IT945161B - Dispositivo di compensazione dell esposizione per apparecchi radiografici - Google Patents

Dispositivo di compensazione dell esposizione per apparecchi radiografici

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
English (en)
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/it

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)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
IT54359/71A 1970-11-30 1971-11-25 Dispositivo di compensazione dell esposizione per apparecchi radiografici IT945161B (it)

Applications Claiming Priority (1)

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

Publications (1)

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

Family

ID=20301887

Family Applications (1)

Application Number Title Priority Date Filing Date
IT54359/71A IT945161B (it) 1970-11-30 1971-11-25 Dispositivo di compensazione dell esposizione per apparecchi radiografici

Country Status (7)

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

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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
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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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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
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US5014290A (en) * 1988-10-28 1991-05-07 Moore Robert M Method and apparatus for generating radiation blockers
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DE69505343T2 (de) * 1994-06-30 1999-05-27 Koninklijke Philips Electronics N.V., Eindhoven Mit einem filter ausgerüstetes röntgengerät
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US5778046A (en) * 1996-01-19 1998-07-07 The Regents Of The University Of California Automatic X-ray Beam Equalizer
WO1997030459A1 (fr) * 1996-02-14 1997-08-21 Philips Electronics N.V. Appareil d'examen radiologique et filtre a rayons x
WO1997038329A1 (fr) * 1996-04-10 1997-10-16 Xitec, Inc. Dispositif d'imagerie optique
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
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JP4599392B2 (ja) * 2005-01-27 2010-12-15 株式会社日立メディコ Ｘ線計測装置
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 (fr) * 2006-03-29 2007-10-04 Philips Intellectual Property & Standards Gmbh Optimisation dynamique du rapport signal-sur-bruit de données d'atténuation provenant de deux énergies pour reconstruire des 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
WO2011060133A1 (fr) * 2009-11-12 2011-05-19 Oncology Tech Llc Dispositifs de modification de faisceau destinés à être utilisés avec des systèmes de thérapie à faisceaux de particule
FR2960642B1 (fr) * 2010-05-28 2012-07-13 Snecma Procede de controle non destructif et dispositif de mise en oeuvre du procede
US9044187B2 (en) * 2010-12-09 2015-06-02 Koninklijke Philips N.V. Post-patient dynamic filter for computed tomography (CT)
CN103620694B (zh) * 2011-06-30 2016-08-17 皇家飞利浦有限公司 X射线束传输分布整形器
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
JP7044764B6 (ja) * 2016-09-08 2022-05-31 コーニンクレッカ フィリップス エヌ ヴェ Ｘ線撮像のための線源格子
JP2020533059A (ja) * 2017-09-08 2020-11-19 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 動的ボウタイフィルタ及びその使用方法
EP3712902B1 (fr) 2019-03-18 2021-05-26 Siemens Healthcare GmbH Système filtrant destiné à l'affaiblissement local du rayonnement x, appareil à rayons x et procédé de modification locale de l'intensité du rayonnement x
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
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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
GB1374610A (en) 1974-11-20
FR2116168A5 (fr) 1972-07-07
SE347859B (fr) 1972-08-14
NL7116455A (fr) 1972-06-01
US3755672A (en) 1973-08-28

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