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/it
Priority to GB5540471A priority patent/GB1374610A/en
Priority to NL7116455A priority patent/NL7116455A/xx
Priority to FR7142828A priority patent/FR2116168A5/fr
Priority to DE19712159365 priority patent/DE2159365A1/de
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)
  • Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Surgery (AREA)
  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Public Health (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Pulmonology (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
SE16209/70A 1970-11-30 1970-11-30 SE347859B (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SE16209/70A SE347859B (ja) 1970-11-30 1970-11-30
US00201676A US3755672A (en) 1970-11-30 1971-11-24 Exposure compensating device for radiographic apparatus
IT54359/71A IT945161B (it) 1970-11-30 1971-11-25 Dispositivo di compensazione dell esposizione per apparecchi radiografici
GB5540471A GB1374610A (en) 1970-11-30 1971-11-29 Radiographic apparatus
NL7116455A NL7116455A (ja) 1970-11-30 1971-11-30
FR7142828A FR2116168A5 (ja) 1970-11-30 1971-11-30
DE19712159365 DE2159365A1 (de) 1970-11-30 1971-11-30 Einrichtung zum Belichtungsausgleich in Geräten für die Röntgenstrahlenphotographie

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
SE347859B true SE347859B (ja) 1972-08-14

Family

ID=20301887

Family Applications (1)

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

Country Status (7)

