC分类号： G01V5/0025 , G01V5/005
摘要： Whereas the CT image can be acquired in a single revolution, the CSCT image acquisition may require several revolutions. According to an exemplary embodiment of the present invention, a CT/CSCT apparatus may be provided which uses CT data acquired during the first revolution to optimize acquisition parameters for the subsequent revolutions. Furthermore, projection data acquired with a pre-scanner may also be used for determining current modulation or setting an optimum voltage for the subsequent CSCT scan.
摘要翻译：虽然CT图像可以在一个旋转中获取，但CSCT图像采集可能需要几圈。根据本发明的示例性实施例，可以提供CT / CSCT装置，其使用在第一次旋转期间获取的CT数据来优化随后转数的采集参数。此外，用预扫描器获取的投影数据也可以用于确定当前调制或为随后的CSCT扫描设置最佳电压。

5. 发明申请

US20100074393A1 BEAM FILTER, PARTICULARLY FOR X-RAYS 有权
标题翻译：光束过滤器，特别适用于X-RAYS
公开(公告)号：US20100074393A1
公开(公告)日：2010-03-25
申请号：US12517262
申请日：2007-11-30
申请人： Axel Thran , Jens-Peter Schlomka
发明人： Axel Thran , Jens-Peter Schlomka
IPC分类号： G21K3/00 , G21K1/10 , A61B6/03
CPC分类号： G21K1/02 , G21K1/10
摘要： The invention relates to a beam filter (10) that can particularly be used in spectral CT-applications for producing a desired intensity profile of a radiation beam without changing its spectral composition. In a preferred embodiment, the beam filter (10) comprises a stack of absorbing sheets (111) that are separated by wedge-shaped spaces (112) and focused to a radiation source (1). Furthermore, the absorbing sheets have a varying width in direct ion of the radiation. Different fractions of the radiation source (1) area are therefore masked by the beam filter (10) at different points (A, B) on a detector area (2). The absorbing sheets preferably comprise a material that is highly absorbing for the radiation to be filtered.
摘要翻译：本发明涉及一种能够特别用于光谱CT应用中以产生辐射束的期望强度分布而不改变其光谱组成的光束滤波器（10）。在优选实施例中，束过滤器（10）包括由楔形空间（112）分隔并聚焦到辐射源（1）的吸收片（111）的堆叠。此外，吸收片在辐射的直接离子中具有变化的宽度。因此，辐射源（1）区域的不同部分因此在检测器区域（2）上的不同点（A，B）处被光束过滤器（10）掩蔽。吸收片优选地包括对待过滤辐射具有高吸收性的材料。

6. 发明授权

US08031840B2 Beam filter, particularly for x-rays 有权
标题翻译：光束过滤器，特别适用于X射线
公开(公告)号：US08031840B2
公开(公告)日：2011-10-04
申请号：US12517262
申请日：2007-11-30
申请人： Axel Thran , Jens-Peter Schlomka
发明人： Axel Thran , Jens-Peter Schlomka
IPC分类号： G21K3/00
CPC分类号： G21K1/02 , G21K1/10
摘要： The invention relates to a beam filter (10) that can particularly be used in spectral CT-applications for producing a desired intensity profile of a radiation beam without changing its spectral composition. In a preferred embodiment, the beam filter (10) comprises a stack of absorbing sheets (111) that are separated by wedge-shaped spaces (112) and focused to a radiation source (1). Furthermore, the absorbing sheets have a varying width in direct ion of the radiation. Different fractions of the radiation source (1) area are therefore masked by the beam filter (10) at different points (A, B) on a detector area (2). The absorbing sheets preferably comprise a material that is highly absorbing for the radiation to be filtered.
摘要翻译：本发明涉及一种能够特别用于光谱CT应用中以产生辐射束的期望强度分布而不改变其光谱组成的光束滤波器（10）。在优选实施例中，束过滤器（10）包括由楔形空间（112）分隔并聚焦到辐射源（1）的吸收片（111）的堆叠。此外，吸收片在辐射的直接离子中具有变化的宽度。因此，辐射源（1）区域的不同部分因此在检测器区域（2）上的不同点（A，B）处被光束过滤器（10）掩蔽。吸收片优选地包括对待过滤辐射具有高吸收性的材料。

