公开(公告)号：US20080198965A1

公开(公告)日：2008-08-21

申请号：US12071108

申请日：2008-02-15

申请人： Stefan Popescu ,  Herbert Bruder ,  Christoph Suess

发明人： Stefan Popescu ,  Herbert Bruder ,  Christoph Suess

IPC分类号： H05G1/60

CPC分类号： A61B6/032 ,  A61B6/405 ,  A61B6/482 ,  A61B6/488 ,  A61B6/5282

摘要： A method is disclosed for producing tomographic pictures with the aid of an X-ray CT system including at least two X-ray sources arranged on a gantry with an angular offset to scan an examination object. In at least one embodiment of the method, in order to determine the scattered radiation distribution, pre-scanning is carried out in which the X-ray sources rotate about the examination object and the dose rate is modulated as a function of the rotation angle, no radiation dose is output over the majority of the revolution, at specific pre-scan angles a dose rate is produced briefly and individually in each case by the X-ray sources of the focus/detector systems, and the received scattered radiation is measured simultaneously by the detectors of the at least one other focus/detector system. Moreover, at least one embodiment of the invention also relates to an X-ray CT system having at least two focus/detector systems and an arithmetic and control unit with a memory for program code that carries out during operation the method steps being stored.

摘要翻译： 公开了一种借助于X射线CT系统来生产断层图像的方法，所述X射线CT系统包括布置在具有角度偏移的台架上的至少两个X射线源以扫描检查对象。 在该方法的至少一个实施例中，为了确定散射辐射分布，进行预扫描，其中X射线源围绕检查对象旋转，并且剂量率作为旋转角度的函数被调制， 在大部分转速下不产生辐射剂量，在特定的预扫描角度下，通过焦点/检测器系统的X射线源短暂地和单独地产生剂量率，同时测量接收的散射辐射 通过至少一个其它焦点/检测器系统的检测器。 此外，本发明的至少一个实施例还涉及具有至少两个焦点/检测器系统的X射线CT系统和具有用于程序代码的存储器的算术和控制单元，所述存储器在操作期间在存储方法步骤期间执行。

公开(公告)号：US07636415B2

公开(公告)日：2009-12-22

申请号：US12071108

申请日：2008-02-15

申请人： Stefan Popescu ,  Herbert Bruder ,  Christoph Suess

发明人： Stefan Popescu ,  Herbert Bruder ,  Christoph Suess

IPC分类号： G01N23/00

CPC分类号： A61B6/032 ,  A61B6/405 ,  A61B6/482 ,  A61B6/488 ,  A61B6/5282

摘要： A method and an X-ray CT system are disclosed for producing tomographic pictures with the aid of an X-ray CT system including at least two X-ray sources arranged on a gantry with an angular offset to scan an examination object. In at least one embodiment of the method, in order to determine the scattered radiation distribution, pre-scanning is carried out in which the X-ray sources rotate about the examination object and the dose rate is modulated as a function of the rotation angle, no radiation dose is output over the majority of the revolution, at specific pre-scan angles a dose rate is produced briefly and individually in each case by the X-ray sources of the focus/detector systems, and the received scattered radiation is measured simultaneously by the detectors of the at least one other focus/detector system.

摘要翻译： 公开了一种借助X射线CT系统产生断层图像的方法和X射线CT系统，X射线CT系统包括布置在具有角度偏移的台架上的至少两个X射线源以扫描检查对象。 在该方法的至少一个实施例中，为了确定散射辐射分布，进行预扫描，其中X射线源围绕检查对象旋转，并且剂量率作为旋转角度的函数被调制， 在大部分转速下不产生辐射剂量，在特定的预扫描角度下，通过焦点/检测器系统的X射线源短暂地和单独地产生剂量率，同时测量接收的散射辐射 通过至少一个其它焦点/检测器系统的检测器。

公开(公告)号：US06744846B2

公开(公告)日：2004-06-01

申请号：US10255356

申请日：2002-09-26

申请人： Stefan Popescu ,  Christoph Suess ,  Heiko Wolf ,  Dietmar Hentschel

发明人： Stefan Popescu ,  Christoph Suess ,  Heiko Wolf ,  Dietmar Hentschel

IPC分类号： A61B600

CPC分类号： A61B6/032 ,  A61B6/027 ,  A61B6/542 ,  A61B6/544 ,  H05G1/34

摘要： In a computed tomography apparatus and a method for automatic exposure control in computed tomography scanning, an exposure controller, during a first half of a revolution of an X-ray focus around a subject, calculates an actual attenuation profile of a slice of the subject from electrical signals generated by the radiation detector in the first half of the revolution, and calculates an extrapolated attenuation profile of the slice for a second half of the revolution from the actual attenuation profile, and adjusts an operating parameter of the X-ray source, such as the tube current, to modify the radiation dose emitted by the X-ray source during the second half of the revolution dependent on the extrapolated attenuation profile.

