IT945161B - EXPOSURE COMPENSATION DEVICE FOR RADIOGRAPHIC EQUIPMENT - Google Patents

EXPOSURE COMPENSATION DEVICE FOR RADIOGRAPHIC EQUIPMENT

Info

Publication number
IT945161B
IT945161B IT54359/71A IT5435971A IT945161B IT 945161 B IT945161 B IT 945161B IT 54359/71 A IT54359/71 A IT 54359/71A IT 5435971 A IT5435971 A IT 5435971A IT 945161 B IT945161 B IT 945161B
Authority
IT
Italy
Prior art keywords
compensation device
exposure compensation
radiographic equipment
radiographic
equipment
Prior art date
Application number
IT54359/71A
Other languages
Italian (it)
Original Assignee
Medinova Ab
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 Medinova Ab filed Critical Medinova Ab
Application granted granted Critical
Publication of IT945161B publication Critical patent/IT945161B/en

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
    • A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4035—Arrangements for generating radiation specially adapted for radiation diagnosis the source being combined with a filter or grating
    • 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
    • G21K1/10—Scattering devices; Absorbing devices; Ionising radiation filters

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
IT54359/71A 1970-11-30 1971-11-25 EXPOSURE COMPENSATION DEVICE FOR RADIOGRAPHIC EQUIPMENT IT945161B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE16209/70A SE347859B (en) 1970-11-30 1970-11-30

Publications (1)

Publication Number Publication Date
IT945161B true IT945161B (en) 1973-05-10

Family

ID=20301887

Family Applications (1)

Application Number Title Priority Date Filing Date
IT54359/71A IT945161B (en) 1970-11-30 1971-11-25 EXPOSURE COMPENSATION DEVICE FOR RADIOGRAPHIC EQUIPMENT

Country Status (7)

Country Link
US (1) US3755672A (en)
DE (1) DE2159365A1 (en)
FR (1) FR2116168A5 (en)
GB (1) GB1374610A (en)
IT (1) IT945161B (en)
NL (1) NL7116455A (en)
SE (1) SE347859B (en)

