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

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 (enrdf_load_stackoverflow) 2015-04-03

Family

ID=51222947

Family Applications (1)

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

Country Status (4)

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

Families Citing this family (15)

* 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
US10881371B2 (en) 2018-12-27 2021-01-05 Medtronic Navigation, Inc. System and method for imaging a subject
US11071507B2 (en) * 2018-12-27 2021-07-27 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
CN116888507A (zh) 2021-01-11 2023-10-13 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

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
WO2004017832A2 (en) * 2002-08-21 2004-03-04 Breakaway Imaging, Llc Gantry positioning apparatus for x-ray imaging
DE10244898B4 (de) * 2002-09-26 2010-04-29 Siemens Ag Einblendvorrichtung und Computertomographiegerät mit einer strahlerseitigen Einblendvorrichtung
US20060140335A1 (en) * 2003-02-14 2006-06-29 Heuscher Dominic J System and method for helical cone-beam computed tomography with exact reconstruction
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
CN102686161B (zh) * 2009-12-16 2015-04-22 株式会社日立医疗器械 X射线检测器以及x射线ct装置
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
CN103961119A (zh) 2014-08-06
US9395313B2 (en) 2016-07-19
JP6356422B2 (ja) 2018-07-11

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