公开(公告)号：US20130342350A1

公开(公告)日：2013-12-26

申请号：US13927347

申请日：2013-06-26

申请人： Stefan Popescu

发明人： Stefan Popescu

IPC分类号： G08B21/02

CPC分类号： G08B21/02 ,  A61B5/002 ,  A61B5/0555 ,  A61B6/461 ,  A61B6/467 ,  A61M21/00 ,  A61M2021/0027 ,  A61M2021/005

摘要： In a method and apparatus for communication between a control unit of a medical imaging device, the control unit being arranged within a control room, and an operator located in an examination room examination and/or a patient (17) located in the examination room and positioned on a patient support device (18), wherein the control room is arranged outside of the examination room, object data of objects positioned on the patient support device (18) and/or of the operator are acquired by an object data acquisition unit, the acquired object data are transferred from the object data acquisition unit to the control unit, information of the objects positioned on the patient support device and/or the operator is determined by the control unit using the acquired object data, and output information is generated using the determined information and the output information is presented within the examination room.

摘要翻译： 在用于医疗成像装置的控制单元之间进行通信的方法和装置中，控制单元布置在控制室内，位于检查室检查中的操作者和/或位于检查室中的患者（17）和 位于患者支撑装置（18）上，其中所述控制室布置在所述检查室的外部，由物体数据获取单元获取位于患者支撑装置（18）和/或操作者上的物体的对象数据， 所获取的对象数据从对象数据获取单元传送到控制单元，使用所获取的对象数据由控制单元确定位于患者支持设备和/或操作者上的对象的信息，并且使用 所确定的信息和输出信息被呈现在检查室内。

公开(公告)号：US20130127461A1

公开(公告)日：2013-05-23

申请号：US13679772

申请日：2012-11-16

申请人： Stefan Popescu

发明人： Stefan Popescu

IPC分类号： G01R33/341 ,  G01R33/48

CPC分类号： G01R33/341 ,  G01R33/3621 ,  G01R33/3692 ,  G01R33/48

摘要： A receive apparatus in a strong magnetic alternating field is disposed in a magnetic resonance tomography (MRT) system. The MRT system includes at least one receive apparatus for a magnetic resonance high frequency (MR-HF) signal. The receive apparatus includes a receive coil element for receiving the MR-HF signal, an optical modulator, in which an electrical control input is coupled to the receive coil element, and an optical output for outputting an output signal of the modulator. The optical modulator forms an optical demodulation device for the MR-HF signal. The optical modulator is coupled to a laser light source via an optical input that is configured to generate a laser light. A light intensity of the laser light varies periodically with a predetermined frequency.

摘要翻译： 强磁场中的接收装置设置在磁共振断层摄影（MRT）系统中。 MRT系统包括用于磁共振高频（MR-HF）信号的至少一个接收装置。 接收装置包括用于接收MR-HF信号的接收线圈元件，其中电控制输入耦合到接收线圈元件的光调制器和用于输出调制器的输出信号的光输出。 光调制器形成用于MR-HF信号的光解调装置。 光调制器经由被配置为产生激光的光输入端耦合到激光光源。 激光的光强度以预定频率周期性地变化。

公开(公告)号：US08374309B2

公开(公告)日：2013-02-12

申请号：US12686404

申请日：2010-01-13

申请人： Tilman Donath ,  Martin Hoheisel ,  Christian David ,  Eckhard Hempel ,  Franz Pfeiffer ,  Stefan Popescu

发明人： Tilman Donath ,  Martin Hoheisel ,  Christian David ,  Eckhard Hempel ,  Franz Pfeiffer ,  Stefan Popescu

IPC分类号： H05G1/64 ,  A61B6/03 ,  G01N23/083 ,  G21K1/00 ,  G21K3/00

CPC分类号： G03B42/02 ,  A61B6/032 ,  A61B6/4291 ,  A61B6/484

摘要： An arrangement and a method are disclosed for projective and/or tomographic phase-contrast imaging using X-ray radiation. In at least one embodiment, one or more phase grids is/are arranged in the beam path such that during a rotation of the at least one X-ray source, the examination object is scanned with different spatial orientations of the grid lines relative to the examination object such that the complete refraction angle, and hence the complete phase shift gradient, can be determined for each X-ray beam from the two scans with differently oriented phase grids in order to be able to show the phase shift of an examination object in terms of projections or in a tomographic image.

