公开(公告)号：EP2708919A2

公开(公告)日：2014-03-19

申请号：EP13184676.8

申请日：2013-09-17

Applicant: ELEKTA AB (publ.)

Inventor： Crijns, Sjoerd ,  Thompson, Maria Giulia ,  Allen, John

IPC: G01T5/08

CPC classification number: G01T1/20 ,  A61N5/1045 ,  A61N5/1048 ,  A61N5/1071 ,  A61N2005/1055 ,  G01T1/1603 ,  G01T1/201 ,  G01T1/29

Abstract: The present invention provides a radiation detector (30, 100) which comprises a tube (102) and detector elements (106) distributed over the tube. Such an arrangement can be used to provide information on a radiation beam prior to interaction with a patient and after interaction with the patient. The detector is particularly compact and therefore suited to use with apparatus where space is restricted. By a particular arrangement of detectors and optical fibres (104, 108), the detector can provide data at all angles of rotation.

Abstract translation: 本发明提供了一种辐射检测器（30,100），其包括管（102）和分布在管上的检测器元件（106）。 这种布置可以用于在与患者交互之前和与患者交互之后提供关于辐射束的信息。 检测器特别紧凑，因此适用于空间受限的设备。 通过检测器和光纤（104,108）的特定布置，检测器可以在所有旋转角度提供数据。

公开(公告)号：EP2595535A1

公开(公告)日：2013-05-29

申请号：EP10855105.2

申请日：2010-07-22

Applicant: Hampton University

Inventor： KEPPEL, Cynthia, E. ,  GUEYE, Paul ,  SINESI, Christopher

IPC: A61B6/00 ,  A61B6/12

CPC classification number: G01T1/201 ,  A61M25/00 ,  A61N5/1048 ,  G01T1/161 ,  G01T1/2018

Abstract: An apparatus and method for
in vivo and
ex vivo control, detection and measurement of radiation in therapy, diagnostcs, and related applications accomplished through scintillating fiber detection. One example includes scintillating fibers placed along a delivery guide such as a catheter for measuring applied radiation levels during radiotherapy treatments, sensing locations of a radiation source, or providing feedback of sensed radiation. Another option is to place the fibers into a positioning device such as a balloon, or otherwise in the field of the radiation delivery. The scintillating fibers provide light output levels correlating to the levels of radiation striking the fibers and comparative measurement between fibers can be used for more extensive dose mapping. Adjustments to a radiation treatment may be made as needed based on actual and measured applied dosages as determined by the fiber detectors. Characteristics of a radiation source may also be measured using scintillating materials.

公开(公告)号：EP2553493A2

公开(公告)日：2013-02-06

申请号：EP11798535.8

申请日：2011-04-04

Applicant: Northern Illinois University ,  Fermi Research Alliance, LLC ,  University of Wollongong

Inventor： KARONIS, Nicholas ,  COUTRAKON, George ,  DUFFIN, Kirk ,  ERDELYI, Bela ,  NAGLICH, Kevin ,  PENFOLD, Scott ,  RUBINOV, Paul ,  RYKALIN, Victor ,  ZUTSHI, Vishnu

IPC: G01T1/161

CPC classification number: G01T1/20 ,  A61B6/4258 ,  G01T1/201 ,  G01T1/208 ,  G01T1/248 ,  G01T1/249 ,  G01T1/2985

Abstract: A proton computed tomography (pCT) detector system, including two tracking detectors in sequence on a first side of an object to be imaged, two tracking detectors in sequence on an opposite side of the object to be imaged, a calorimeter, and a computer cluster, wherein the tracking detectors include plastic scintillation fibers. All fibers in the detector system are read out by Silicon Photomultipliers (SiPM). A method of imaging an object by emitting protons from a source through two tracking detectors, through and around the object, and through two opposite tracking detectors, detecting energy of the protons with a calorimeter, and imaging the object.