7. 发明申请

US20080240342A1 Advanced Csct Detector Shapes 审中-公开
标题翻译：高级Csct检测器形状
公开(公告)号：US20080240342A1
公开(公告)日：2008-10-02
申请号：US12090417
申请日：2006-10-06
申请人： Axel Thran , Jens-Peter Schlomka
发明人： Axel Thran , Jens-Peter Schlomka
IPC分类号： G01N23/00
CPC分类号： G01N23/046 , A61B6/027 , A61B6/032 , A61B6/4078 , A61B6/4233 , A61B6/4241 , A61B6/4266 , A61B6/484 , G01N2223/419 , G01T1/171
摘要： The application of CSCT to baggage inspection necessitates a large field of view, resulting in a large gantry that has to sustain large centrifugal forces. Accordingly, various CSCT geometries are described which enable smaller gantry sizes. In particular, a CSCT scanner comprising a detector unit that is not focus-centred is described.
摘要翻译： CSCT在行李检查中的应用需要大面积的视野，导致大型龙门架必须维持大的离心力。因此，描述了能够实现较小龙门架尺寸的各种CSCT几何形状。特别地，描述了包括不以焦点为中心的检测器单元的CSCT扫描器。

8. 发明授权

US06961408B2 Device for generating X-rays having a liquid metal anode 失效
标题翻译：用于产生具有液态金属阳极的X射线的装置
公开(公告)号：US06961408B2
公开(公告)日：2005-11-01
申请号：US10506949
申请日：2003-02-26
申请人： Geoffry Harding , Bernd David , Axel Thran , Jens Peter Schlomka
发明人： Geoffry Harding , Bernd David , Axel Thran , Jens Peter Schlomka
IPC分类号： H05G1/02 , H01J35/08 , H01J35/12 , H05G2/00
CPC分类号： H01J35/08 , H01J2235/082 , H01J2235/1262
摘要： The invention relates to a device for generating X-rays (31). The device has a source (5) for emitting electrons (27) accommodated in a vacuum space (3). The X-rays are emitted by a liquid metal as a result of the incidence of the electrons. The liquid metal flows through a constriction (13) where the electrons emitted by the source impinge upon the liquid metal. The constriction is bounded by a thin window (23), which is made from a material which is transparent to electrons and X-rays and which separates the liquid metal in the constriction from the vacuum space, and by a wall (25) opposite to the window. According to the invention, the wall (25) has a profile (p) which matches a profile (p′) which the window (23) has, during operation, as a result of a deformation of the window caused by a pressure of the liquid metal in the constriction (13). Thus, it is achieved that the constriction has a predetermined intended cross-sectional area, and a decrease of the flow velocity and an accompanying excessive increase of the pressure at the location of the deformation of the window are prevented.
摘要翻译：本发明涉及一种用于产生X射线的装置（31）。该装置具有用于发射容纳在真空空间（3）中的电子（27）的源（5）。由于电子的入射，X射线被液态金属发射。液体金属流过收缩部（13），其中由源发射的电子撞击液态金属。狭缝由薄的窗口（23）限定，薄的窗口（23）由对电子和X射线透明的材料制成，并且将收缩部中的液体金属与真空空间分开，并且通过与窗户。根据本发明，壁（25）具有与窗口（23）具有的轮廓（p'）匹配的轮廓（p），在操作期间，由于窗口（23）的压力导致的窗口的变形收缩部（13）中的液态金属。因此，实现了收缩具有预定的预期横截面积，并且防止了流动速度的降低和伴随着窗口变形位置处压力的过度增加。

