IN2014CH00222A - - Google Patents

Info

Publication number
IN2014CH00222A
IN2014CH00222A IN222CH2014A IN2014CH00222A IN 2014CH00222 A IN2014CH00222 A IN 2014CH00222A IN 222CH2014 A IN222CH2014 A IN 222CH2014A IN 2014CH00222 A IN2014CH00222 A IN 2014CH00222A
Authority
IN
India
Prior art keywords
slit
radiation
focus
detector
profile
Prior art date
Application number
Other languages
English (en)
Inventor
Xianjun Pan
Shutao Liu
Bin Wang
Dong Zhang
Original Assignee
Ge Med Sys Global Tech Co Llc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ge Med Sys Global Tech Co Llc filed Critical Ge Med Sys Global Tech Co Llc
Publication of IN2014CH00222A publication Critical patent/IN2014CH00222A/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
    • G01N23/046—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computed tomography [CT]
    • A61B6/032—Transmission computed tomography [CT]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/06—Diaphragms
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/40—Imaging
    • G01N2223/419—Imaging computed tomograph
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21K—HANDLING OF PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K1/00—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
    • G21K1/02—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Radiology & Medical Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pathology (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Optics & Photonics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • Measurement Of Radiation (AREA)
IN222CH2014 2013-01-31 2014-01-20 IN2014CH00222A (https=)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310037469.8A CN103961119A (zh) 2013-01-31 2013-01-31 Ct成像系统和确定ct准直仪缝隙轮廓的方法

Publications (1)

Publication Number Publication Date
IN2014CH00222A true IN2014CH00222A (https=) 2015-04-03

Family

ID=51222947

Family Applications (1)

Application Number Title Priority Date Filing Date
IN222CH2014 IN2014CH00222A (https=) 2013-01-31 2014-01-20

Country Status (4)

Country Link
US (1) US9395313B2 (https=)
JP (1) JP6356422B2 (https=)
CN (1) CN103961119A (https=)
IN (1) IN2014CH00222A (https=)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103674979B (zh) * 2012-09-19 2016-12-21 同方威视技术股份有限公司 一种行李物品ct安检系统及其探测器装置
US11350892B2 (en) * 2016-12-16 2022-06-07 General Electric Company Collimator structure for an imaging system
GB2569154B (en) * 2017-12-07 2020-04-22 Elekta ltd Methods and systems for determining the shape of a radiotherapy beam
US11175242B2 (en) * 2018-03-20 2021-11-16 Fei Company Geometric alignment, sample motion correction, and intensity normalization of computed tomography projections using pi-line optimization
CN108903963B (zh) * 2018-05-17 2025-02-25 北京纳米维景科技有限公司 一种x射线遮挡组件及其前准直器
CN109658465B (zh) * 2018-12-07 2023-07-04 广州华端科技有限公司 图像重建过程中的数据处理、图像重建方法和装置
US11071507B2 (en) * 2018-12-27 2021-07-27 Medtronic Navigation, Inc. System and method for imaging a subject
US10881371B2 (en) 2018-12-27 2021-01-05 Medtronic Navigation, Inc. System and method for imaging a subject
CN109738465B (zh) * 2019-03-07 2024-10-22 北京航星机器制造有限公司 一种ct探测装置及系统
CN110123353B (zh) * 2019-05-29 2022-12-30 明峰医疗系统股份有限公司 一种探测器模块的对齐方法
CN114177542B (zh) * 2020-09-15 2024-06-11 西安大医集团股份有限公司 放射治疗中的剂量控制方法、装置、控制器、系统
CN112730477B (zh) * 2020-12-22 2023-06-16 北京航星机器制造有限公司 一种ct前准直器及其制造方法
CN116888507B (zh) 2021-01-11 2026-04-28 深圳帧观德芯科技有限公司 使用多辐射束的成像方法
CN114305478B (zh) * 2021-12-22 2024-12-20 明峰医疗系统股份有限公司 一种准直器、ct设备及校准方法和制备方法
US11998372B2 (en) 2022-02-02 2024-06-04 GE Precision Healthcare LLC Pre-patient collimator having a self-shielding design and additively manufactured components
KR102821024B1 (ko) * 2023-08-04 2025-06-18 한국표준과학연구원 대물 렌즈 및 이를 포함하는 하전 입자선 장치

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05256950A (ja) * 1992-03-13 1993-10-08 Toshiba Corp Ｘ線コンピュータトモグラフィ装置用固体検出器
US5644614A (en) * 1995-12-21 1997-07-01 General Electric Company Collimator for reducing patient x-ray dose
US6396902B2 (en) * 2000-07-31 2002-05-28 Analogic Corporation X-ray collimator
US6922457B2 (en) * 2001-11-29 2005-07-26 Kabushiki Kaisha Toshiba Computer tomography apparatus
JP4425792B2 (ja) * 2002-08-21 2010-03-03 メドトロニック・ナビゲーション・インコーポレーテッド Ｘ線画像化のためのガントリ位置決め装置
DE10244898B4 (de) * 2002-09-26 2010-04-29 Siemens Ag Einblendvorrichtung und Computertomographiegerät mit einer strahlerseitigen Einblendvorrichtung
JP4553894B2 (ja) * 2003-02-14 2010-09-29 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 正確な再構成を伴うヘリカルコーンビームコンピュータトモグラフィのためのシステム及び方法
JP2006311882A (ja) * 2005-05-06 2006-11-16 Ge Medical Systems Global Technology Co Llc 放射線ｃｔ装置
JP2007236662A (ja) * 2006-03-09 2007-09-20 Ge Medical Systems Global Technology Co Llc Ｘ線ｃｔ装置およびそのｘ線ｃｔ画像再構成方法、ｘ線ｃｔ画像撮影方法。
US8483353B2 (en) * 2006-09-19 2013-07-09 General Electric Company Integrated X-ray detector assembly and method of making same
DE102007058104A1 (de) * 2007-12-03 2009-06-10 Siemens Ag Strahleinblendungseinheit, Strahlerzeugungseinrichtung und Tomografieeinrichtung
US8817946B2 (en) * 2009-12-16 2014-08-26 Hitachi Medical Corporation X-ray detector and X-ray CT apparatus
US20110211667A1 (en) * 2010-02-26 2011-09-01 Abdelaziz Ikhlef De-populated detector for computed tomography and method of making same

Also Published As

Publication number Publication date
US20140211913A1 (en) 2014-07-31
JP2014147739A (ja) 2014-08-21
JP6356422B2 (ja) 2018-07-11
US9395313B2 (en) 2016-07-19
CN103961119A (zh) 2014-08-06

Similar Documents

Publication Publication Date Title
IN2014CH00222A (https=)
JP2014147739A5 (https=)
BR112015023712A2 (pt) sistema óptico para um citômetro de fluxo
WO2014116665A3 (en) Directed x-ray fields for tomosynthesis
Liu et al. A novel technique for VMAT QA with EPID in cine mode on a Varian TrueBeam linac
BR112018072665A2 (pt) sistema de processamento de sinal de radiação
EP4035124A4 (en) SYSTEMS AND METHODS FOR IMPROVING VOLUMETRIC CONTRAST-ENHANCED MRI
EA201691636A1 (ru) Двухрежимные система и способ досмотра быстро движущихся объектов с использованием излучения
NZ742532A (en) Light field display metrology
GB2542540A (en) Assembly, apparatus, system and method
BR112015003885A2 (pt) equipamento; método; sistema gerador de imagens; elemento de programa de computador para controlar um equipamento; e mídia de leitura por computador
GB2560474A8 (en) Imaging mass spectrometer
MX385851B (es) Dispositivo de adquisicion de imagenes, metodo de adquisicion de imagenes y programa de correccion de imagenes.
CL2018003673A1 (es) Sistemas, métodos y programas de computadora para generar una imagen de un objeto y generar una medición de autenticidad del objeto
MY187044A (en) Method and system for fast inspecting vehicle
EP2977009A3 (de) Durchstrahlungssystem und kalibrierung desselben
NZ730031A (en) Distance measurement device for motion picture camera focus applications
BR112019001624A2 (pt) método para determinar radiograficamente parâmetros geométricos e / ou estado da substância de um objeto sob estudo
EP3855455A4 (en) ATOMIC BEAM COLLIMATION METHOD, ATOMIC BEAM COLLIMATOR, ATOMIC INTERFEROMETER AND ATOMIC GYROSCOPE
EP3542149A4 (en) MULTI-BAND IMAGING SYSTEMS
EP3357535A4 (en) DEVICE FOR PARTICULAR RAY THERAPY
PL412361A1 (pl) Układ odchylania wiązki promieniowania optycznego oraz urządzenie zawierające ten układ
ZA202000316B (en) Convergent x-ray imaging device and method
WO2012076188A8 (en) Euv lithography system
EP3329507A4 (en) SEGMENTED DETECTOR FOR DEVICE WITH LOADED PARTICLE BEAM