Abstract translation: 一种质子计算机断层扫描（pCT）检测器系统，其包括在要成像的物体的第一侧上依次布置的两个跟踪检测器，在待成像的物体的相对侧上依次布置的两个跟踪检测器，量热计和计算机集群 其中跟踪检测器包括塑料闪烁纤维。 检测器系统中的所有光纤都由硅光电倍增管（SiPM）读出。 一种通过从源通过两个跟踪检测器发射质子穿过物体并围绕物体并通过两个相反的跟踪检测器来成像物体的方法，用热量计检测质子的能量并对物体成像。

公开(公告)号：EP2359162A1

公开(公告)日：2011-08-24

申请号：EP09756410.8

申请日：2009-11-19

Applicant: Siemens A/S

Inventor： BAURICHTER, Arnd Friedrich ,  SØNDERGAARD, Christian Skou ,  KRISTENSEN, Martin ,  SKIPPER, Bjarne Funch ,  HANSEN, Kenneth

IPC: G01T5/08

CPC classification number: G01T1/201 ,  Y10T29/49826

Abstract: The invention relates to a radiation detector suitable for use in connection with particle therapy applications. The detector comprises at least one set of scintillating optical guides which upon exposure to incident radiation generate scintillating light. The optical guides are arranged in an array, such as in a so- called harp configuration, for detecting a transversal radiation beam profile. The scintillating optical guides are provided in a glass-based material doped with a rare earth dopant. Of particular interest are the rare earth materials: Ytterbium, Holmium, Thulium and Erbium.

Abstract translation: 本发明涉及适用于与颗粒治疗应用有关的辐射探测器。 检测器包括至少一组闪烁光导，其在暴露于入射辐射时产生闪烁光。 光导件被布置成阵列，例如以所谓的竖琴构型，用于检测横向辐射束轮廓。 闪烁光导件设置在掺杂有稀土掺杂剂的玻璃基材料中。 特别感兴趣的是稀土材料：镱，钬，ium和铒。

公开(公告)号：EP1810180A1

公开(公告)日：2007-07-25

申请号：EP05802339.1

申请日：2005-11-01

Applicant: Soreq Nuclear Research Center

Inventor： DANGENDORF, Volker ,  KERSTEN, Christoph ,  VARTSKY, David ,  GOLDBERG, Mark ,  BRESKIN, Amos ,  CHECHIK, Rachel

IPC: G06F17/00

CPC classification number: G01T1/201 ,  G01T1/2914 ,  G01T3/06

Abstract: An efficient, large-area-detector and readout-system for combined sub-mm spatial imaging and time-of-flight spectrometry of fast and slow neutrons, as well as gamma-rays, capable of loss-free operation in mixed neutron-gamma fields of very high intensity.

Abstract translation: 一种高效，大面积的检测器和读出系统用于组合子毫米空间成像和快和慢中子时间飞行质谱，以及γ射线，能够无损耗混合中子伽马操作 强度非常高的领域。

公开(公告)号：EP0851242B1

公开(公告)日：2005-03-02

申请号：EP97111645.4

申请日：1997-07-09

Applicant: MITSUBISHI DENKI KABUSHIKI KAISHA

Inventor： Oka, Toru ,  Tsutaka, Yoshikazu

IPC: G01T5/08

CPC classification number: G01T1/201

公开(公告)号：EP1103826A3

公开(公告)日：2002-08-28

申请号：EP00310563.2

申请日：2000-11-29

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Albagli, Douglas ,  Poissin, George Edward ,  Han, Sung Su ,  Dejule, Michael Clement

IPC: G01T5/08

CPC classification number: G01T1/201 ,  G01T1/2002

Abstract: A fiber optic scintillator includes (18), for example, a plurality of relatively low-density glass scintillating elements (20) for converting radiation into light and a plurality of relatively high-density glass radiation absorbing elements (40) interspersed among the plurality of scintillating elements (20). The high-density glass radiation absorbing elements (40) increase the x-ray stopping power of the scintillator and also produce electron showers which interact desirably in adjacent scintillating elements (20) to increase the luminance of the scintillator (18). The high-density glass radiation absorbing elements also absorb x-ray cross-talk from absorption of radiation in the scintillating elements (20) and desirably include optical absorbers for absorbing optical cross-talk, both of which improves the resolution of the scintillator (18). The plurality of scintillating elements (20) and high-density glass radiation absorbing elements (40) typically are fibers, and the high-density glass radiation absorbing elements (140) may define cladding around the scintillating low-density glass fibers.