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US4905268A (en) * 1985-10-25 1990-02-27 Picker International, Inc. Adjustable off-focal aperture for x-ray tubes
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US4972458A (en) * 1986-04-14 1990-11-20 The University Of Rochester Scanning equalization radiography
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US4868843A (en) * 1986-09-10 1989-09-19 Varian Associates, Inc. Multileaf collimator and compensator for radiotherapy machines
US5081659A (en) * 1987-10-30 1992-01-14 Duke University Variable compensation method and apparatus for radiological images
US4868857A (en) * 1987-10-30 1989-09-19 Duke University Variable compensation method and apparatus for radiological images
US5132996A (en) * 1988-10-28 1992-07-21 Kermath Manufacturing Company X-ray imaging system with a sweeping linear detector
US5014290A (en) * 1988-10-28 1991-05-07 Moore Robert M Method and apparatus for generating radiation blockers
CA2014918A1 (en) * 1989-09-06 1991-03-06 James A. Mcfaul Scanning mammography system with improved skin line viewing
US5267295A (en) * 1989-11-23 1993-11-30 Planmed Oy Methods and device related to automatic exposure in X-ray diagnostics in particular in mammography
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US5778046A (en) * 1996-01-19 1998-07-07 The Regents Of The University Of California Automatic X-ray Beam Equalizer
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US5878111A (en) * 1996-09-20 1999-03-02 Siemens Aktiengesellschaft X-ray absorption filter having a field generating matrix and field sensitive liquids
DE19638621C1 (en) * 1996-09-20 1998-02-05 Siemens Ag Radiological emission filter has two chambers separated by membrane
IT1286819B1 (en) * 1996-12-11 1998-07-17 Gd Spa METHOD OF MEASURING THE INTENSITY OF RADIATION TRANSMITTED THROUGH A BODY
US6201852B1 (en) 1997-04-11 2001-03-13 University Of Medicine & Denistry Of New Jersey Method and means for variably attenuating radiation
US6108403A (en) * 1998-04-21 2000-08-22 Picker International, Inc. X-ray equalization filter
US6823044B2 (en) * 2001-11-21 2004-11-23 Agilent Technologies, Inc. System for collecting multiple x-ray image exposures of a sample using a sparse configuration
US6836535B2 (en) * 2002-04-22 2004-12-28 General Electric Company Method and apparatus of modulating the filtering of radiation during radiographic imaging
US20040015073A1 (en) * 2002-04-26 2004-01-22 Michael Schell Target repositioning error correction filter and method
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US6920203B2 (en) * 2002-12-02 2005-07-19 General Electric Company Method and apparatus for selectively attenuating a radiation source
US6919572B2 (en) * 2003-05-02 2005-07-19 The Titan Corporation Compensating for variations in article speeds and characteristics at different article positions during article irradiation
US7068750B2 (en) * 2003-10-27 2006-06-27 General Electric Company System and method of x-ray flux management control
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
US7272208B2 (en) * 2004-09-21 2007-09-18 Ge Medical Systems Global Technology Company, Llc System and method for an adaptive morphology x-ray beam in an x-ray system
US7515689B2 (en) * 2005-01-27 2009-04-07 Hitachi Medical Corporation X-ray measuring instrument
US7397904B2 (en) * 2005-05-11 2008-07-08 Varian Medical Systems Technologies, Inc. Asymmetric flattening filter for x-ray device
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JP5011482B2 (en) * 2005-07-19 2012-08-29 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-ray CT system
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US7489764B2 (en) * 2007-07-02 2009-02-10 Moshe Ein-Gal Adjustable aperture collimator
US8208601B2 (en) * 2008-08-13 2012-06-26 Oncology Tech Llc Integrated shaping and sculpting unit for use with intensity modulated radiation therapy (IMRT) treatment
JP4847568B2 (en) * 2008-10-24 2011-12-28 キヤノン株式会社 X-ray imaging apparatus and X-ray imaging method
DE102009012631B4 (en) * 2009-03-11 2011-07-28 Bayer Schering Pharma Aktiengesellschaft, 13353 Filter for a computer tomograph and computer tomograph
WO2011060133A1 (en) * 2009-11-12 2011-05-19 Oncology Tech Llc Beam modifying devices for use with particle beam therapy systems
FR2960642B1 (en) * 2010-05-28 2012-07-13 Snecma NON-DESTRUCTIVE CONTROL METHOD AND DEVICE FOR IMPLEMENTING THE METHOD
RU2594807C2 (en) * 2010-12-09 2016-08-20 Конинклейке Филипс Электроникс Н.В. Post-patient dynamic filter for computed tomography (ct)
CN103620694B (en) * 2011-06-30 2016-08-17 皇家飞利浦有限公司 X-ray beam transmission profile shaper
DE102012220750B4 (en) 2012-02-08 2015-06-03 Siemens Aktiengesellschaft Contour collimator with a magnetic, X-ray absorbing liquid and associated method
DE102012201856B4 (en) 2012-02-08 2015-04-02 Siemens Aktiengesellschaft Contour collimator and adaptive filter with electroactive polymer elements and associated method
DE102012206953B3 (en) 2012-04-26 2013-05-23 Siemens Aktiengesellschaft Adaptive X-ray filter for varying intensity of local x-ray used for examining organs, has position elements to displace liquid partly and caps that are connected together in the shape of honeycomb proximate to position elements
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DE102012209150B3 (en) 2012-05-31 2013-04-11 Siemens Aktiengesellschaft Adaptive X-ray filter for altering local intensity of X-ray radiation applied to patient, has electrically deformable position element to change layer thickness of X-ray radiation absorbing liquid by displacing absorbing liquid
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WO2019048502A1 (en) * 2017-09-08 2019-03-14 Koninklijke Philips N.V. Dynamic bowtie filter and methods of using the same
EP3712902B1 (en) 2019-03-18 2021-05-26 Siemens Healthcare GmbH Filter system for local attenuation of x-rays, x-ray apparatus and method for locally modifying the intensity of x-ray radiation

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DE1145277B (en) * 1960-05-27 1963-03-14 Koch & Sterzel Kommanditgesell X-ray apparatus with automatic exposure device used as a dose rate meter

Also Published As

Publication number Publication date
GB1374610A (en) 1974-11-20
SE347859B (en) 1972-08-14
US3755672A (en) 1973-08-28
FR2116168A5 (en) 1972-07-07
DE2159365A1 (en) 1972-07-13
NL7116455A (en) 1972-06-01

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