CN102462505B - 用于宽覆盖和低剂量心脏ct成像的动态准直器 - Google Patents

用于宽覆盖和低剂量心脏ct成像的动态准直器 Download PDF

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Publication number
CN102462505B
CN102462505B CN201010625135.9A CN201010625135A CN102462505B CN 102462505 B CN102462505 B CN 102462505B CN 201010625135 A CN201010625135 A CN 201010625135A CN 102462505 B CN102462505 B CN 102462505B
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scan
ray source
imaging
ray
computed tomography
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Expired - Fee Related
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CN201010625135.9A
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English (en)
Chinese (zh)
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CN102462505A (zh
Inventor
范家华
R-A·H·尼尔森
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General Electric Co
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General Electric Co
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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
    • A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4064—Arrangements for generating radiation specially adapted for radiation diagnosis specially adapted for producing a particular type of beam
    • A61B6/4085—Cone-beams
    • 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
    • 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
    • A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
    • A61B6/503—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for diagnosis of the heart
    • 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
    • A61B6/54—Control of apparatus or devices for radiation diagnosis
    • A61B6/542—Control of apparatus or devices for radiation diagnosis involving control of exposure

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Cardiology (AREA)
  • Dentistry (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
CN201010625135.9A 2010-10-29 2010-12-27 用于宽覆盖和低剂量心脏ct成像的动态准直器 Expired - Fee Related CN102462505B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/915111 2010-10-29
US12/915,111 US8184775B1 (en) 2010-10-29 2010-10-29 Dynamic collimator for wide coverage and low dose cardiac CT imaging

Publications (2)

Publication Number Publication Date
CN102462505A CN102462505A (zh) 2012-05-23
CN102462505B true CN102462505B (zh) 2015-11-25

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CN201010625135.9A Expired - Fee Related CN102462505B (zh) 2010-10-29 2010-12-27 用于宽覆盖和低剂量心脏ct成像的动态准直器

Country Status (4)

Country Link
US (2) US8184775B1 (https=)
EP (1) EP2446821B1 (https=)
JP (1) JP5905694B2 (https=)
CN (1) CN102462505B (https=)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8184775B1 (en) * 2010-10-29 2012-05-22 General Electric Company Dynamic collimator for wide coverage and low dose cardiac CT imaging
US8967860B2 (en) * 2011-02-07 2015-03-03 Applied Materials, Inc. Low temperature measurement and control using low temperature pyrometry
US9326738B2 (en) * 2011-06-30 2016-05-03 General Electric Company Method and system for reduced dose X-ray imaging
US9125572B2 (en) 2012-06-22 2015-09-08 University Of Utah Research Foundation Grated collimation system for computed tomography
EP2892432B1 (en) * 2012-09-07 2022-12-28 Trophy Apparatus for partial ct imaging
US9008274B2 (en) * 2012-12-24 2015-04-14 General Electric Company Systems and methods for selecting image display parameters
KR101429173B1 (ko) 2013-08-05 2014-08-12 연세대학교 산학협력단 시준기 및 이를 이용한 검사 시스템
US9420976B2 (en) * 2014-03-19 2016-08-23 General Electric Company Systems and methods for optimized source collimation
US9968310B2 (en) 2014-09-24 2018-05-15 General Electric Company Multi-detector imaging system with x-ray detection
JP6280851B2 (ja) * 2014-09-30 2018-02-14 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー 放射線断層撮影装置及びプログラム
WO2019090314A1 (en) 2017-11-06 2019-05-09 The Research Foundation for State University of New York System and method for dual-use computed tomography for imaging and radiation therapy
KR102206089B1 (ko) * 2018-09-05 2021-01-21 주식회사바텍 엑스선 ct 촬영 장치를 이용한 엑스선 촬영 방법 및 엑스선 ct 촬영 장치
CN113164129B (zh) * 2018-11-30 2024-10-15 爱可瑞公司 使用分次间信息进行图像重构和校正的方法和装置
KR102763676B1 (ko) 2019-04-15 2025-02-05 엘에스일렉트릭(주) Plc 시스템 및 이의 입출력 리프레시 주기 제어방법

