BE869762A - Collimateur de rayonnement de rontgen, utilise en particulier dans un dispositif de tomographie axiale equipe d'une calculatrice - Google Patents

Collimateur de rayonnement de rontgen, utilise en particulier dans un dispositif de tomographie axiale equipe d'une calculatrice

Info

Publication number
BE869762A
BE869762A BE189903A BE189903A BE869762A BE 869762 A BE869762 A BE 869762A BE 189903 A BE189903 A BE 189903A BE 189903 A BE189903 A BE 189903A BE 869762 A BE869762 A BE 869762A
Authority
BE
Belgium
Prior art keywords
calculator
device equipped
tomography device
axial tomography
radiation collimator
Prior art date
Application number
BE189903A
Other languages
English (en)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of BE869762A publication Critical patent/BE869762A/fr

Links

Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21K—HANDLING OF 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
    • G21K1/02—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators
    • G21K1/025—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using multiple collimators, e.g. Bucky screens; other devices for eliminating undesired or dispersed radiation
    • 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
    • A61B6/06—Diaphragms
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
    • Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation

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)
  • Medical Treatment And Welfare Office Work (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
BE189903A 1977-08-18 1978-08-16 Collimateur de rayonnement de rontgen, utilise en particulier dans un dispositif de tomographie axiale equipe d'une calculatrice BE869762A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/825,590 US4277684A (en) 1977-08-18 1977-08-18 X-Ray collimator, particularly for use in computerized axial tomography apparatus

Publications (1)

Publication Number Publication Date
BE869762A true BE869762A (fr) 1979-02-16

Family

ID=25244399

Family Applications (1)

Application Number Title Priority Date Filing Date
BE189903A BE869762A (fr) 1977-08-18 1978-08-16 Collimateur de rayonnement de rontgen, utilise en particulier dans un dispositif de tomographie axiale equipe d'une calculatrice

Country Status (10)

