SE347859B - - Google Patents

Info

Publication number
SE347859B
SE347859B SE16209/70A SE1620970A SE347859B SE 347859 B SE347859 B SE 347859B SE 16209/70 A SE16209/70 A SE 16209/70A SE 1620970 A SE1620970 A SE 1620970A SE 347859 B SE347859 B SE 347859B
Authority
SE
Sweden
Application number
SE16209/70A
Inventor
P Edholm
N Jacobson
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
Priority to SE16209/70A priority Critical patent/SE347859B/xx
Priority to US00201676A priority patent/US3755672A/en
Priority to IT54359/71A priority patent/IT945161B/en
Priority to GB5540471A priority patent/GB1374610A/en
Priority to FR7142828A priority patent/FR2116168A5/fr
Priority to DE19712159365 priority patent/DE2159365A1/en
Priority to NL7116455A priority patent/NL7116455A/xx
Publication of SE347859B publication Critical patent/SE347859B/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
    • A61B6/40—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)
SE16209/70A 1970-11-30 1970-11-30 SE347859B (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SE16209/70A SE347859B (en) 1970-11-30 1970-11-30
US00201676A US3755672A (en) 1970-11-30 1971-11-24 Exposure compensating device for radiographic apparatus
IT54359/71A IT945161B (en) 1970-11-30 1971-11-25 EXPOSURE COMPENSATION DEVICE FOR RADIOGRAPHIC EQUIPMENT
GB5540471A GB1374610A (en) 1970-11-30 1971-11-29 Radiographic apparatus
FR7142828A FR2116168A5 (en) 1970-11-30 1971-11-30
DE19712159365 DE2159365A1 (en) 1970-11-30 1971-11-30 Device for exposure compensation in devices for X-ray photography
NL7116455A NL7116455A (en) 1970-11-30 1971-11-30

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
SE347859B true SE347859B (en) 1972-08-14

Family

ID=20301887

Family Applications (1)

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

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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US4737647A (en) * 1986-03-31 1988-04-12 Siemens Medical Laboratories, Inc. Target assembly for an electron linear accelerator
US4972458A (en) * 1986-04-14 1990-11-20 The University Of Rochester Scanning equalization radiography
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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
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FR2664708B1 (en) * 1990-07-10 1992-09-25 Gen Electric Cgr METHOD FOR CORRECTING THE HARDENING OF AN X-RAY BEAM IN A SCANNER.
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JP3419821B2 (en) * 1992-05-26 2003-06-23 山之内製薬株式会社 K filter for continuous high-speed rotation image capture, continuous high-speed rotation image capture device, continuous high-speed rotation image capture method, and continuous high-speed rotation image capture / observation device
FI103176B1 (en) * 1993-06-15 1999-05-14 Planmeca Oy Soft tissue filter device for kephalostat
JP4043511B2 (en) * 1994-06-30 2008-02-06 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ X-ray inspection device comprising a filter
WO1996013040A1 (en) * 1994-10-25 1996-05-02 Philips Electronics N.V. X-ray apparatus comprising a filter
US5778046A (en) * 1996-01-19 1998-07-07 The Regents Of The University Of California Automatic X-ray Beam Equalizer
WO1997030459A1 (en) * 1996-02-14 1997-08-21 Philips Electronics N.V. X-ray examination apparatus with x-ray filter
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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
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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
DE10222397A1 (en) * 2002-05-21 2003-12-04 Siemens Ag Method for controlling the aperture of a computer tomograph and computer tomograph
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
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US7397904B2 (en) * 2005-05-11 2008-07-08 Varian Medical Systems Technologies, Inc. Asymmetric flattening filter for x-ray device
US7391843B2 (en) * 2005-06-20 2008-06-24 General Electric Company Systems and methods for adjusting noise in a medical imaging system
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
US7308073B2 (en) * 2005-10-20 2007-12-11 General Electric Company X-ray filter having dynamically displaceable x-ray attenuating fluid
ATE534046T1 (en) 2006-03-29 2011-12-15 Koninkl Philips Electronics Nv DYNAMIC OPTIMIZATION OF THE SIGNAL-NOISE RATIO OF DUAL ENERGY ATTENUATION DATA FOR THE RECONSTRUCTION OF IMAGES
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
WO2011060141A1 (en) * 2009-11-12 2011-05-19 Oncology Tech Llc An integrated beam modifying assembly for use with a proton beam therapy machine
FR2960642B1 (en) * 2010-05-28 2012-07-13 Snecma NON-DESTRUCTIVE CONTROL METHOD AND DEVICE FOR IMPLEMENTING THE METHOD
US9044187B2 (en) * 2010-12-09 2015-06-02 Koninklijke Philips N.V. Post-patient dynamic filter for computed tomography (CT)
US9357973B2 (en) 2011-06-30 2016-06-07 Koninklijke Philips N.V. X-ray beam transmission profile shaper
DE102012201856B4 (en) 2012-02-08 2015-04-02 Siemens Aktiengesellschaft Contour collimator and adaptive filter with electroactive polymer elements and associated method
DE102012220750B4 (en) 2012-02-08 2015-06-03 Siemens Aktiengesellschaft Contour collimator with a magnetic, X-ray absorbing liquid 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
DE102012207627B3 (en) * 2012-05-08 2013-05-02 Siemens Aktiengesellschaft Adaptive X-ray filter for changing local intensity of X-ray radiation subjected to patient, has heating device that is located to heat X-ray radiation-absorbing liquid
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
US9173621B2 (en) * 2013-04-02 2015-11-03 Triple Ring Technologies, Inc. Method and apparatus for adaptive X-ray filtration
EP3509492B1 (en) * 2016-09-08 2021-12-15 Koninklijke Philips N.V. Source grating for x-ray imaging
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
CN117331110A (en) * 2022-06-27 2024-01-02 上海联影医疗科技股份有限公司 Detector for imaging system

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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
FR2116168A5 (en) 1972-07-07
US3755672A (en) 1973-08-28
IT945161B (en) 1973-05-10
NL7116455A (en) 1972-06-01
GB1374610A (en) 1974-11-20
DE2159365A1 (en) 1972-07-13

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