公开(公告)号：EP0851242A3

公开(公告)日：2002-01-30

申请号：EP97111645.4

申请日：1997-07-09

Applicant: MITSUBISHI DENKI KABUSHIKI KAISHA

Inventor： Oka, Toru ,  Tsutaka, Yoshikazu

IPC: G01T5/08

CPC classification number: G01T1/201

Abstract: A radiation detector obtains radiation information by detecting a light pulse occuring in response to a radiation (101) in a scintillation fiber (102) at one end or opposite ends of the scintillation fiber. The scintillation fiber is surrounded by a scattering member (103) which emits an electron (105) by interaction with the radiation.

Abstract translation: 辐射探测器通过检测响应闪烁纤维的一端或相反端的闪烁纤维中的辐射而发生的光脉冲来获得辐射信息。 闪烁光纤由散射构件包围，散射构件通过与辐射的相互作用而发射电子。

公开(公告)号：EP0690994B1

公开(公告)日：1999-06-16

申请号：EP94912824.3

申请日：1994-03-21

Applicant: BOARD OF REGENTS THE UNIVERSITY OF TEXAS SYSTEM

Inventor： ANDERSON, Jon, A. ,  ANTICH, Peter, P.

IPC: G01T5/08 ,  G01T1/29 ,  G01T1/164

CPC classification number: G01T1/201 ,  A61B6/037 ,  A61B6/4258 ,  G01T1/1642 ,  G01T1/2914 ,  G01T1/2985

Abstract: An apparatus and method are disclosed for detecting and locating the origin of a gamma ray in a medical diagnostic imaging system. At least one primary fiber, which is a scintillating optical fiber (21) is positioned to receive radiation from a gamma ray source. At least one secondary fiber intersects the primary fiber at a non-zero angle. Both fibers have a core surrounded by a cladding (22, 23), with the claddings of the two fibers in optical contact at an intersection point (24). Both the primary and secondary fibers are provided with means for detecting light propagated in the fibers. The interaction of radiation such as a gamma ray with the primary fiber will result in the propagation of light in both the primary and secondary fibers, thereby permitting the determination of the site of impact of the gamma ray in the detector, and possibly also enabling the determination of the path of incidence of the gamma ray.

公开(公告)号：EP0811157A1

公开(公告)日：1997-12-10

申请号：EP96903792.0

申请日：1996-01-31

Applicant: Miller, Thomas Gill

Inventor： Miller, Thomas Gill

IPC: G01N23 ,  G01T3 ,  G01T5 ,  G01V5

CPC classification number: G01V5/0016 ,  G01N23/04 ,  G01N23/09 ,  G01T1/201 ,  G01T3/06

Abstract: A contraband detection system (18) using a single, cone shaped neutron beam determines substances concealed in a sample object by developing total neutron cross section spectra for a plurality of elements, including carbon, nitrogen, oxygen, hydrogen and other potential contraband-indicating elements. A processor (26) performs a contraband determination classification based on the neutron total cross section spectra for the plurality of elements, including hydrogen and elements which do not have peaks in the energy range of interest. The contraband detection system (18) includes a neutron source (20) for producing a pulsed, cone shaped beam of fast white neutrons; a spatial neutron detection array (40); a conveyor system (28) for situating a sample object (29) between the source (20) and the detection array (40); a spectra analysis system (24) for determining the neutron total cross section spectra of elements located in the sample object; and the processor (26). The neutron source (20) produces a pulsed beam (36) of fast white neutrons having a sufficient energy range whereby removal of neutrons from the beam caused by the presence of a plurality of contraband-indicating elements can be determined. Various techniques of making contraband classification determinations are also disclosed.