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    • 1. 发明申请
    • METHOD AND AUTOMATED SYSTEM FOR CREATING VOLUMETRIC DATA SETS
    • 用于创建体积数据集的方法和自动化系统
    • WO01010299A1
    • 2001-02-15
    • PCT/CA2000/000920
    • 2000-08-09
    • A61B19/00A61N5/10G01T1/08G01T1/29A61B6/00G01T1/169
    • G01T1/08A61B34/10A61N5/1048G01T1/2921
    • A method for creating a volumetric data set representing a three-dimensional distribution, such as a dose distribution produced by a radiosurgery system uses a plurality of stacked sensors (12) to obtain two-dimensional cross sectional images of the distribution. The images are optically scanned in a scanner (20) to obtain digitized two-dimensional images which can be processed by software in a computer (22). Each of the sensors (12), which may be, for example, a sheet of X-ray sensitive film, is marked with a visible fiducial mark (17). The software locates images of the fiducial marks (17) in the digitized images. The locations of the fiducial marks (17) indicate the proper orientation and sequence of each image. The software populates a volumetric data structure with data from the scanned images. Interpolation may be used to increase the resolution of the data structure. The system is not susceptible to errors which might be caused by images of the sensors being inverted or mis-aligned before or during scanning.
    • 用于创建表示三维分布的体积数据集的方法,例如由放射外科系统产生的剂量分布,使用多个堆叠的传感器(12)来获得分布的二维横截面图像。 在扫描器(20)中对图像进行光学扫描,以获得可由计算机(22)中的软件处理的数字化二维图像。 每个传感器(12)可以是例如一张X射线敏感膜的标记有可见的基准标记(17)。 该软件在数字化图像中定位基准标记(17)的图像。 基准标记(17)的位置指示每个图像的正确方向和顺序。 该软件用扫描图像的数据填充体数据结构。 插值可用于增加数据结构的分辨率。 该系统不容易受到可能在扫描之前或期间传感器的图像反转或错位对准的错误。
    • 3. 发明申请
    • RADIATION-MONITORING SYSTEM WITH CORRELATED HODOSCOPES
    • 辐射监测系统具有相关的淋巴结
    • WO2015034958A1
    • 2015-03-12
    • PCT/US2014/053949
    • 2014-09-03
    • NUCLEAR APPLICATIONS, LLC.DEVOLPI, Alexander
    • DEVOLPI, Alexander
    • A61N5/10G01T1/20G01T1/16
    • G01T3/00G01T1/006G01T1/2921G01T7/00G21C17/00G21D1/00Y02E30/40
    • At least one pair of hodoscope radiation monitors arranged to simultaneously monitor a target region that contains a source of radiation. The hodoscopes are preferably arranged so that their fields of view of the region are approximately orthogonal. The fields of view of the two detectors will overlap in a region that contains the source of radiation, Each of the two detectors will record radiation from the overlap region and, in addition, will record background radiation emanating from other regions within detector fields of view. The present invention provides statistical correlation techniques to estimate the extent to which unusually high radiation originates in the overlap region, irrespective of background in the field-of-view of individual hodoscope detectors. The source of radiation might be spontaneous, might be from an activation process, or might be scattered in from an external beam.
    • 至少一对测距仪辐射监视器被布置成同时监视包含辐射源的目标区域。 优选地,配置使得它们的区域的视场近似正交。 两个检测器的视野将在包含辐射源的区域中重叠,两个检测器中的每一个将记录来自重叠区域的辐射,并且还将记录从检测器视场内的其他区域发出的背景辐射 。 本发明提供了统计相关技术,以估计在重叠区域中出现异常高的辐射的程度,而不考虑各个天线探测器的视场中的背景。 辐射源可能是自发的,可能来自激活过程,或可能从外部光束散射。
    • 4. 发明申请
    • APPARATUS FOR REGISTRATION OF PHOTONS AND IONIZING PARTICLES WITH SIMULTANEOUS DIRECTIONAL DEFINITION, FOR EACH PHOTON OR IONIZING PARTICLE, OF A POINT OF ORIGIN IN A FLUID-FILLED CONDUIT
    • 用于注册光子和离子化物质的装置,同时方向定义,用于每个光子或离子颗粒,流体填充的管道中的一点原子
    • WO2011119040A1
    • 2011-09-29
    • PCT/NO2011/000097
    • 2011-03-22
    • XR INVEST ASTEAGUE, Phil
    • TEAGUE, Phil
    • G01T1/20E21B47/12G01V5/04
    • G01V5/12G01T1/2907G01T1/2921
    • A detection apparatus (D) for photons or ionizing particles (P) is described, in which a detector system (11) is provided with several detecting units (11a), each including a scintillator (112) connected to a reader surface (111a) on an electronic charge reader (111), the scintillator (112) being arranged to generate cellular charges on the reader surface (111a) when capturing the photons or the ionizing particles (P), there being a collimator (113) arranged, connected to the scintillator (112) opposite the electronic charge reader (111), the collimator (113) being arranged to capture photons or ionizing particles (P' ) exhibiting a direction of motion coinciding with a longitudinal axis (A) of the collimator (113), and to reject photons or ionizing particles (P' ) exhibiting a direction of motion deviating from the direction of the longitudinal axis (A) of the collimator (113).