9. 发明授权

US08693621B2 Source and/or detector positioning system 有权
标题翻译：源和/或探测器定位系统
公开(公告)号：US08693621B2
公开(公告)日：2014-04-08
申请号：US12990278
申请日：2009-04-30
申请人： Axel Thran , Claas Bontus , Peter Forthmann , Roland Proksa , Ronald B. Sharpless , Dominic J. Heuscher , Felix Peeters , Johannes Bathazar Maria Soetens
发明人： Axel Thran , Claas Bontus , Peter Forthmann , Roland Proksa , Ronald B. Sharpless , Dominic J. Heuscher , Felix Peeters , Johannes Bathazar Maria Soetens
IPC分类号： A61B6/03
CPC分类号： A61B6/4447 , A61B6/06 , A61B6/4021
摘要： A medical imaging system includes a generally stationary gantry (102) and a rotating gantry (106), rotatably supported by the generally stationary gantry (102), that rotates about a longitudinal axis around an examination region. The medical imaging system further includes a radiation source (112) that emits a radiation beam that traverses the examination region. The radiation source (112) is moveably affixed to the rotating gantry (106) so as to translate in a direction of the longitudinal axis with respect to the rotating gantry (106) while scanning a subject in the examination region. The medical imaging system further includes a detector array (120) that detects the radiation beam that traverses the examination region and generates a signal indicative thereof. The detector array (120) is moveably affixed to the rotating gantry (106) so as to move in coordination with the radiation source (112) while scanning the subject in the examination region.
摘要翻译：医疗成像系统包括大致固定的机架（102）和旋转支架（106），旋转机架（106）由大体上固定的机架（102）可旋转地支撑，围绕检查区域围绕纵向轴线旋转。医疗成像系统还包括发射穿过检查区域的辐射束的辐射源（112）。辐射源（112）可移动地固定到旋转机架（106）上，以便在扫描检查区域中的被检体的同时相对于旋转台架（106）在纵向轴线的方向上平移。医疗成像系统还包括检测器阵列（120），其检测穿过检查区域的辐射束并产生指示其的信号。检测器阵列（120）可移动地固定到旋转机架（106），以在扫描检查区域中的对象时与辐射源（112）协调地移动。

10. 发明授权

US07483517B2 Device for generating X-rays having a liquid metal anode 失效
标题翻译：用于产生具有液态金属阳极的X射线的装置
公开(公告)号：US07483517B2
公开(公告)日：2009-01-27
申请号：US10599792
申请日：2005-03-31
申请人： Hans Barschdorf , Bernd R. David , Axel Thran
发明人： Hans Barschdorf , Bernd R. David , Axel Thran
IPC分类号： H01J35/08 , H01J35/18
CPC分类号： H01J35/08 , H01J2235/082
摘要： The invention relates to a device for generating X-rays (18) comprising an electron source (3) for emitting electrons accommodated in a vacuum space (2), a liquid metal circuit including a liquid metal for emitting X-rays as a result of the incidence of electrons and a pumping means (11) for causing a flow of the liquid metal through a constriction (7) where the electrons emitted by the electron source (3) impinge upon the liquid metal, and a radiation window (12) bounding said constriction (7), which is transparent to electrons and X-rays and separates the constriction (7) from the vacuum space (2). To provide a device for generating X-rays in which a cross-sectional area of the constriction substantially corresponds to an intended, desired cross-sectional area due to a self-regulating process without the need for external or additional components or electronics, it is proposed that said constriction (7) being bounded by a compensation window (13) opposite of said radiation window (12), which separates the constriction (7) from a pressure chamber (14) containing liquid metal provided by said liquid metal circuit via a connection (15), and which, during operation, has a profile (p′) as a result of a deformation caused by a pressure in the pressure chamber (14) different from the pressure in the constriction (7) which substantially matches a profile (p) which the radiation window (12) has, during operation, as a result of a deformation of the radiation window (12) caused by a pressure of the liquid metal in the constriction (7).
摘要翻译：本发明涉及一种用于产生X射线（18）的装置，该装置包括用于发射容纳在真空空间（2）中的电子的电子源（3），包括用于发射X射线的液态金属的液态金属电路电子的发生和用于使液态金属流过其中由电子源（3）发射的电子撞击在液态金属上的收缩部（7）的泵送装置（11）和辐射窗（12）所述收缩部（7）对于电子和X射线是透明的，并且将收缩部（7）与真空空间（2）分开。为了提供一种用于产生X射线的装置，其中由于自调节过程而不需要外部或附加部件或电子装置，收缩部的横截面面积基本上对应于期望的期望的横截面面积，因此它是提出所述收缩部（7）由与所述辐射窗（12）相对的补偿窗（13）限定，所述补偿窗（13）将所述收缩部（7）与包含由所述液态金属电路提供的液态金属的压力室（14）经由连接（15），并且在操作期间由于压力室（14）中的压力而导致的变形的结果（p'），该压力不同于收缩部（7）中的压力基本匹配于轮廓（p），其在操作期间由于收缩部（7）中的液态金属的压力而引起的辐射窗（12）的变形。

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