摘要翻译： 在计算机断层摄影装置和计算机断层摄影扫描中的自动曝光控制的方法中，曝光控制器在被摄体周围的X射线焦点的旋转的前半部分期间计算被摄体的切片的实际衰减曲线 在旋转的前半部分由辐射检测器产生的电信号，并且根据实际衰减曲线计算出旋转的后半部分的切片的外推衰减曲线，并且调整X射线源的操作参数， 作为管电流，根据外推的衰减分布来修改在旋转的后半段期间由X射线源发射的辐射剂量。

公开(公告)号：US09235973B2

公开(公告)日：2016-01-12

申请号：US13927347

申请日：2013-06-26

申请人： Stefan Popescu

发明人： Stefan Popescu

IPC分类号： A61M21/00 ,  A61B5/05 ,  G08B1/08 ,  G08B21/02 ,  A61B6/00 ,  A61B5/00 ,  A61B5/055

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 located in the examination room and positioned on a patient support device, wherein the control room is arranged outside of the examination room, object data of objects positioned on the patient support device 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的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/或位于检查室中的位于位于检查室中的患者 患者支撑装置，其中，所述控制室布置在所述检查室的外部，由对象数据获取单元获取位于所述患者支撑装置和/或操作者上的物体的对象数据，所获取的对象数据从所述对象传送 由控制单元使用所获取的对象数据确定位于控制单元的数据获取单元，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生成输出信息，并且显示输出信息 在考场内。

公开(公告)号：US08841910B2

公开(公告)日：2014-09-23

申请号：US13284658

申请日：2011-10-28

申请人： Stefan Popescu

发明人： Stefan Popescu

IPC分类号： G01V3/00 ,  G01R33/3415 ,  A61B5/055 ,  G01R33/422 ,  G01R33/36

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：US20120310053A1

公开(公告)日：2012-12-06

申请号：US13486188

申请日：2012-06-01

申请人： Andre Henning ,  Stefan Popescu

发明人： Andre Henning ,  Stefan Popescu

IPC分类号： A61B5/0205 ,  A61B5/0402 ,  A61B6/00 ,  A61B5/055 ,  A61B5/04 ,  A61B5/11 ,  A61B6/03 ,  A61B6/02 ,  A61B5/08 ,  A61N5/00

CPC分类号： A61B6/541 ,  A61B5/04085 ,  A61B5/0809 ,  A61B5/6892 ,  A61B5/7292 ,  A61B6/032 ,  A61B6/037 ,  A61B6/0407 ,  A61B6/0492 ,  A61B6/4417 ,  A61B6/486 ,  A61B6/503 ,  A61B6/527 ,  A61B2562/0214 ,  A61N5/1068 ,  G01R33/5673

摘要： In a method to control a medical apparatus of an installation having: a contact device for a patient, at least one electrical potential sensor that can be coupled to the body of said patient is integrated into the contact device. A signal evaluation device is provided with measurement signals generated with the electrical potential sensor for evaluation. The medical apparatus is connected with the signal evaluation device, and measurement signals that relate to the breathing and/or cardiac activity of the patient are acquired with the at least one electrical potential sensor coupled to the body of said patient upon contact of the patient with the contact device. Trigger signals are generated with the signal evaluation device based on the measurement signals that relate to the breathing cycle and/or the cardiac cycle of the patient. Operation of the medical apparatus is controlled based on the trigger signals.

摘要翻译： 在控制具有：用于患者的接触装置的装置的医疗装置的方法中，可耦合到所述患者的身体的至少一个电位传感器被集成到所述接触装置中。 信号评估装置设置有用于评估的电位传感器产生的测量信号。 医疗装置与信号评估装置连接，并且与患者的呼吸和/或心脏活动相关的测量信号被获取，所述至少一个电位传感器在患者与患者接触时联接到所述患者的身体 接触装置。 基于与呼吸周期和/或患者的心动周期相关的测量信号，信号评估装置产生触发信号。 基于触发信号控制医疗装置的操作。

公开(公告)号：US20120253174A1

公开(公告)日：2012-10-04

申请号：US13434152

申请日：2012-03-29

申请人： Stefan Popescu

发明人： Stefan Popescu

IPC分类号： A61B5/055 ,  A61B6/02

CPC分类号： G01R33/481 ,  A61B5/0035 ,  A61B5/0071 ,  A61B5/055 ,  A61B6/037 ,  A61B6/42 ,  A61B6/4417 ,  A61B6/481 ,  A61B6/501 ,  A61B6/502 ,  A61B6/508 ,  G01R33/34076

摘要： An image recording device is disclosed for the simultaneous recording of magnetic resonance image data and nuclear medical image data, in particular PET image data. In at least one embodiment, the image recording device includes a nuclear medical detector arrangement integrated into a magnetic resonance device, wherein a fluorescence detector arrangement including an optical system and designed for fluorescence imaging is also integrated into the magnetic resonance device.