    • 描述了一种用于光子或电离粒子(P)的检测装置(D),其中检测器系统(11)设置有多个检测单元(11a),每个检测单元包括连接到读取器表面(111a)的闪烁体(112) 在电子充电读取器(111)上,闪烁体(112)被布置成当捕获光子或电离粒子(P)时在读取器表面(111a)上产生细胞电荷,存在准直器(113),其被连接到 所述闪烁体(112)与所述电子读数器(111)相对,所述准直器(113)布置成捕获呈现与所述准直器(113)的纵向轴线(A)重合的运动方向的光子或电离粒子(P'), 并且拒绝表现出偏离准直器(113)的纵向轴线(A)的方向的运动方向的光子或电离粒子(P')。
    • 5. 发明申请
    • DEVICE AND METHOD OF IMAGING OR MEASURING OF A RADIATION SOURCE
    • 放射源成像或测量的装置和方法
    • WO1995014941A1
    • 1995-06-01
    • PCT/SE1994001134
    • 1994-11-25
    • RTI ELECTRONICS ABHERRNSDORF, Lars
    • RTI ELECTRONICS AB
    • G01T01/29
    • G01T1/2921
    • A simplified method and a device to determine the size and/or the location of focus of an X-ray tube. By means of a slit camera a longish image of the extension of the focal spot is achieved in one direction, the image of which normally is recorded photographically and can be analyzed by a microdensitometer. This is a time-consuming and circumstantial procedure, which normally requires many exposures. According to the invention a slit image is utilized in the same manner as in the slit-camera but instead of a photographic film for the recording one uses a line sensor with its sensor elements being arranged parallel to the slit and at least cover the width of the slit image in question. With this arrangement a pronounced electric signal from a single exposure is obtained due to that each line sensor element detects the signal from sections across the slit along the whole length of the sensor.
    • 用于确定X射线管的焦点尺寸和/或位置的简化方法和装置。 通过狭缝相机,在一个方向上实现焦点延伸的较长的图像,其图像通常被照相地记录,并且可以通过显微光度计进行分析。 这是一个耗时和周密的程序​​,通常需要多次曝光。 根据本发明,狭缝图像以与狭缝相机相同的方式被使用,但是代替用于记录的照相胶片使用线传感器,其传感器元件平行于狭缝布置,并且至少覆盖 所讨论的狭缝图像。 通过这种布置,由于每个线传感器元件沿着传感器的整个长度检测来自狭缝的部分的信号,因此获得来自单次曝光的明显的电信号。
    • 6. 发明申请
    • METHOD FOR SIMULTANEOUSLY MEASURING THE INDIVIDUAL OUTPUTS OF PARTICLE DETECTORS IN AN ARRAY USING CHARGE DIVISION ELECTRONICS
    • 方法同时测量粒子检测器在使用充电电路的阵列中的个体化输出
    • WO2015171994A1
    • 2015-11-12
    • PCT/US2015/029844
    • 2015-05-08
    • GENERAL ELECTRIC COMPANY
    • MCKINNY, Kevin, ScottMCPHEETERS, Matthew, Thomas
    • G01T1/17
    • G01T1/17G01T1/208G01T1/2921
    • A detector arrangement for detecting at least one of rays, ions and particles includes a plurality of detectors. Each detector has a respective anode output and the detectors are arranged with the respective anode outputs being in an electrical series. The arrangement includes a plurality of resistive elements interspersed in the electrical series. The arrangement includes a first measurement point at a first end of the electrical series and a second measurement point at a second end of the electrical series. The arrangement includes electrical circuitry, electrically connected to the first and second measurement points for receiving electrical signals/pulses from the first and second measurement points, and for using the electrical signals/pulses from the first and second measurement points to determine which of the plurality of detectors has detected the at least one of rays, ions and particles.
