IL119774A - Collimator for reducing patient x-ray dose - Google Patents

Collimator for reducing patient x-ray dose

Info

Publication number
IL119774A
IL119774A IL11977496A IL11977496A IL119774A IL 119774 A IL119774 A IL 119774A IL 11977496 A IL11977496 A IL 11977496A IL 11977496 A IL11977496 A IL 11977496A IL 119774 A IL119774 A IL 119774A
Authority
IL
Israel
Prior art keywords
collimator
ray dose
reducing patient
patient
reducing
Prior art date
Application number
IL11977496A
Other languages
English (en)
Other versions
IL119774A0 (en
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of IL119774A0 publication Critical patent/IL119774A0/xx
Publication of IL119774A publication Critical patent/IL119774A/xx

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05G—X-RAY TECHNIQUE
    • H05G1/00—X-ray apparatus involving X-ray tubes; Circuits therefor
    • H05G1/08—Electrical details
    • H05G1/26—Measuring, controlling or protecting

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • General Health & Medical Sciences (AREA)
  • Optics & Photonics (AREA)
  • Radiology & Medical Imaging (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Physics & Mathematics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Theoretical Computer Science (AREA)
  • Pulmonology (AREA)
  • Toxicology (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
IL11977496A 1995-12-21 1996-12-06 Collimator for reducing patient x-ray dose IL119774A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/576,152 US5644614A (en) 1995-12-21 1995-12-21 Collimator for reducing patient x-ray dose

Publications (2)

Publication Number Publication Date
IL119774A0 IL119774A0 (en) 1997-03-18
IL119774A true IL119774A (en) 1999-09-22

Family

ID=24303184

Family Applications (1)

Application Number Title Priority Date Filing Date
IL11977496A IL119774A (en) 1995-12-21 1996-12-06 Collimator for reducing patient x-ray dose

Country Status (4)

Country Link
US (1) US5644614A (xx)
JP (1) JP3962844B2 (xx)
DE (1) DE19650545A1 (xx)
IL (1) IL119774A (xx)

Families Citing this family (42)