摘要翻译： 公开了用于同时记录磁共振图像数据和核医学图像数据，特别是PET图像数据的图像记录装置。 在至少一个实施例中，图像记录装置包括集成到磁共振装置中的核医学检测器装置，其中包括用于荧光成像的光学系统的荧光检测器装置也被集成到磁共振装置中。

公开(公告)号：US07860126B2

公开(公告)日：2010-12-28

申请号：US11996394

申请日：2006-07-12

申请人： Stefan Popescu ,  Dieter Cherek

发明人： Stefan Popescu ,  Dieter Cherek

IPC分类号： H04J3/24

CPC分类号： A61B6/56

摘要： In a method and a device for data transmission between two components moving relative to each other, a first of the components has a number of transmission segments arranged along the movement direction and a second of the components has receiver units arranged along the movement direction. The data to be transmitted are divided among several transmitter segments for parallel transmission thereof. The data to be transmitted are configured in respective data packets, each having a packet identifier in addition to a data portion. A receiver device connected to the receiver units assembles the respective data portions of the respective received packets in a correct sequence using the respective packet IDs. The need for a position detector for noting the relative position of the transmitter segments and the receiver units is avoided.

摘要翻译： 在用于相对于彼此移动的两个部件之间的数据传输的方法和装置中，第一部件具有沿着移动方向布置的多个传输段，并且部件中的第二部件具有沿着移动方向布置的接收器单元。 要发送的数据被划分成若干发射机段，用于并行传输。 要发送的数据被配置在各自的数据分组中，每个数据分组除了数据部分之外还具有分组标识符。 连接到接收机单元的接收机设备使用相应的分组ID以正确的顺序组合各个接收分组的相应数据部分。 避免了用于注意发射机段和接收机单元的相对位置的位置检测器的需要。

公开(公告)号：US07817777B2

公开(公告)日：2010-10-19

申请号：US12159486

申请日：2006-12-06

申请人： Joachim Baumann ,  Christian David ,  Martin Engelhardt ,  Jörg Freudenberger ,  Eckhard Hempel ,  Martin Hoheisel ,  Thomas Mertelmeier ,  Franz Pfeiffer ,  Stefan Popescu ,  Manfred Schuster

发明人： Joachim Baumann ,  Christian David ,  Martin Engelhardt ,  Jörg Freudenberger ,  Eckhard Hempel ,  Martin Hoheisel ,  Thomas Mertelmeier ,  Franz Pfeiffer ,  Stefan Popescu ,  Manfred Schuster

IPC分类号： G01N23/04

CPC分类号： A61B6/00 ,  A61B6/032 ,  A61B6/4028 ,  A61B6/4291 ,  A61B6/4441 ,  A61B6/484 ,  G21K2201/06 ,  G21K2207/005 ,  H01J2235/086

摘要： In a focus detector arrangement and method for an x-ray apparatus for generating projection or tomographic phase-contrast images of an examination subject, a beam of coherent x-rays is generated by an anode that has areas of different radiation emission characteristics arranged in bands thereon, that proceed parallel to grid lines of a phase grid that is used to generate the phase-contrast images.

摘要翻译： 在用于产生检查对象的投影或断层相位图像的x射线装置的焦点检测器装置和方法中，由具有布置在带中的不同辐射特性的区域的阳极产生相干X射线束 其平行于用于生成相位对比图像的相位网格的网格线。

公开(公告)号：US07760851B2

公开(公告)日：2010-07-20

申请号：US12394855

申请日：2009-02-27

申请人： Mario Festag ,  Stefan Popescu ,  Herbert Weithmann

发明人： Mario Festag ,  Stefan Popescu ,  Herbert Weithmann

IPC分类号： A61B6/00

CPC分类号： A61B6/56

摘要： In a device for contact-free transmission of electrical signals between two gantry parts of a computed tomography system that rotate relative to one another, at least one annular, circumferential transmitter element is mounted on one gantry part to transmit the electrical signals, and at least one receiver element to receive the signals emitted by the transmitter element is mounted on the other gantry part. The transmitter element is formed by a single conductor running on a surface, this conductor representing an electrical reference ground (zero potential). At least one dielectric immediately follows on the surface, and multiple conductive conductor structure pairs are executed in two mirror-image parts and are mounted on the at least one dielectric. The separation of conductor structures arranged at the edge from the edge of the surface of the reference ground has a magnitude that both amounts to at least 10 mm and corresponds to at least half of the distance from the two conductor structures arranged in a mirror image at the edge, to the nearest conductor structure.

摘要翻译： 在用于在相对于彼此旋转的计算机断层摄影系统的两个机架部件之间无接触地传输电信号的装置中，至少一个环形的周向发射器元件安装在一个机架部分上以传输电信号，并且至少 用于接收由发射器元件发射的信号的一个接收器元件安装在另一台架部件上。 发射器元件由在表面上运行的单个导体形成，该导体表示电参考地（零电位）。 至少一个电介质紧跟在表面上，并且多个导电导体结构对在两个镜像部分中执行并且安装在至少一个电介质上。 布置在参考接地面的边缘边缘处的导体结构的分离具有两个相等于至少10mm的大小，并且对应于距布置在镜像中的两个导体结构的距离的至少一半 边缘，到最近的导体结构。