    • 用于检测射线,离子和粒子中的至少一个的检测器装置包括多个检测器。 每个检测器具有相应的阳极输出,并且检测器被布置成相应的阳极输出为电串联。 该装置包括散布在电气系列中的多个电阻元件。 该装置包括电串联的第一端的第一测量点和电串联的第二端的第二测量点。 该装置包括电连接到第一和第二测量点的电路,用于从第一和第二测量点接收电信号/脉冲,以及使用来自第一和第二测量点的电信号/脉冲来确定多个 的检测器已经检测到光线,离子和颗粒中的至少一个。
    • 9. 发明申请
    • DIRECTIONAL RADIATION DETECTION APPARATUS AND METHOD USING INVERSE COLLIMATION
    • 方向辐射检测装置和使用反向收缩的方法
    • WO2012048399A1
    • 2012-04-19
    • PCT/CA2010/001618
    • 2010-10-15
    • ATOMIC ENERGY OF CANADA LIMITEDSUR, BhaskarYUE, ShuweiDAS, ArjunJONKMANS, Guy
    • SUR, BhaskarYUE, ShuweiDAS, ArjunJONKMANS, Guy
    • G01T1/169G01T7/00G01T1/24
    • G01T1/16G01T1/2907G01T1/2921G01T7/00
    • The present invention provides a radiation detector for detecting both the intensity and direction of one or more sources of radiation comprising a radiation sensor, an inverse collimator that shields the sensor from at least a portion of the incident radiation originating from the direction in which the inverse collimator is pointed and a means for pointing the inverse collimator in different directions. In accordance with another aspect of the invention, there is provided a method for detecting both the intensity and direction of one or more sources of radiation comprising the steps of providing a radiation sensor, providing an inverse collimator that shields the sensor from at least a portion of the incident radiation originating from the direction in which the inverse collimator is pointed, providing a means for pointing the inverse collimator in different directions, pointing the inverse collimator in a direction, recording the direction in which the inverse collimator is pointed and recording the signal from the sensor, repeating the preceding two steps one or more times for one or more different directions.
    • 本发明提供了一种辐射检测器,用于检测包括辐射传感器的一个或多个辐射源的强度和方向,反向准直器,其将传感器屏蔽起源于逆向的方向的入射辐射的至少一部分 准直器是指向的,并且是用于将反向准直器指向不同方向的装置。 根据本发明的另一方面,提供了一种用于检测一个或多个辐射源的强度和方向的方法,包括以下步骤:提供辐射传感器,提供反向准直器,其将传感器屏蔽至少部分 从反向准直器指向的方向发出的入射辐射,提供了用于将反向准直器指向不同方向的装置,将反向准直器指向方向,记录反向准直器指向的方向并记录信号 从传感器,对于一个或多个不同的方向重复前述两个步骤一次或多次。
    • 10. 发明申请
    • 可搬型放射線固体検出器
    • 便携式固态辐射探测器
    • WO2009125632A1
    • 2009-10-15
    • PCT/JP2009/053875
    • 2009-03-02
    • コニカミノルタエムジー株式会社角 誠
    • 角 誠
    • A61B6/00G01T1/20G03B42/02G03B42/04
    • G03B42/02G01T1/2921G03B42/04
    •  可搬型のFPDであって、CR用のカセッテとの互換性を有する薄型であるとともに、通常の使用状態で外部から圧力がかかってもシンチレータが破壊されることがなく、かつ、放射線の散乱によるグレアの発生を防止可能な可搬型放射線固体検出器を提供する。  可搬型放射線固体検出器1は、213基板上に形成された複数の光電変換手段152と、光電変換手段152上に対向して設けられ、入射した放射線を光に変換するシンチレータ211とを備えるセンサパネル21と、センサパネル21に対向する面と反対側の面に光電変換手段152に関連する回路23が設けられた基台24とをハウジング3内に内蔵し、さらに、センサパネル21と基台24との間に緩衝部材25を設けた。
    • 提供了一种便携式固态放射线检测器,即与用于CR的盒兼容的薄便携式FPD,其中闪烁体即使在正常使用中外部施加压力也不会被破坏,并且可能由于辐射的散射而产生眩光 预防。 一种便携式固态放射线检测器(1),其具有容纳传感器面板(21)的壳体(3),该传感器面板配备有形成在基板(213)上的多个光电转换装置(152)和设置在基板 与入射光束相反的光电转换装置(152),以及将与光电转换装置(152)相关的电路(23)设置在与面对传感器面板的表面相对的表面上的基座(24) 21)还在传感器面板(21)和基座(24)之间设有缓冲构件(25)。