公开(公告)号：US20050121617A1

公开(公告)日：2005-06-09

申请号：US11006758

申请日：2004-12-08

申请人： Bjoern Heismann ,  Thomas Reichel

发明人： Bjoern Heismann ,  Thomas Reichel

IPC分类号： G01T1/20 ,  A61B6/03 ,  G01T1/17 ,  G01T1/24 ,  G01T1/29 ,  H01L27/14 ,  H01L31/09 ,  H04N5/32

CPC分类号： G01T1/2928

摘要： A radiation detector and a method are for synchronized radiation detection. The radiation detector has a two-dimensional arrangement of radiation sensors using APS technology, and evaluation electronics with an input for a synchronization signal. The evaluation electronics have two or more free-running current/frequency converters for conversion of analog signals from the radiation sensors to digital signals. A correction unit is also provided for correction of errors in the digital signals which are caused by time discrepancies in a nominal time period, which is predetermined by the synchronization signal, for detection of the radiation from conversion events of the free-running current/frequency converters. The radiation detector can be produced at low cost, and allows simplified and scalable modular construction.

摘要翻译： 辐射检测器和方法用于同步辐射检测。 辐射检测器具有使用APS技术的辐射传感器的二维布置，以及具有用于同步信号的输入的评估电子装置。 评估电子设备具有两个或多个自由运行的电流/频率转换器，用于将模拟信号从辐射传感器转换为数字信号。 还提供了一种校正单元，用于校正数字信号中由于同步信号预定的标称时间段中的时间差异引起的错误，用于检测自由运行电流/频率的转换事件的辐射 转换器。 辐射检测器可以低成本生产，并允许简化和可扩展的模块化构造。

公开(公告)号：US20050100125A1

公开(公告)日：2005-05-12

申请号：US10983061

申请日：2004-11-05

申请人： Bjoern Heismann

发明人： Bjoern Heismann

IPC分类号： A61B6/00 ,  A61B6/03 ,  G01N23/04 ,  G21K1/12 ,  G01N23/00 ,  H05G1/60

CPC分类号： A61B6/00 ,  A61B6/4035 ,  A61B6/482 ,  G01N23/04

摘要： A method is proposed for the spatially-resolved determination of the concentration of n elements and/or element combinations in an object to be examined that includes these elements and/or element combinations. In the method, use is made of an X-ray installation to record a number of digital X-ray images of at least one region of the object to be examined with the aid of m≧n different spectral distributions of the X-radiation S(E) and/or of the detector sensitivity D(E), in order to obtain m attenuation values for each pixel representing the same location in the X-ray images. The concentrations of the n elements and/or element combinations are then calculated for at least one pixel from the respective m attenuation values while taking account of known spectral absorption spectra of the n elements and/or element combinations and of the m different spectral distributions of the X-radiation and/or of the detector sensitivity.

摘要翻译： 提出了一种用于空间分辨确定包括这些元素和/或元素组合在内的待检查对象中的n个元素和/或元素组合的浓度的方法。 在该方法中，使用X射线设备来借助于X射线的m> = n个不同光谱分布来记录待检查对象的至少一个区域的多个数字X射线图像 S（E）和/或检测器灵敏度D（E），以获得表示X射线图像中相同位置的每个像素的m个衰减值。 然后从各个m衰减值计算n个元素和/或元素组合的至少一个像素的浓度，同时考虑到n个元素和/或元素组合的已知光谱吸收光谱以及m个不同光谱分布的 X辐射和/或检测器灵敏度。

公开(公告)号：US20140375314A1

公开(公告)日：2014-12-25

申请号：US13922568

申请日：2013-06-20

申请人： Randy Buckner ,  Bjoern Heismann ,  Arne Hengerer

发明人： Randy Buckner ,  Bjoern Heismann ,  Arne Hengerer

IPC分类号： G01R33/48 ,  G01R33/54

CPC分类号： G01R33/4806

摘要： In a method and apparatus for acquiring magnetic resonance data, a resting state functional magnetic resonance imaging sequence is executed in alternation with a morphological data acquisition sequence. The alternating sequences are executed with no time interruptions therebetween, with at least one repetition of the alternating sequences. The resting state functional magnetic resonance imaging sequence can be a BOLD-EPI sequence, and the morphological imaging sequence can be an MPRAGE sequence.