摘要翻译： 公开了用于使用X射线辐射的投影和/或断层扫描相位对比成像的布置和方法。 在至少一个实施例中，在所述光束路径中布置一个或多个相位栅格，使得在所述至少一个X射线源的旋转期间，所述检查对象以相对于所述栅格线的不同的空间取向被扫描 可以从具有不同定向相位网格的两次扫描中确定每个X射线束的完整折射角，从而完整的相移梯度，以便能够显示检查对象的相移 投影术语或断层图像。

公开(公告)号：US20120280687A1

公开(公告)日：2012-11-08

申请号：US13284658

申请日：2011-10-28

申请人： Stefan Popescu

发明人： Stefan Popescu

IPC分类号： G01R33/28

CPC分类号： G01R33/3415 ,  A61B5/055 ,  G01R33/365 ,  G01R33/422

摘要： A magnetic resonance device includes a measuring chamber, a high-frequency shield at least partially enclosing the measuring chamber and an antenna arrangement that includes a plurality of antenna elements disposed around the measuring chamber. The antenna elements have at least one component that is active in the manner of an antenna and extends, as viewed from the high-frequency shield, towards an interior of the measuring chamber.

摘要翻译： 磁共振装置包括测量室，至少部分地包围测量室的高频屏蔽和包括设置在测量室周围的多个天线元件的天线装置。 天线元件具有至少一个以天线的方式起作用的部件，并且从高频屏蔽体观察，朝向测量室的内部延伸。

公开(公告)号：US08233967B2

公开(公告)日：2012-07-31

申请号：US12222505

申请日：2008-08-11

申请人： Eckhard Hempel ,  Martin Hoheisel ,  Stefan Popescu ,  Rainer Raupach

发明人： Eckhard Hempel ,  Martin Hoheisel ,  Stefan Popescu ,  Rainer Raupach

IPC分类号： G01N23/02

CPC分类号： A61B6/12 ,  A61B6/4291 ,  A61B6/484 ,  A61F2/82 ,  A61F2250/0032 ,  A61F2250/0098 ,  A61L27/50 ,  A61L31/18 ,  G21K2207/005

摘要： A method is disclosed for marking and visualizing an implant by use of an x-ray phase-contrast tomography examination. Further, an implant is also disclosed. In at least one embodiment, implants are used with specific characteristics which are as unambiguous as possible with regard to the phase shift generated by the implants in a phase-contrast tomography examination. In at least one embodiment, these specific characteristics can include the typical self-generated specific phase shift, typical differences in the specific phase-shift values, or typical spatial structures of materials with well-defined phase-shift values.

摘要翻译： 公开了一种通过使用X射线相位层析成像检查对植入物进行标记和可视化的方法。 此外，还公开了一种植入物。 在至少一个实施例中，使用具有特定特征的植入物，其相对于相位层析成像检查中由植入物产生的相移尽可能不含糊。 在至少一个实施例中，这些特定特征可以包括典型的自发特定相移，特定相移值中的典型差异或具有明确定义的相移值的材料的典型空间结构。

公开(公告)号：US08130897B2

公开(公告)日：2012-03-06

申请号：US12508713

申请日：2009-07-24

申请人： Stefan Popescu ,  Georg Wittmann

发明人： Stefan Popescu ,  Georg Wittmann

IPC分类号： H01J35/02 ,  H01J35/08 ,  H01J35/10 ,  H05G1/52 ,  H05G1/66

CPC分类号： H01J35/08 ,  A61B6/035 ,  A61B6/4028 ,  H01J2235/086

摘要： An x-ray computed tomography apparatus has one anode ring in a vacuum housing surrounding an examination volume, wherein a focus of an x-ray source revolves on the anode ring to expose the examination volume with an x-ray beam from different directions, and a detector system arranged on a rotating frame that can rotate around a system axis. The detector system serves to detect the x-ray radiation exiting from the examination volume, wherein the detector system and the focus can rotate around the system axis synchronously and in the same rotation direction with a rotation angle offset by 180°. The apparatus also includes a computer to process the measurement values acquired by the detector system. The anode ring can be driven such that it rotates around the system axis, and the rotation direction of the anode ring and the rotation direction of the focus around the system axis are opposite while a rotation of the focus around the system axis ensues.