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

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US4288695A (en) * 1979-04-13 1981-09-08 Technicare Corporation Computerized tomographic scanner with shaped radiation filter
DE3011912A1 (de) * 1980-03-27 1981-10-01 Siemens AG, 1000 Berlin und 8000 München Roentgendiagnostikanlage mit einem regelkreis fuer die dosisleistung
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FR2561516B1 (fr) * 1984-03-20 1988-03-04 Thomson Cgr Installation de radiologie a filtre compensateur
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DE3500812A1 (de) * 1985-01-11 1986-07-17 Siemens AG, 1000 Berlin und 8000 München Roentgendiagnostikeinrichtung mit halbtransparenter blende
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US4638502A (en) * 1985-07-08 1987-01-20 The Ontario Cancer Institute Anthropomorphic phantoms
US4672648A (en) * 1985-10-25 1987-06-09 Picker International, Inc. Apparatus and method for radiation attenuation
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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
US5014290A (en) * 1988-10-28 1991-05-07 Moore Robert M Method and apparatus for generating radiation blockers
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US5037374A (en) * 1989-11-29 1991-08-06 Carol Mark P Stereotactic-guided radiation therapy system with variable-length compensating collimator
US4975933A (en) * 1990-03-26 1990-12-04 General Electric Company Bow-tie X-ray filter assembly for dual energy tomography
NL9000896A (nl) * 1990-04-17 1991-11-18 Philips Nv Roentgenstraling absorberend filter.
FR2664708B1 (fr) * 1990-07-10 1992-09-25 Gen Electric Cgr Procede de correction du durcissement d'un faisceau de rayons x dans un scanner.
NL9100019A (nl) * 1991-01-09 1992-08-03 Philips Nv Roentgenonderzoekapparaat.
JP3419821B2 (ja) * 1992-05-26 2003-06-23 山之内製薬株式会社 連続高速回転像撮影用ｋフィルタ，連続高速回転像撮影装置及び連続高速回転像撮影方法並びに連続高速回転像撮影観察装置
FI103176B1 (fi) * 1993-06-15 1999-05-14 Planmeca Oy Pehmytkudossuodinlaite kefalostaattiin
EP0717875B1 (en) * 1994-06-30 1998-10-14 Koninklijke Philips Electronics N.V. X-ray examination apparatus 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
DE69712840T2 (de) * 1996-02-14 2002-12-12 Koninkl Philips Electronics Nv Mit einem röntgenstrahlungsfilter versehene röntgenstrahlprüfvorrichtung
WO1997038329A1 (en) * 1996-04-10 1997-10-16 Xitec, Inc. Optical imaging system
DE19638621C1 (de) * 1996-09-20 1998-02-05 Siemens Ag Filter zum Absorbieren von Röntgenstrahlung
US5878111A (en) * 1996-09-20 1999-03-02 Siemens Aktiengesellschaft X-ray absorption filter having a field generating matrix and field sensitive liquids
IT1286819B1 (it) * 1996-12-11 1998-07-17 Gd Spa Metodo di misura dell'intensita' di radiazione trasmessa attraverso un corpo
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 (de) * 2002-05-21 2003-12-04 Siemens Ag Verfahren zur Blendenregelung eines Computertomographen und Computertomograph
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
CN100579453C (zh) * 2005-01-27 2010-01-13 株式会社日立医药 X射线测量装置
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 (ja) * 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線ｃｔ装置
US7308073B2 (en) * 2005-10-20 2007-12-11 General Electric Company X-ray filter having dynamically displaceable x-ray attenuating fluid
US8155422B2 (en) 2006-03-29 2012-04-10 Koninklijke Philips Electronics N.V. Dynamic optimization of the signal-to-noise ratio of dual-energy attenuation data for reconstructing 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 (ja) * 2008-10-24 2011-12-28 キヤノン株式会社 Ｘ線撮像装置およびｘ線撮像方法
DE102009012631B4 (de) * 2009-03-11 2011-07-28 Bayer Schering Pharma Aktiengesellschaft, 13353 Filter für einen Computertomographen sowie Computertomograph
US20110127443A1 (en) * 2009-11-12 2011-06-02 Sean Comer Integrated beam modifying assembly for use with a proton beam therapy machine
FR2960642B1 (fr) * 2010-05-28 2012-07-13 Snecma Procede de controle non destructif et dispositif de mise en oeuvre du procede
WO2012077027A1 (en) * 2010-12-09 2012-06-14 Koninklijke Philips Electronics N.V. Post-patient dynamic filter for computed tomography (ct)
EP2727119B1 (en) 2011-06-30 2019-03-06 Koninklijke Philips N.V. X-ray beam transmission profile shaper
DE102012201856B4 (de) 2012-02-08 2015-04-02 Siemens Aktiengesellschaft Konturkollimator und adaptives Filter mit elektroaktiven Polymerelementen und zugehöriges Verfahren
DE102012220750B4 (de) 2012-02-08 2015-06-03 Siemens Aktiengesellschaft Konturkollimator mit einer magnetischen, Röntgenstrahlung absorbierenden Flüssigkeit und zugehöriges Verfahren
DE102012206953B3 (de) * 2012-04-26 2013-05-23 Siemens Aktiengesellschaft Adaptives Röntgenfilter und Verfahren zur adaptiven Schwächung einer Röntgenstrahlung
DE102012207627B3 (de) * 2012-05-08 2013-05-02 Siemens Aktiengesellschaft Adaptives Röntgenfilter zur Veränderung der lokalen Intensität einer Röntgenstrahlung
DE102012209150B3 (de) 2012-05-31 2013-04-11 Siemens Aktiengesellschaft Adaptives Röntgenfilter und Verfahren zur Veränderung der lokalen Intensität einer Röntgenstrahlung
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 BUTTERFLY NECK FILTER AND METHODS OF USE THEREOF
EP3712902B1 (de) 2019-03-18 2021-05-26 Siemens Healthcare GmbH Filtersystem zur lokalen abschwächung von röntgenstrahlung, röntgenapparat und verfahren zur lokalen veränderung der intensität von röntgenstrahlung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR816845A (fr) * 1936-01-27 1937-08-18 Dispositif pour protéger le malade contre des lésions causées par les rayons chi
DE1145277B (de) * 1960-05-27 1963-03-14 Koch & Sterzel Kommanditgesell Roentgenapparat mit als Dosisleistungsmesser verwendetem Belichtungsautomaten

Also Published As

Publication number Publication date
FR2116168A5 (ja) 1972-07-07
DE2159365A1 (de) 1972-07-13
IT945161B (it) 1973-05-10
GB1374610A (en) 1974-11-20
US3755672A (en) 1973-08-28
NL7116455A (ja) 1972-06-01

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