GB1374610A - Radiographic apparatus - Google Patents

Radiographic apparatus

Info

Publication number
GB1374610A
GB1374610A GB5540471A GB5540471A GB1374610A GB 1374610 A GB1374610 A GB 1374610A GB 5540471 A GB5540471 A GB 5540471A GB 5540471 A GB5540471 A GB 5540471A GB 1374610 A GB1374610 A GB 1374610A
Authority
GB
United Kingdom
Prior art keywords
powder
filter device
exposure
different
intensity
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB5540471A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Medinova AB
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
Publication of GB1374610A publication Critical patent/GB1374610A/en
Expired legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03Computed tomography [CT]
    • A61B6/032Transmission computed tomography [CT]
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/40Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4035Arrangements for generating radiation specially adapted for radiation diagnosis the source being combined with a filter or grating
    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21KTECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K1/00Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
    • G21K1/10Scattering 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)
GB5540471A 1970-11-30 1971-11-29 Radiographic apparatus Expired GB1374610A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1374610A true GB1374610A (en) 1974-11-20

Family

ID=20301887

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5540471A Expired GB1374610A (en) 1970-11-30 1971-11-29 Radiographic apparatus

Country Status (7)

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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0417964A3 (en) * 1989-09-06 1991-04-10 General Electric Company A scanning mammography system
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
WO2007110796A3 (en) * 2006-03-29 2008-01-24 Philips Intellectual Property Dynamic optimization of the signal-to-noise ratio of dual-energy attenuation data for reconstructing images
EP4329626A4 (en) * 2022-06-27 2024-08-28 Shanghai United Imaging Healthcare Co., Ltd. SYSTEMS AND METHODS FOR IMAGING AND DATA PROCESSING

Families Citing this family (88)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3882314A (en) * 1973-02-09 1975-05-06 Siemens Ag Device for X-ray treatment
GB1475492A (en) * 1973-06-01 1977-06-01 Emi Ltd Apparatus for examining objects by means of penetrating radiation
US4069422A (en) * 1973-06-01 1978-01-17 E M I Limited Apparatus for examining objects by means of penetrating radiation
US3848130A (en) * 1973-06-25 1974-11-12 A Macovski Selective material x-ray imaging system
US3999073A (en) * 1973-12-13 1976-12-21 Emi Limited Apparatus for examining a body by means of penetrating radiation
US4002911A (en) * 1974-05-20 1977-01-11 Emi Limited Data acquisition in tomography
CH576263A5 (en) * 1974-11-05 1976-06-15 Flocee Rune Shaping a radiation beam for radiotherapy - using a deformable block of material containing a heavy metal powder
US3965358A (en) * 1974-12-06 1976-06-22 Albert Macovski Cross-sectional imaging system using a polychromatic x-ray source
US4123657A (en) * 1975-11-28 1978-10-31 Artronix Inc. X-ray detector
EP0001393A3 (en) * 1977-08-25 1979-12-12 Charles R. Henry A system for the distribution, transmission, detection, collection or modulation of propagating energy and/or energy fields
US4136388A (en) * 1977-08-26 1979-01-23 U.S. Philips Corporation Data acquisition system for computed tomography
US4181858A (en) * 1977-12-30 1980-01-01 Emi Limited Adjustable compensating device for radiographic apparatus
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
US4481419A (en) * 1981-10-29 1984-11-06 Siemens Gammasonics, Inc. Attenuation zone plate
GB2129721B (en) * 1982-10-04 1985-12-24 Varian Associates Apparatus for producing tissue compensating filter for use in radiation therapy
FI68515C (fi) * 1983-01-07 1991-05-14 Instrumentarium Oy Mjukvaevnadsfilteranordning.
JPS59221643A (ja) * 1983-05-31 1984-12-13 Toshiba Corp セラミツクス物品の検査法
US4497062A (en) * 1983-06-06 1985-01-29 Wisconsin Alumni Research Foundation Digitally controlled X-ray beam attenuation method and apparatus
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
US4701942A (en) * 1985-06-10 1987-10-20 American Technologies, Inc. Ink jet fluid for radiology
NL8501795A (nl) * 1985-06-21 1987-01-16 Optische Ind De Oude Delft Nv Inrichting en werkwijze voor spleetradiografie met verschillende roentgenstralingsenergieen.
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
US4905268A (en) * 1985-10-25 1990-02-27 Picker International, Inc. Adjustable off-focal aperture for x-ray tubes
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
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
FR2654917A1 (fr) * 1989-11-24 1991-05-31 Gen Electric Cgr Appareil de radiologie avec filtre d'homogeneisation.
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
DE69505343T2 (de) * 1994-06-30 1999-05-27 Koninklijke Philips Electronics N.V., Eindhoven Mit einem filter ausgerüstetes röntgengerät
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
JP3839059B2 (ja) * 1996-02-14 2006-11-01 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴイ X線フィルタを有するx線検査装置
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
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
US7068750B2 (en) * 2003-10-27 2006-06-27 General Electric Company System and method of x-ray flux management control
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
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 (en) * 2009-11-12 2011-05-19 Oncology Tech Llc Beam modifying devices for use with particle beam therapy systems
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)
RU2014102766A (ru) * 2011-06-30 2015-08-10 Конинклейке Филипс Н.В. Формирователь профиля передачи рентгеновского пучка
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
US10835193B2 (en) * 2016-09-08 2020-11-17 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