摘要翻译： 在用于获取磁共振数据的方法和装置中，与形态学数据获取序列交替执行静息状态功能磁共振成像序列。 交替序列在它们之间没有时间中断的情况下被执行，至少有一个重复的交替序列。 休息状态功能磁共振成像序列可以是BOLD-EPI序列，形态学成像序列可以是MPRAGE序列。

公开(公告)号：US07457450B2

公开(公告)日：2008-11-25

申请号：US11043965

申请日：2005-01-28

申请人： Herbert Bruder ,  Thomas Flohr ,  Bjoern Heismann ,  Rainer Raupach ,  Karl Stierstorfer

发明人： Herbert Bruder ,  Thomas Flohr ,  Bjoern Heismann ,  Rainer Raupach ,  Karl Stierstorfer

IPC分类号： G06K9/00

CPC分类号： A61B6/032 ,  A61B6/4035 ,  A61B6/405 ,  A61B6/482 ,  Y10S378/901

摘要： A method is for recording and evaluating image data with the aid of a tomography machine. At least two recordings with different spectral distribution are made of an examination area of an object. Further, measured data obtained from the two recordings are evaluated such that additional information relating to the examination area and/or a specific representation of the image of the examination area are/is obtained from the different spectral distributions. The tomography machine includes at least two separate recording systems. Further, it is operated such that the two recording systems operate with a different spectral distribution. As such, the additional information and the specific representation of an image can be obtained in conjunction with a reduced scanning time.

摘要翻译： 一种用于通过断层摄影机记录和评估图像数据的方法。 具有不同光谱分布的至少两个记录由对象的检查区域构成。 此外，评估从两个记录获得的测量数据，使得从不同的光谱分布获得与检查区域相关的附加信息和/或检查区域的图像的特定表示。 断层摄影机包括至少两个单独的记录系统。 此外，其操作使得两个记录系统以不同的光谱分布进行操作。 因此，附加信息和图像的具体表示可以结合减少的扫描时间来获得。

公开(公告)号：US07180075B2

公开(公告)日：2007-02-20

申请号：US10667523

申请日：2003-09-23

申请人： Christoph Brabec ,  Bjoern Heismann ,  Juergen Leppert ,  Thomas Von Der Haar

发明人： Christoph Brabec ,  Bjoern Heismann ,  Juergen Leppert ,  Thomas Von Der Haar

IPC分类号： G01T1/20

CPC分类号： G01T1/2018 ,  H01L27/1462 ,  H01L27/14625 ,  H01L27/14676 ,  H01L27/14683

摘要： An X-ray detector is for a CT device and includes a phosphor layer for generating electromagnetic radiation as a function of the occurrence of X-radiation, and a photodetector layer for detecting the electromagnetic radiation generated by the phosphor layer. The phosphor layer includes ceramic material and the photodetector layer includes organic material. A process is further for producing an X-ray detector, including the steps of producing a phosphor layer from a ceramic material and applying a photodetector layer made from an organic material to the phosphor layer via a spinning, printing or beam/jet process or by sticking it on as a film. It is optionally possible to provide a further process step for polishing the surface of the phosphor layer before applying the photodetector layer.

摘要翻译： X射线检测器用于CT装置，并且包括用于产生作为X射线发生的函数的电磁辐射的荧光体层，以及用于检测由荧光体层产生的电磁辐射的光电检测器层。 荧光体层包括陶瓷材料，光电检测器层包括有机材料。 一种制造X射线检测器的方法，包括以下步骤：从陶瓷材料制备荧光体层，并通过纺丝，印刷或射束/喷射工艺将由有机材料制成的光电检测器层施加到荧光体层，或者通过 把它贴在电影上。 可选地，可以提供在施加光电检测器层之前抛光荧光体层的表面的另外的工艺步骤。

公开(公告)号：US20060134000A1

公开(公告)日：2006-06-22

申请号：US11300416

申请日：2005-12-15

申请人： Bjoern Heismann

发明人： Bjoern Heismann

IPC分类号： A61K49/04 ,  H05G1/00

CPC分类号： A61B6/504 ,  A61B6/032 ,  A61B6/4021 ,  A61B6/4035 ,  A61B6/405 ,  A61B6/4241 ,  A61B6/481 ,  A61B6/482

摘要： A method is disclosed for producing a computed tomography display of tissue structures by applying a contrast medium. A contrast medium is applied to a patient for better visualization of the tissue structure to be examined. An X-ray scan is performed during the presence of the one contrast medium, and computed tomography 2- or 3-dimensional pictures are subsequently reconstructed from the X-ray scan data obtained. In the method, absorption data are measured for at least two different energy spectra, a computed tomography intermediate image is reconstructed per energy spectrum, and the distribution of the one contrast medium in the tissue is determined from the different energy-specific absorption behavior between tissue and contrast medium.

摘要翻译： 公开了通过应用造影剂来生成组织结构的计算机断层显示的方法。 将造影剂应用于患者以更好地观察待检查的组织结构。 在存在一个造影剂的过程中执行X射线扫描，并且随后从所获得的X射线扫描数据重建计算机断层摄影2维或3维图像。 在该方法中，对于至少两种不同的能量谱测量吸收数据，每个能谱重建计算机断层摄影中间图像，并且根据组织之间的不同能量 - 特异性吸收行为确定组织中的一种造影剂的分布 和造影剂。

公开(公告)号：US20060055087A1

公开(公告)日：2006-03-16

申请号：US11142190

申请日：2005-06-02

申请人： Andreas Freund ,  Bjoern Heismann ,  Harald Maerkl ,  Martin Schaefer ,  Thomas Von Der Haar

发明人： Andreas Freund ,  Bjoern Heismann ,  Harald Maerkl ,  Martin Schaefer ,  Thomas Von Der Haar

IPC分类号： B29C35/08 ,  B29C41/02 ,  B29C45/00

CPC分类号： G21K1/025 ,  A61B6/4258

摘要： A method is proposed for producing an anti-scatter grid or collimator for a radiation type, which is formed from at least one base body of prescribable geometry having transmission channels or slits for primary radiation of the radiation type which extend between two opposite surfaces of the base body. The base body is formed from a structural material that strongly absorbs the radiation type, either using the injection molding technique or by way of the technique of stereolithography. The method can be used to produce an anti-scatter grid or collimator with high accuracy and with the aid of only a few steps.

公开(公告)号：US20060034418A1

公开(公告)日：2006-02-16

申请号：US11203290

申请日：2005-08-15

申请人： Bjoern Heismann ,  Silke Janssen

发明人： Bjoern Heismann ,  Silke Janssen

IPC分类号： H05G1/60 ,  A61B6/00

CPC分类号： A61B6/032 ,  Y10S378/901

摘要： A tomography appliance and method for a tomography appliance make it possible to calculate, in a simple and efficient manner, detector-element-related coefficients of an intensity function dependent on the detector output signal and to calculate the X-ray-emitter-related coefficients of an intensity function dependent on an X-ray emitter input value. This is done on the basis of measured detector output signals and at least one X-ray emitter input value, such that the intensity which acts precisely on the respective detector element can be determined from X-ray radiation originating from the X-ray emitter.

摘要翻译： 层析成像装置的断层摄影装置和方法使得可以以简单有效的方式计算取决于检测器输出信号的强度函数的检测器元件相关系数，并计算X射线 - 发射体相关系数 的强度函数取决于X射线发射体输入值。 这是基于测量的检测器输出信号和至少一个X射线发射器输入值进行的，使得可以从源自X射线发射器的X射线辐射确定精确地对各个检测器元件施加的强度。

公开(公告)号：US20060013355A1

公开(公告)日：2006-01-19

申请号：US11182006

申请日：2005-07-15

申请人： Bjoern Heismann

发明人： Bjoern Heismann

IPC分类号： H05G1/60 ,  A61B6/00 ,  G01N23/00 ,  G21K1/12

CPC分类号： G06T11/006 ,  A61B6/027 ,  A61B6/032 ,  A61B6/482 ,  G06T11/005 ,  G06T2211/408

摘要： A method includes dividing a scanning volume into a multiplicity of partial volumes. For each partial volume, a reference beam is sought, which intersects the partial volume and which is at the greatest distance from the system axis. Further, the absorption coefficients of each partial volume are calculated exclusively with absorption values that originate from beams whose distance is greater than or equal to the distance between the reference beam and the system axis.

摘要翻译： 一种方法包括将扫描体积分成多个部分体积。 对于每个部分体积，寻求与部分体积相交并且与系统轴线最远的距离的参考光束。 此外，每个部分体积的吸收系数仅由距离大于或等于参考光束和系统轴之间的距离的光束的吸收值专门计算。

公开(公告)号：US20050185829A1

公开(公告)日：2005-08-25

申请号：US11060481

申请日：2005-02-18

申请人： Bjoern Heismann

发明人： Bjoern Heismann

IPC分类号： A61B6/03 ,  G01N23/04 ,  G06K9/00 ,  G06T7/00 ,  G06T7/40

CPC分类号： G06T7/0012 ,  G06T11/008 ,  G06T2207/30004

摘要： A method is for visually displaying quantitative information in medical imaging data records, in which an image data record and/or one or more additional data records, in which each image element of the image data record has one or more associated values as quantitative information, are obtained from one or more measurement data records after one or more processing steps. The image data record and/or the one or more additional data records is/are used to calculate a significance function which, for each image element in a prescribable image region, represents a degree of similarity between the one or more values associated with the image element and a prescribable value or a prescribable value combination. Further, the significance function is graphically displayed on an image reproduction unit. The present method can be used for visually displaying quantitative information contained in medical imaging data records easily and clearly.

摘要翻译： 一种用于在医学成像数据记录中可视地显示定量信息的方法，其中图像数据记录和/或一个或多个附加数据记录，其中图像数据记录的每个图像元素具有一个或多个相关联的值作为定量信息， 在一个或多个处理步骤之后从一个或多个测量数据记录获得。 图像数据记录和/或一个或多个附加数据记录用于计算显着性函数，对于可处方图像区域中的每个图像元素，其表示与图像相关联的一个或多个值之间的相似度 元素和可处方的价值或规定的价值组合。 此外，显着性功能被图形地显示在图像再现单元上。 本方法可用于容易且清晰地视觉显示包含在医学成像数据记录中的定量信息。