摘要翻译： X射线计算机断层摄影装置在围绕检查体积的真空壳体中具有一个阳极环，其中x射线源的焦点在阳极环上旋转以利用来自不同方向的X射线束曝光检查体积，并且 布置在可围绕系统轴旋转的旋转框架上的检测器系统。 检测器系统用于检测从检查体积出射的X射线辐射，其中检测器系统和焦点可以以系统轴线同步地旋转并且在相同的旋转方向上以偏移180°的旋转角度旋转。 该装置还包括用于处理由检测器系统获取的测量值的计算机。 可以驱动阳极环使得其围绕系统轴线旋转，并且随着围绕系统轴的焦点旋转，阳极环的旋转方向和围绕系统轴的焦点的旋转方向相反。

公开(公告)号：US07983381B2

公开(公告)日：2011-07-19

申请号：US12570178

申请日：2009-09-30

申请人： Christian David ,  Tilman Donath ,  Eckhard Hempel ,  Martin Hoheisel ,  Franz Pfeiffer ,  Stefan Popescu

发明人： Christian David ,  Tilman Donath ,  Eckhard Hempel ,  Martin Hoheisel ,  Franz Pfeiffer ,  Stefan Popescu

IPC分类号： H05G1/60 ,  G01N23/04

CPC分类号： G01N23/046 ,  A61B6/032 ,  A61B6/06 ,  A61B6/4291 ,  A61B6/483 ,  A61B6/484 ,  G01N2223/419 ,  G01N2223/612 ,  G21K2207/005

摘要： An x-ray CT system for x-ray phase contrast and/or x-ray dark field imaging has a grating interferometer that has a first grating structure that has a number of band-shaped x-ray emission maxima and minima arranged in parallel, the maxima and minima exhibiting a first grating period, a second band-shaped grating structure that produces, as a phase grating, a partial phase offset of x-ray radiation passing therethrough and that exhibits a second grating period, a third band-shaped grating structure with a third grating period with which relative phase shifts of adjacent x-rays and/or their scatter components are detected, and a device for value-based determination of the phase between adjacent x-rays and/or for value-based determination of the spatial intensity curve per detector element perpendicular to the bands of the grating structures. The third grating structure has a grating period that is larger by a factor of 2 to 5 than the grating period of the first grating structure.

摘要翻译： 用于x射线相位对比和/或x射线暗场成像的X射线CT系统具有光栅干涉仪，该光栅干涉仪具有第一光栅结构，该第一光栅结构具有平行布置的多个带状x射线发射最大值和最小值， 显示第一光栅周期的最大值和最小值;第二带状光栅结构，其产生通过其中的X射线辐射的部分相位偏移作为相位光栅，并且具有第二光栅周期;第三带状光栅 具有第三光栅周期的结构，利用该第三光栅周期检测相邻x射线和/或其散射分量的相对相移，以及用于基于值的确定相邻x射线之间的相位和/或基于值的确定的装置 每个检测器元件垂直于光栅结构的带的空间强度曲线。 第三光栅结构具有比第一光栅结构的光栅周期大2至5倍的光栅周期。

公开(公告)号：US20110080168A1

公开(公告)日：2011-04-07

申请号：US12893140

申请日：2010-09-29

申请人： Matthias Fenchel ,  Stefan Popescu

发明人： Matthias Fenchel ,  Stefan Popescu

IPC分类号： G01R33/48

CPC分类号： G01R33/481 ,  A61B6/037 ,  A61B6/4417 ,  A61B6/5247

摘要： A method is disclosed for correction of truncations of an image of an object under examination in the reconstruction of image data from raw data which has been recorded with a magnetic resonance system from a field of view of the magnetic resonance system, with an object under examination which is located in the field of view of the magnetic resonance system being imaged in the raw data, and with the image recorded by the raw data of the object under examination being truncated at the edge of the field of view if at least one part of the object under examination is located outside the field of view. In at least one embodiment, the method includes determining a number of one-dimensional projections of the imaged field of view in the Radon space from the recorded raw data in order to obtain a projection profile of the image object under examination over the field of view in each case; checking each projection profile for whether the projection profile exhibits a truncation which is caused by the at least one part of the object under examination being located outside the field of view; if the respective checked projection profile exhibits a truncation, expanding the projection profile for correcting the truncation in that the projection profile is extrapolated in accordance with a predetermined extrapolation model in the area in which it exhibits the truncation; and reconstructing image data based on the expanded projection profiles in which the truncation of the image of the object under examination is corrected.

摘要翻译： 公开了一种用于在从磁共振系统的视野记录的原始数据重建图像数据的重建中校正检查对象的截断的方法，其中检查对象 其位于在原始数据中被成像的磁共振系统的视场中，并且由被检查对象的原始数据记录的图像在视场的边缘被截断，如果至少一部分 被检查对象位于视野外。 在至少一个实施例中，该方法包括从记录的原始数据确定Radon空间中的成像视场的一维投影的数量，以便在视场中获得被检查的图像对象的投影轮廓 在每种情况下 检查每个投影轮廓以确定投影轮廓是否显示由被检查物体的至少一部分位于视场之外引起的截断; 如果相应的检查的投影轮廓呈现截断，则扩展用于校正截断的投影轮廓，因为根据在其展现截断的区域中的预定外推模型外推投影轮廓; 以及基于扩大的投影轮廓重建图像数据，其中校正被检查物体的图像的截断。

公开(公告)号：US20100292559A1

公开(公告)日：2010-11-18

申请号：US12780046

申请日：2010-05-14

申请人： Thilo Hannemann ,  Stefan Popescu ,  Georg Wittmann

发明人： Thilo Hannemann ,  Stefan Popescu ,  Georg Wittmann

IPC分类号： A61B5/05 ,  A61G13/00

CPC分类号： G01S13/88 ,  A61B5/05 ,  A61B5/704 ,  A61B6/03 ,  A61B6/04 ,  A61B6/0407 ,  A61B6/5217 ,  A61B8/08 ,  A61B8/40 ,  A61B8/4416 ,  A61B2562/143 ,  G01S7/03 ,  H01Q21/065

摘要： A patient bed for an imaging medical apparatus has a patient support plate that has at least one radar antenna to obtain physiological and/or geometric data from a patient the patient support plate. In a method for the operation of such a patient bed having at least one radar antenna in an imaging medical apparatus, the at least one radar antenna is operated to obtain data from the patient on the patient support plate.

摘要翻译： 用于成像医疗设备的患者床具有患者支撑板，患者支撑板具有至少一个雷达天线，以从患者获得患者支撑板的生理和/或几何数据。 在用于在成像医疗设备中具有至少一个雷达天线的这种患者床的操作的方法中，操作至少一个雷达天线以从患者支撑板上的患者获得数据。

公开(公告)号：US07792231B2

公开(公告)日：2010-09-07

申请号：US11856753

申请日：2007-09-18

申请人： Stefan Popescu

发明人： Stefan Popescu

IPC分类号： H04L7/00

CPC分类号： A61B6/56

摘要： In a method and a device for transfer of a number of digital data streams accumulating in parallel between units moving relative to one another, the digital data to be transferred are modulated at least partially to avoid excessively high interference radiation. The data are transferred serially between the units (16, 18) and the data are demodulated after the transfer. The data accumulating in parallel and to be transferred are divided up into a number of data sets; the potential or actual tendency for generation of EMI radiation is examined for each data set. A modulation pattern is selected for each data packet dependent on the degree of the tendency to generate EMI radiation, with modulation pattern the EMI radiation arising in the data transfer in connection with the respective data set is largely reduced. Each data set is modulated according to the selected modulation pattern before the transfer.

摘要翻译： 在用于传送在相对于彼此移动的单元之间并行累积的多个数字数据流的方法和装置中，要传送的数字数据至少部分被调制以避免过高的干涉辐射。 数据在单元（16,18）之间串行传送，数据在传输之后被解调。 并行并被传送的数据被划分成多个数据集; 检查每个数据集的EMI辐射的潜在或实际趋势。 取决于产生EMI辐射的趋势的程度，为每个数据分组选择调制模式，调制模式在数据传输中产生的EMI辐射与相应数据集相关联地大大减少。 在传输之前，根据选择的调制模式对每个数据集进行调制。