Country Link
US (1) US4277684A (fr)
JP (1) JPS5443488A (fr)
BE (1) BE869762A (fr)
CA (1) CA1114074A (fr)
DE (1) DE2835583A1 (fr)
FR (1) FR2400717A1 (fr)
GB (1) GB2004448B (fr)
IL (1) IL55362A0 (fr)
IT (1) IT1098094B (fr)
NL (1) NL7808438A (fr)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2932182A1 (de) * 1979-08-08 1981-02-26 Siemens Ag Schichtgeraet zur herstellung von transversalschichtbildern
NL7906634A (nl) * 1979-09-05 1981-03-09 Philips Nv Inrichting voor het bepalen van lokale absorptie- verschillen in een objekt.
US4361902A (en) * 1980-07-07 1982-11-30 General Electric Company Collimator for x-ray diagnostic apparatus
FI67465C (fi) * 1981-04-24 1985-03-11 Instrumentarium Oy Installation foer aostadkommande av radiografiska skiktbilder
DE3149723A1 (de) * 1981-12-15 1983-07-21 Siemens AG, 1000 Berlin und 8000 München Zahnaerztliche roentgendiagnostikeinrichtung
US4466112A (en) * 1982-01-29 1984-08-14 Technicare Corporation Variable detector aperture
US4472828A (en) * 1982-07-23 1984-09-18 Minnesota Mining And Manufacturing Company X-Ray filter for chest X-rays
JPS5993510U (ja) * 1982-12-14 1984-06-25 株式会社日立メデイコ Ｘ線束絞り装置
US4905268A (en) * 1985-10-25 1990-02-27 Picker International, Inc. Adjustable off-focal aperture for x-ray tubes
US4672648A (en) * 1985-10-25 1987-06-09 Picker International, Inc. Apparatus and method for radiation attenuation
US4872191A (en) * 1987-11-19 1989-10-03 Bio-Imaging Research, Inc. Cam-controlled automatic dynamic focusing for computed tomography
US4910759A (en) * 1988-05-03 1990-03-20 University Of Delaware Xray lens and collimator
US5239568A (en) * 1990-10-29 1993-08-24 Scinticor Incorporated Radiation collimator system
US5418832A (en) * 1993-11-05 1995-05-23 Barnes; Gary T. Scanning radiographic device with slit, slot and grid
US5563924A (en) * 1994-02-04 1996-10-08 Siemens Aktiengesellschaft X-ray apparatus having an adjustable primary radiation diaphragm
US6035013A (en) * 1994-06-01 2000-03-07 Simage O.Y. Radiographic imaging devices, systems and methods
GB2289983B (en) * 1994-06-01 1996-10-16 Simage Oy Imaging devices,systems and methods
US5604353A (en) * 1995-06-12 1997-02-18 X-Ray Optical Systems, Inc. Multiple-channel, total-reflection optic with controllable divergence
DE19741184A1 (de) 1997-09-18 1999-03-25 Basf Ag Verfahren zur Verminderung von Restmonomeren in Flüssigsystemen unter Zugabe eines Redoxinitiatorsystems
GB2341301B (en) * 1998-08-28 2003-04-09 Elekta Ab Collimator for radiotherapy apparatus
IL130318A0 (en) * 1999-06-06 2000-06-01 Elgems Ltd Pet and spect systems with attenuation correction
SE522484C2 (sv) 2000-09-28 2004-02-10 Xcounter Ab Kollimation av strålning från linjelika källor för joniserande strålning och därtill relaterad detektering av plana strålknippen
US6711235B2 (en) 2002-05-31 2004-03-23 General Electric Cormpany X-ray inspection apparatus and method
US20040120464A1 (en) * 2002-12-19 2004-06-24 Hoffman David Michael Cast collimators for CT detectors and methods of making same
US7343039B2 (en) * 2003-06-13 2008-03-11 Microsoft Corporation System and process for generating representations of objects using a directional histogram model and matrix descriptor
US7683333B2 (en) * 2004-10-15 2010-03-23 Koninklijke Philips Electronics N.V. Detector for nuclear medicine
US8242453B2 (en) * 2004-10-15 2012-08-14 Koninklijke Philips Electronics N.V. Imaging system for nuclear medicine
DE102004058007B4 (de) * 2004-12-01 2009-02-12 Siemens Ag Röntgen-Computertomograf
CN100454039C (zh) * 2005-09-22 2009-01-21 同方威视技术股份有限公司 一种射线发生器、导束盒和前、后准直器一体化结构
WO2008110977A1 (fr) * 2007-03-13 2008-09-18 Philips Intellectual Property & Standards Gmbh Collimateur de rayons x d'appoint pour une collimation de faisceau non symétrique
US8385499B2 (en) * 2009-12-28 2013-02-26 General Electric Company 2D reflector and collimator structure and method of manufacturing thereof
RU2014102766A (ru) * 2011-06-30 2015-08-10 Конинклейке Филипс Н.В. Формирователь профиля передачи рентгеновского пучка
GB201407826D0 (en) 2014-05-02 2014-06-18 Johnson Matthey Plc Apparatus and method for scanning a structure
US10082473B2 (en) 2015-07-07 2018-09-25 General Electric Company X-ray filtration
US20170143284A1 (en) * 2015-11-25 2017-05-25 Carestream Health, Inc. Method to detect a retained surgical object
US11257653B2 (en) 2020-03-27 2022-02-22 The Boeing Company Integrated aperture shield for x-ray tubes
US11169098B2 (en) * 2020-04-02 2021-11-09 The Boeing Company System, method, and apparatus for x-ray backscatter inspection of parts
US12163903B2 (en) 2021-05-12 2024-12-10 The Boeing Company System, method, and apparatus for x-ray backscatter inspection of parts

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2492031A (en) * 1948-07-22 1949-12-20 Ritter Co Inc X-ray machine shutter control mechanism
US3428802A (en) * 1966-04-11 1969-02-18 Ibm External standard method of x-ray diffraction analysis for determining the percentage of compounds in cement clinker
GB1462861A (en) * 1973-02-24 1977-01-26 Emi Ltd Radiography
DE2548531A1 (de) * 1975-06-30 1977-01-27 Gary T Barnes Verfahren der roentgendiagnostik zur verbesserung des bildkontrastes sowie vorrichtung zur durchfuehrung des verfahrens
US4096389A (en) * 1976-05-10 1978-06-20 G. D. Searle & Co. Apparatus for minimizing radiation exposure and improving resolution in radiation imaging devices
US4066901A (en) * 1976-09-13 1978-01-03 Varian Associates, Inc. Tomographic scanning apparatus with improved collimator structure

Also Published As

Publication number Publication date
JPS5443488A (en) 1979-04-06
FR2400717A1 (fr) 1979-03-16
IL55362A0 (en) 1978-10-31
GB2004448A (en) 1979-03-28
CA1114074A (fr) 1981-12-08
DE2835583A1 (de) 1979-03-01
FR2400717B1 (fr) 1983-08-05
IT7826780A0 (it) 1978-08-16
NL7808438A (nl) 1979-02-20
IT1098094B (it) 1985-08-31
US4277684A (en) 1981-07-07
GB2004448B (en) 1982-02-10

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