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0417964A3 (en) * 1989-09-06 1991-04-10 General Electric Company A scanning mammography system
US5164976A (en) * 1989-09-06 1992-11-17 General Electric Company 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
WO2007110796A3 (en) * 2006-03-29 2008-01-24 Philips Intellectual Property Dynamic optimization of the signal-to-noise ratio of dual-energy attenuation data for reconstructing images
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
EP4329626A4 (en) * 2022-06-27 2024-08-28 Shanghai United Imaging Healthcare Co., Ltd. SYSTEMS AND METHODS FOR IMAGING AND DATA PROCESSING

Also Published As

Publication number Publication date
US3755672A (en) 1973-08-28
NL7116455A (enrdf_load_stackoverflow) 1972-06-01
SE347859B (enrdf_load_stackoverflow) 1972-08-14
IT945161B (it) 1973-05-10
FR2116168A5 (enrdf_load_stackoverflow) 1972-07-07
DE2159365A1 (de) 1972-07-13

Similar Documents

Publication Publication Date Title
GB1374610A (en) Radiographic apparatus
US4651002A (en) Radiographic method and apparatus for reducing the effects of scatter in the image
US4323779A (en) Scanning radiographic method
GB1449276A (en) Spatially modulated imaging system
ATE207285T1 (de) Selbst-kalibriertes tomosynthetisches, radiographisches bilderzeugungssystem, methode und gerät
JPS62290443A (ja) 動静電荷検出装置で2種エネルギ差像を求める装置及び方法
EP0223432A2 (en) X-ray radiography system
US4321473A (en) Focusing radiation collimator
US5162919A (en) Light beam scanning apparatus using sequentially activated shutters and light sources
US4173720A (en) Method and apparatus for image construction
US4550419A (en) Diagnostic radiology setup with means for suppressing stray radiation
JPH06100657B2 (ja) X線写真装置
EP0137465A3 (en) Film-based dual energy radiography
JPS59102227A (ja) 蓄積性螢光体シ−トを用いた高速撮影台
GB1513337A (en) Mammography
GB1225033A (en) X-ray diagnostic apparatus for urological examinations
JPH02280099A (ja) エネルギーサブトラクション方法
JPH0520026B2 (enrdf_load_stackoverflow)
CA1165904A (en) Radiography apparatus with a fan-shaped beam
US3422264A (en) Device for producing stereoscopic radiographs
Mehl et al. Radiography by the use of gamma rays
GB1169787A (en) Tomographic Apparatus
SU957152A1 (ru) Стереорентгенографический аппарат
JP2772667B2 (ja) 放射線撮像装置における放射線照射量調整装置
US5289204A (en) Image recording apparatus

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees