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 FR7142828A priority patent/FR2116168A5/fr
Priority to NL7116455A priority patent/NL7116455A/xx
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)
  • 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 (fi)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SE16209/70A SE347859B (fi) 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
FR7142828A FR2116168A5 (fi) 1970-11-30 1971-11-30
NL7116455A NL7116455A (fi) 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 (fi) 1970-11-30 1970-11-30

Publications (1)

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

Family

ID=20301887

Family Applications (1)

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

Country Status (7)

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

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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
FR2485790A1 (fr) * 1980-06-24 1981-12-31 Radiologie Cie Gle Systeme de filtration, a effet modulable a distance et appareil de radiologie comportant un tel systeme
JPS5753677A (en) * 1980-09-18 1982-03-30 Toshiba Corp Radiant ray detector
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NL8400845A (nl) * 1984-03-16 1985-10-16 Optische Ind De Oude Delft Nv Inrichting voor spleetradiografie.
FR2561516B1 (fr) * 1984-03-20 1988-03-04 Thomson Cgr Installation de radiologie a filtre compensateur
NL8401411A (nl) 1984-05-03 1985-12-02 Optische Ind De Oude Delft Nv Inrichting voor spleetradiografie.
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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CA1244971A (en) * 1985-11-14 1988-11-15 Shih-Ping Wang X-ray radiography method and system
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
US4791300A (en) * 1986-08-25 1988-12-13 Qtr Corporation Miniature gamma camera
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US4868857A (en) * 1987-10-30 1989-09-19 Duke University Variable compensation method and apparatus for radiological images
US5081659A (en) * 1987-10-30 1992-01-14 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
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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.
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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
WO1996000967A1 (en) * 1994-06-30 1996-01-11 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
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WO1997038329A1 (en) * 1996-04-10 1997-10-16 Xitec, Inc. Optical imaging system
US5878111A (en) * 1996-09-20 1999-03-02 Siemens Aktiengesellschaft X-ray absorption filter having a field generating matrix and field sensitive liquids
DE19638621C1 (de) * 1996-09-20 1998-02-05 Siemens Ag Filter zum Absorbieren von Röntgenstrahlung
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
WO2007110796A2 (en) * 2006-03-29 2007-10-04 Philips Intellectual Property & Standards Gmbh 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
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FR2960642B1 (fr) * 2010-05-28 2012-07-13 Snecma Procede de controle non destructif et dispositif de mise en oeuvre du procede
EP2648620B1 (en) * 2010-12-09 2014-11-05 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
DE102012220750B4 (de) 2012-02-08 2015-06-03 Siemens Aktiengesellschaft Konturkollimator mit einer magnetischen, Röntgenstrahlung absorbierenden Flüssigkeit und zugehöriges Verfahren
DE102012201856B4 (de) 2012-02-08 2015-04-02 Siemens Aktiengesellschaft Konturkollimator und adaptives Filter mit elektroaktiven Polymerelementen 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
CN109688930A (zh) * 2016-09-08 2019-04-26 皇家飞利浦有限公司 用于x射线成像的源光栅
US11197654B2 (en) * 2017-09-08 2021-12-14 Koninklijke Philips N.V. Dynamic bowtie filter and methods of using the same
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
CN117331110A (zh) * 2022-06-27 2024-01-02 上海联影医疗科技股份有限公司 一种用于成像系统的探测器

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

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