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3717768A (en) * 1970-02-09 1973-02-20 Medinova Ab X-ray filter device in combination with a positioning light converging means
US5608776A (en) * 1995-10-10 1997-03-04 General Electric Company Methods and apparatus for twin beam computed tomography
EP0982002A1 (en) * 1998-08-25 2000-03-01 General Electric Company Variable aperture Z-axis tracking collimator for a computed tomograph system
CN1593344A (zh) * 2003-09-09 2005-03-16 Ge医疗系统环球技术有限公司 辐射断层成像设备
CN1732850A (zh) * 2004-08-13 2006-02-15 Ge医药系统环球科技公司 准直器控制方法和x射线计算机断层摄影设备
CN1903129A (zh) * 2005-07-25 2007-01-31 西门子公司 用于控制地执行介入式干预的计算机断层造影系统
WO2009083851A1 (en) * 2007-12-21 2009-07-09 Koninklijke Philips Electronics, N.V. Synchronous interventional scanner
WO2009083850A1 (en) * 2007-12-21 2009-07-09 Koninklijke Philips Electronics, N.V. Dynamic collimation in cone beam computed tomography to reduce patient exposure

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4200800A (en) * 1977-11-03 1980-04-29 American Science & Engineering, Inc. Reduced dose CT scanning
JP3408848B2 (ja) * 1993-11-02 2003-05-19 株式会社日立メディコ 散乱ｘ線補正法及びｘ線ｃｔ装置並びに多チャンネルｘ線検出器
JP2001187046A (ja) * 1999-12-27 2001-07-10 Ge Medical Systems Global Technology Co Llc マルチスライスｘ線ｃｔ装置及びその制御方法
DE10046091C1 (de) * 2000-09-18 2002-01-17 Siemens Ag Computertomographiegerät und Verfahren für ein Computertomographiegerät
DE10160205A1 (de) * 2001-12-07 2003-06-18 Philips Intellectual Property Verfahren zur Rekonstruktion eines 3D-Bilddatensatzes eines Untersuchungsbereiches
JP2004180715A (ja) * 2002-11-29 2004-07-02 Toshiba Corp Ｘ線コンピュータ断層撮影装置
US6956928B2 (en) * 2003-05-05 2005-10-18 Bruker Axs, Inc. Vertical small angle x-ray scattering system
US7570733B2 (en) * 2005-06-10 2009-08-04 General Electric Company Step-and-shoot cardiac CT imaging
US7583781B2 (en) * 2005-09-22 2009-09-01 Kabushiki Kaisha Toshiba X-Ray CT apparatus and method of controlling the same
DE102007028902B4 (de) * 2007-06-22 2009-04-16 Siemens Ag Strahlerblende, Verfahren zu deren Steuerung und Röntgen-CT-Vorrichtung mit derartiger Strahlerblende
US8184775B1 (en) * 2010-10-29 2012-05-22 General Electric Company Dynamic collimator for wide coverage and low dose cardiac CT imaging

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3717768A (en) * 1970-02-09 1973-02-20 Medinova Ab X-ray filter device in combination with a positioning light converging means
US5608776A (en) * 1995-10-10 1997-03-04 General Electric Company Methods and apparatus for twin beam computed tomography
EP0982002A1 (en) * 1998-08-25 2000-03-01 General Electric Company Variable aperture Z-axis tracking collimator for a computed tomograph system
CN1593344A (zh) * 2003-09-09 2005-03-16 Ge医疗系统环球技术有限公司 辐射断层成像设备
CN1732850A (zh) * 2004-08-13 2006-02-15 Ge医药系统环球科技公司 准直器控制方法和x射线计算机断层摄影设备
CN1903129A (zh) * 2005-07-25 2007-01-31 西门子公司 用于控制地执行介入式干预的计算机断层造影系统
WO2009083851A1 (en) * 2007-12-21 2009-07-09 Koninklijke Philips Electronics, N.V. Synchronous interventional scanner
WO2009083850A1 (en) * 2007-12-21 2009-07-09 Koninklijke Philips Electronics, N.V. Dynamic collimation in cone beam computed tomography to reduce patient exposure

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
余晓锷等.CT扫描成像系统.《CT设备原理、结构与质量保证》.科学出版社,2005,49-58. *

Also Published As

Publication number Publication date
EP2446821A1 (en) 2012-05-02
US20120170709A1 (en) 2012-07-05
JP2012096021A (ja) 2012-05-24
US20120106695A1 (en) 2012-05-03
CN102462505A (zh) 2012-05-23
EP2446821B1 (en) 2014-09-10
US8184775B1 (en) 2012-05-22
US9131911B2 (en) 2015-09-15
JP5905694B2 (ja) 2016-04-20

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