CN103829963B - 准直仪及包含该准直仪的ct系统 - Google Patents

准直仪及包含该准直仪的ct系统 Download PDF

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Publication number
CN103829963B
CN103829963B CN201210489649.5A CN201210489649A CN103829963B CN 103829963 B CN103829963 B CN 103829963B CN 201210489649 A CN201210489649 A CN 201210489649A CN 103829963 B CN103829963 B CN 103829963B
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China
Prior art keywords
gate
collimators
metallic plate
shielding material
electromagnet
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CN201210489649.5A
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English (en)
Chinese (zh)
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CN103829963A (zh
Inventor
潘贤君
付智永
刘蜀韬
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GE Medical Systems Global Technology Co LLC
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GE Medical Systems Global Technology Co LLC
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Application filed by GE Medical Systems Global Technology Co LLC filed Critical GE Medical Systems Global Technology Co LLC
Priority to CN201210489649.5A priority Critical patent/CN103829963B/zh
Priority to JP2013241429A priority patent/JP6334898B2/ja
Priority to US14/089,877 priority patent/US9237875B2/en
Publication of CN103829963A publication Critical patent/CN103829963A/zh
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    • 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
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/30—Collimators
    • 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
    • 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
    • G21K1/04—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using variable diaphragms, shutters, choppers
    • 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]
    • A61B6/035—Mechanical aspects of CT

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Medical Informatics (AREA)
  • Optics & Photonics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
CN201210489649.5A 2012-11-27 2012-11-27 准直仪及包含该准直仪的ct系统 Active CN103829963B (zh)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201210489649.5A CN103829963B (zh) 2012-11-27 2012-11-27 准直仪及包含该准直仪的ct系统
JP2013241429A JP6334898B2 (ja) 2012-11-27 2013-11-22 コリメータ、及び該コリメータを備えた計算機式断層写真法（ｃｔ）システム
US14/089,877 US9237875B2 (en) 2012-11-27 2013-11-26 Collimator and CT system comprising the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210489649.5A CN103829963B (zh) 2012-11-27 2012-11-27 准直仪及包含该准直仪的ct系统

Publications (2)

Publication Number Publication Date
CN103829963A CN103829963A (zh) 2014-06-04
CN103829963B true CN103829963B (zh) 2018-02-23

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CN201210489649.5A Active CN103829963B (zh) 2012-11-27 2012-11-27 准直仪及包含该准直仪的ct系统

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US (1) US9237875B2 (enExample)
JP (1) JP6334898B2 (enExample)
CN (1) CN103829963B (enExample)

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WO2012165450A1 (ja) * 2011-05-31 2012-12-06 株式会社 日立メディコ Ｘ線絞り機構及びｘ線ｃｔ装置
CN103489496B (zh) * 2013-09-10 2016-01-27 沈阳东软医疗系统有限公司 一种ct机用x射线准直装置
KR101609932B1 (ko) * 2014-07-02 2016-04-06 (의료)길의료재단 굴곡진 가동성 빔 차단 어레이 및 이를 포함하는 cbct
CN104127198B (zh) * 2014-07-10 2016-06-08 中国科学院苏州生物医学工程技术研究所 一种ct前置滤线器
US10117632B2 (en) * 2016-02-03 2018-11-06 Globus Medical, Inc. Portable medical imaging system with beam scanning collimator
ITUA20162102A1 (it) * 2016-03-30 2017-09-30 Cefla S C Dispositivo di limitazione del fascio per apparecchiature radiografiche
US10714227B2 (en) * 2016-06-06 2020-07-14 Georgetown Rail Equipment Company Rotating radiation shutter collimator
CN106373629B (zh) * 2016-11-16 2018-06-19 同方威视技术股份有限公司 准直器及其安装结构和安装方法、安检机
CN106611624B (zh) * 2017-01-25 2018-12-25 明峰医疗系统股份有限公司 一种ct用前准直器
CN107261342A (zh) * 2017-07-12 2017-10-20 合肥中科离子医学技术装备有限公司 质子ct准直仪系统
US10433798B2 (en) * 2017-09-29 2019-10-08 General Electric Company Aperture, collimator, and X-ray tomographic imaging apparatus
CN108175435B (zh) * 2018-01-09 2021-01-08 明峰医疗系统股份有限公司 一种应用于探测器x射线的凸轮限束器
US10695011B2 (en) * 2018-08-08 2020-06-30 General Electric Company X-ray collimator for imaging system
US10658089B2 (en) 2018-09-29 2020-05-19 Uih America, Inc. Motion guidance assembly for a collimator device
CN111162653B (zh) * 2020-02-18 2025-04-25 苏州晟诺医疗科技有限公司 一种准直器闸门驱动系统及ct主机
CN212211481U (zh) * 2020-04-26 2020-12-22 西安大医集团股份有限公司 光阑组件及医用加速器
US11862357B2 (en) * 2020-10-21 2024-01-02 Illinois Tool Works Inc. Adjustable collimators and x-ray imaging systems including adjustable collimators
CN118526219A (zh) * 2023-02-21 2024-08-23 美的集团(上海)有限公司 一种准直器及ct机
CN119620213A (zh) * 2024-12-16 2025-03-14 同方威视技术股份有限公司 射线检查系统

