JP4402212B2 - Ｘ線量を検定する方法及びシステム - Google Patents

Ｘ線量を検定する方法及びシステム Download PDF

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Publication number
JP4402212B2
JP4402212B2 JP23487699A JP23487699A JP4402212B2 JP 4402212 B2 JP4402212 B2 JP 4402212B2 JP 23487699 A JP23487699 A JP 23487699A JP 23487699 A JP23487699 A JP 23487699A JP 4402212 B2 JP4402212 B2 JP 4402212B2
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Japan
Prior art keywords
collimator
aperture
detector
determining
detector array
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Legal status (The legal status 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 status listed.)
Expired - Lifetime
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JP23487699A
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English (en)
Japanese (ja)
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JP2000083940A (ja
JP2000083940A5 (enExample
Inventor
トーマス・ルイス・トス
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General Electric Co
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General Electric Co
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Publication of JP2000083940A5 publication Critical patent/JP2000083940A5/ja
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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
    • A61B6/02—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
    • A61B6/40—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
    • A61B6/54—Control of apparatus or devices for radiation diagnosis
    • A61B6/542—Control of apparatus or devices for radiation diagnosis involving control of exposure
    • 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
    • A61B6/58—Testing, adjusting or calibrating thereof
    • A61B6/582—Calibration
    • A61B6/583—Calibration using calibration phantoms

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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)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Measurement Of Radiation (AREA)
JP23487699A 1998-08-25 1999-08-23 Ｘ線量を検定する方法及びシステム Expired - Lifetime JP4402212B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/140109 1998-08-25
US09/140,109 US6141402A (en) 1998-08-25 1998-08-25 Methods and apparatus for dose verification in an imaging system

Publications (3)

Publication Number Publication Date
JP2000083940A JP2000083940A (ja) 2000-03-28
JP2000083940A5 JP2000083940A5 (enExample) 2008-10-16
JP4402212B2 true JP4402212B2 (ja) 2010-01-20

Family

ID=22489798

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23487699A Expired - Lifetime JP4402212B2 (ja) 1998-08-25 1999-08-23 Ｘ線量を検定する方法及びシステム

Country Status (5)

Country Link
US (1) US6141402A (enExample)
EP (1) EP0982000B1 (enExample)
JP (1) JP4402212B2 (enExample)
DE (1) DE69937175T2 (enExample)
IL (1) IL131500A (enExample)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6260999B1 (en) * 1999-07-26 2001-07-17 Siemens Medical Systems, Inc. Isocenter localization using electronic portal imaging
US6310938B1 (en) * 1999-08-27 2001-10-30 General Electric Company Methods and apparatus for calibrating CT x-ray beam tracking loop
JP3977972B2 (ja) * 1999-12-13 2007-09-19 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 断層撮影用スキャン条件決定方法、断層撮影方法およびｘ線ｃｔ装置
JP3961249B2 (ja) 2001-08-28 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 Ｘ線ｃｔシステム、ガントリ装置、操作コンソール及びその制御方法並びにプログラムコード、記憶媒体
JP2004173924A (ja) * 2002-11-27 2004-06-24 Ge Medical Systems Global Technology Co Llc Ｘ線制御方法およびｘ線画像撮影装置
JP3864139B2 (ja) * 2002-12-20 2006-12-27 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装置および被曝線量算出方法
US7254215B2 (en) * 2003-10-28 2007-08-07 Ge Medical Systems Global Technology Company, Llc Systems and methods for reducing radiation dosage
US7020243B2 (en) * 2003-12-05 2006-03-28 Ge Medical Systems Global Technology Company Llc Method and system for target angle heel effect compensation
US7372942B2 (en) * 2004-03-29 2008-05-13 Siemens Medical Solutions Usa, Inc. Medical imaging system with dosimetry for estimating circuit board life
US8961461B2 (en) 2004-05-27 2015-02-24 Baxter International Inc. Multi-state alarm system for a medical pump
US7927313B2 (en) 2004-05-27 2011-04-19 Baxter International Inc. Medical device configuration based on recognition of identification information
JP4629519B2 (ja) * 2005-07-12 2011-02-09 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 放射線撮影装置およびスキャン条件設定装置
FR2956216B1 (fr) * 2010-02-08 2012-04-20 Commissariat Energie Atomique Dispositif de detection de rayonnements photoniques, et procedes de dimensionnement et de fonctionnement d'un tel dispositif
CN113219510B (zh) * 2021-05-07 2024-05-31 苏州德锐特成像技术有限公司 一种核辐射成像准直器微孔定位方法及核辐射成像装置
US11864941B2 (en) 2021-10-04 2024-01-09 GE Precision Healthcare LLC System and method for collimator screening in a computed tomography system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4872188A (en) * 1987-11-27 1989-10-03 Picker International, Inc. Registration correction for radiographic scanners with sandwich detectors
US4991189A (en) * 1990-04-16 1991-02-05 General Electric Company Collimation apparatus for x-ray beam correction
US5982846A (en) * 1998-04-13 1999-11-09 General Electric Company Methods and apparatus for dose reduction in a computed tomograph
US6061419A (en) * 1998-08-25 2000-05-09 General Electric Company Methods and apparatus for noise compensation in an imaging system
US6061420A (en) * 1998-08-25 2000-05-09 General Electric Company Methods and apparatus for graphical Rx in a multislice imaging system
US6056437A (en) * 1998-08-25 2000-05-02 General Electric Company Methods and apparatus for imaging system detector alignment

Also Published As

Publication number Publication date
JP2000083940A (ja) 2000-03-28
EP0982000A1 (en) 2000-03-01
DE69937175D1 (de) 2007-11-08
DE69937175T2 (de) 2008-06-26
IL131500A0 (en) 2001-01-28
IL131500A (en) 2003-06-24
US6141402A (en) 2000-10-31
EP0982000B1 (en) 2007-09-26

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