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US5982846A (en) * 1998-04-13 1999-11-09 General Electric Company Methods and apparatus for dose reduction in a computed tomograph
US6056437A (en) * 1998-08-25 2000-05-02 General Electric Company Methods and apparatus for imaging system detector alignment
US6307918B1 (en) 1998-08-25 2001-10-23 General Electric Company Position dependent beam quality x-ray filtration
US6173039B1 (en) * 1998-08-25 2001-01-09 General Electric Company Variable aperture z-axis tracking collimator for computed tomograph system
US6320938B1 (en) 1998-10-28 2001-11-20 F & L Medical Products Method of X-ray protection during diagnostic CT imaging
US6256364B1 (en) 1998-11-24 2001-07-03 General Electric Company Methods and apparatus for correcting for x-ray beam movement
US6385278B1 (en) 2000-04-28 2002-05-07 Ge Medical Systems Global Technology Company, Llc Method and apparatus for region of interest multislice CT scan
DE10021219A1 (de) * 2000-04-29 2001-10-31 Philips Corp Intellectual Pty Computertomographie-Verfahren
US6396902B2 (en) 2000-07-31 2002-05-28 Analogic Corporation X-ray collimator
US6449340B1 (en) 2000-07-31 2002-09-10 Analogic Corporation Adjustable x-ray collimator
US6556657B1 (en) 2000-08-16 2003-04-29 Analogic Corporation X-ray collimator and method of manufacturing an x-ray collimator
JP3947372B2 (ja) * 2001-07-25 2007-07-18 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 Ｘ線ｃｔシステムにおけるアパーチャの位置調整機構およびガントリ装置ならびにその制御方法
US7072436B2 (en) * 2001-08-24 2006-07-04 The Board Of Trustees Of The Leland Stanford Junior University Volumetric computed tomography (VCT)
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
US7031434B1 (en) * 2003-08-06 2006-04-18 General Electric Company Method of manufacturing, and a collimator mandrel having variable attenuation characteristics for a CT system
JP3961468B2 (ja) 2003-09-19 2007-08-22 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 放射線計算断層画像装置およびそれに用いる放射線検出器
US7254215B2 (en) * 2003-10-28 2007-08-07 Ge Medical Systems Global Technology Company, Llc Systems and methods for reducing radiation dosage
US7113570B2 (en) * 2005-02-08 2006-09-26 General Electric Company Methods and systems for helical overscan reduction
US8297375B2 (en) * 2005-11-21 2012-10-30 Schlumberger Technology Corporation Downhole turbine
US20100119033A1 (en) * 2008-11-12 2010-05-13 The Methodist Hospital Research Institute Intensity-modulated, cone-beam computed tomographic imaging system, methods, and apparatus
US9726477B2 (en) * 2009-01-06 2017-08-08 Varian Medical Systems, Inc. Method and apparatus to provide corrections for a radiation-therapy beam
JP5597650B2 (ja) * 2009-02-10 2014-10-01 コーニンクレッカ フィリップス エヌ ヴェ Ｘ線像を表示するための医療用表示システム
CN102737748B (zh) * 2011-03-31 2015-06-03 上海西门子医疗器械有限公司 Z-准直器和包括z-准直器的x射线成像设备
US9121809B2 (en) 2011-11-18 2015-09-01 Visuum, Llc Multi-linear X-ray scanning systems and methods for X-ray scanning
US9513385B2 (en) 2011-11-18 2016-12-06 Visuum, Llc Multi-linear x-ray scanning systems and methods for x-ray scanning
US8989348B2 (en) 2011-11-18 2015-03-24 Visuum, Llc Multi-linear X-ray scanning systems and methods for X-ray scanning
US8976934B2 (en) 2012-06-19 2015-03-10 General Electric Company Radiation apertures for X-ray collimators
EP2914179A1 (en) * 2012-11-02 2015-09-09 Analogic Corporation Volumetric and projection image generation
CN103829963B (zh) * 2012-11-27 2018-02-23 Ge医疗系统环球技术有限公司 准直仪及包含该准直仪的ct系统
CN103901488A (zh) * 2012-12-27 2014-07-02 同方威视技术股份有限公司 固定式ct装置
CN103892850B (zh) 2012-12-28 2019-10-01 通用电气公司 用于ct系统的限束器
CN103961119A (zh) * 2013-01-31 2014-08-06 Ge医疗系统环球技术有限公司 Ct成像系统和确定ct准直仪缝隙轮廓的方法
KR101429173B1 (ko) 2013-08-05 2014-08-12 연세대학교 산학협력단 시준기 및 이를 이용한 검사 시스템
US10667767B2 (en) 2014-05-02 2020-06-02 General Electric Company Systems and methods for selecting bowtie filter configuration
US20160199019A1 (en) * 2015-01-13 2016-07-14 Arineta Ltd. Method and apparatus for focal spot position tracking
US10314553B2 (en) 2016-01-21 2019-06-11 FMI Medical Systems Co., Ltd. Focal spot position control using pre-patient collimator with beam tracking
US10186340B2 (en) 2016-01-21 2019-01-22 FMI Medical Systems Co., Ltd. Anti-scatter collimator for high speed rotation
JP6882313B2 (ja) * 2016-02-25 2021-06-02 イリノイ トゥール ワークス インコーポレイティド Ｘ線管及びγ線源焦点スポット調整装置及び方法
DE102016204870B4 (de) * 2016-03-23 2023-11-23 Siemens Healthcare Gmbh Blendenvorrichtung zur Kollimation eines Röntgenstrahlenbündels einer Röntgeneinrichtung
PL3364421T3 (pl) * 2017-02-17 2019-08-30 Rigaku Corporation Rentgenowskie urządzenie optyczne
US11864941B2 (en) 2021-10-04 2024-01-09 GE Precision Healthcare LLC System and method for collimator screening in a computed tomography system

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5054041A (en) * 1990-03-19 1991-10-01 General Electric Company High precision x-ray collimator
US4975933A (en) * 1990-03-26 1990-12-04 General Electric Company Bow-tie X-ray filter assembly for dual energy tomography
US4991189A (en) * 1990-04-16 1991-02-05 General Electric Company Collimation apparatus for x-ray beam correction
US5231654A (en) * 1991-12-06 1993-07-27 General Electric Company Radiation imager collimator
US5231655A (en) * 1991-12-06 1993-07-27 General Electric Company X-ray collimator
US5493599A (en) * 1992-04-03 1996-02-20 Picker International, Inc. Off-focal radiation limiting precollimator and adjustable ring collimator for x-ray CT scanners
DE4303748C2 (de) * 1993-02-09 1995-08-10 Siemens Ag Computertomograph

Also Published As

Publication number Publication date
US5644614A (en) 1997-07-01
DE19650545A1 (de) 1997-06-26
JP3962844B2 (ja) 2007-08-22
IL119774A0 (en) 1997-03-18
JPH09215685A (ja) 1997-08-19

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