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JPS61154542A (ja) * 1984-12-27 1986-07-14 横河メディカルシステム株式会社 Ｘ線ｃｔ装置のアパ−チヤユニツト
DE4207006C2 (de) 1992-03-05 1994-07-14 Siemens Ag Computertomograph
US5644614A (en) * 1995-12-21 1997-07-01 General Electric Company Collimator for reducing patient x-ray dose
US6137857A (en) * 1997-11-26 2000-10-24 General Electric Company Scalable detector for computed tomograph system
US6301334B1 (en) 2000-04-19 2001-10-09 Analogic Corporation Backlash-resistant drive assembly for collimator in a CT scanner
JP2002017715A (ja) * 2000-06-27 2002-01-22 Ge Medical Systems Global Technology Co Llc Ｘ線ｃｔシステムおよびその制御方法および記憶媒体
JP3562449B2 (ja) * 2000-07-19 2004-09-08 株式会社島津製作所 Ｘ線ｃｔ装置
US6396902B2 (en) 2000-07-31 2002-05-28 Analogic Corporation X-ray collimator
DE10154461B4 (de) * 2001-11-08 2005-12-15 Siemens Ag Vorrichtung zum Filtern eines Strahlenbündels
DE10242920B4 (de) * 2002-09-16 2013-08-22 Siemens Aktiengesellschaft Verfahren zum Betrieb eines Computertomographiegerätes und eine Vorrichtung zur Durchführung des Verfahrens
DE10244898B4 (de) * 2002-09-26 2010-04-29 Siemens Ag Einblendvorrichtung und Computertomographiegerät mit einer strahlerseitigen Einblendvorrichtung
US6934354B2 (en) * 2003-05-02 2005-08-23 General Electric Company Collimator assembly having multi-piece components
US7076029B2 (en) * 2003-10-27 2006-07-11 General Electric Company Method and apparatus of radiographic imaging with an energy beam tailored for a subject to be scanned
DE102004058007B4 (de) * 2004-12-01 2009-02-12 Siemens Ag Röntgen-Computertomograf
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JP5670057B2 (ja) * 2010-01-05 2015-02-18 株式会社日立メディコ Ｘ線ｃｔ装置
US8699668B2 (en) * 2011-04-26 2014-04-15 General Electric Company Composite material x-ray collimator and method of manufacturing thereof
CN103093850B (zh) * 2011-10-31 2017-04-26 Ge医疗系统环球技术有限公司 一种用于计算机断层摄影系统的滤过器组件以及该系统
DE102014202331B3 (de) * 2014-02-10 2015-08-06 Siemens Aktiengesellschaft Strahlerblende zum Erzeugen eines Strahlenfächers, Computertomographiegerät mit einer solchen Strahlerblende sowie Verfahren zum Steuern eines solchen Computertomographiegeräts

Also Published As

Publication number Publication date
US20140146949A1 (en) 2014-05-29
US9237875B2 (en) 2016-01-19
JP2014104355A (ja) 2014-06-09
CN103829963A (zh) 2014-06-04
JP6334898B2 (ja) 2018-05-30

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