FR2348485A1 - Perfectionnements aux procedes et appareils d'examen par absorption de rayonnement - Google Patents

Perfectionnements aux procedes et appareils d'examen par absorption de rayonnement

Info

Publication number
FR2348485A1
FR2348485A1 FR7611153A FR7611153A FR2348485A1 FR 2348485 A1 FR2348485 A1 FR 2348485A1 FR 7611153 A FR7611153 A FR 7611153A FR 7611153 A FR7611153 A FR 7611153A FR 2348485 A1 FR2348485 A1 FR 2348485A1
Authority
FR
France
Prior art keywords
radiation absorption
examination methods
absorption examination
methods
radiation
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.)
Granted
Application number
FR7611153A
Other languages
English (en)
Other versions
FR2348485B1 (fr
Inventor
Jean Perilhou
Perilhou Jean
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.)
Laboratoires dElectronique Philips SAS
Original Assignee
Laboratoires dElectronique et de Physique Appliquee
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 Laboratoires dElectronique et de Physique Appliquee filed Critical Laboratoires dElectronique et de Physique Appliquee
Priority to FR7611153A priority Critical patent/FR2348485A1/fr
Priority to US05/785,050 priority patent/US4145610A/en
Priority to CA275,970A priority patent/CA1075378A/fr
Priority to SE7704144A priority patent/SE7704144L/xx
Priority to NL7703946A priority patent/NL7703946A/xx
Priority to GB15039/77A priority patent/GB1582377A/en
Priority to AU24179/77A priority patent/AU508374B2/en
Priority to ES457748A priority patent/ES457748A1/es
Priority to BE176693A priority patent/BE853565A/fr
Priority to DE2716279A priority patent/DE2716279C3/de
Priority to JP4213077A priority patent/JPS52127090A/ja
Publication of FR2348485A1 publication Critical patent/FR2348485A1/fr
Application granted granted Critical
Publication of FR2348485B1 publication Critical patent/FR2348485B1/fr
Granted legal-status Critical Current

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
    • A61B6/06—Diaphragms
    • 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
    • A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
    • A61B6/4266—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a plurality of detector units

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Measurement Of Radiation (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
FR7611153A 1976-04-15 1976-04-15 Perfectionnements aux procedes et appareils d'examen par absorption de rayonnement Granted FR2348485A1 (fr)

Priority Applications (11)

Application Number Priority Date Filing Date Title
FR7611153A FR2348485A1 (fr) 1976-04-15 1976-04-15 Perfectionnements aux procedes et appareils d'examen par absorption de rayonnement
US05/785,050 US4145610A (en) 1976-04-15 1977-04-06 Method of and device for computed tomography
SE7704144A SE7704144L (sv) 1976-04-15 1977-04-12 Sett och anordning for medicinsk undersokning genom stralningsabsorbtionsmetning
NL7703946A NL7703946A (nl) 1976-04-15 1977-04-12 Werkwijze en apparaat voor medisch onderzoek door middel van stralingsabsorptie.
GB15039/77A GB1582377A (en) 1976-04-15 1977-04-12 Method of and device for medical examination by radiation absorption measurement
AU24179/77A AU508374B2 (en) 1976-04-15 1977-04-12 Reference signal for absorption tomography
CA275,970A CA1075378A (fr) 1976-04-15 1977-04-12 Methode d'examen medical comportant la mesure de l'absorption des rayonnements ionisants et dispositif a cet effet
ES457748A ES457748A1 (es) 1976-04-15 1977-04-13 Un metodo perfeccionado de examen medico por medicion de ab-sorcion de radiacion.
BE176693A BE853565A (fr) 1976-04-15 1977-04-13 Werkwijze en apparaat voor medisch onderzoek door middel van stralingsabsorptie
DE2716279A DE2716279C3 (de) 1976-04-15 1977-04-13 Anordnung zur Ermittlung der Strahlungsabsorption in einer Ebene eines Körpers
JP4213077A JPS52127090A (en) 1976-04-15 1977-04-14 Method and device for medically inspecting by measuring radiation absorbing amount

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7611153A FR2348485A1 (fr) 1976-04-15 1976-04-15 Perfectionnements aux procedes et appareils d'examen par absorption de rayonnement

Publications (2)

Publication Number Publication Date
FR2348485A1 true FR2348485A1 (fr) 1977-11-10
FR2348485B1 FR2348485B1 (fr) 1978-08-25

Family

ID=9171893

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7611153A Granted FR2348485A1 (fr) 1976-04-15 1976-04-15 Perfectionnements aux procedes et appareils d'examen par absorption de rayonnement

Country Status (11)

Country Link
US (1) US4145610A (fr)
JP (1) JPS52127090A (fr)
AU (1) AU508374B2 (fr)
BE (1) BE853565A (fr)
CA (1) CA1075378A (fr)
DE (1) DE2716279C3 (fr)
ES (1) ES457748A1 (fr)
FR (1) FR2348485A1 (fr)
GB (1) GB1582377A (fr)
NL (1) NL7703946A (fr)
SE (1) SE7704144L (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2362614A1 (fr) * 1976-08-28 1978-03-24 Emi Ltd Appareil de tomographie axiale
FR2472372A1 (fr) * 1979-06-30 1981-07-03 Philips Nv Procede et dispositif pour definir le contour d'un corps a l'aide de rayonnement disperse sur ce corps
FR2519772A1 (fr) * 1982-01-08 1983-07-18 Thomson Csf Dispositif de detection de reference pour tomodensitometre multidetecteur et tomodensitometre comportant un tel dispositif

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4266135A (en) * 1977-07-01 1981-05-05 Ohio Nuclear, Inc. Method of determining collimator aperture efficiency and apparatus with an efficient collimator aperture size
DE2741732C2 (de) * 1977-09-16 1985-01-24 Siemens AG, 1000 Berlin und 8000 München Schichtgerät zur Herstellung von Transversalschichtbildern
JPS5468192A (en) * 1977-11-11 1979-06-01 Jeol Ltd X-ray inspection unit
US4220860A (en) * 1978-07-24 1980-09-02 Ohio Nuclear, Inc. Tomographic scanner with cadmium tungstate scintillation crystals
DE2920051C2 (de) * 1979-05-18 1984-04-19 Philips Patentverwaltung Gmbh, 2000 Hamburg Röntgengerät zur Ermittlung der Absorptionsverteilung in einem ebenen Untersuchungsbereich
US4292538A (en) * 1979-08-08 1981-09-29 Technicare Corporation Shaped detector
US4278889A (en) * 1979-10-15 1981-07-14 Ohio Nuclear, Inc. Current amplifier with automatic drift correction for tomographic scanners
DE3134076A1 (de) * 1981-08-28 1983-03-10 Philips Patentverwaltung Gmbh, 2000 Hamburg "vorrichtung zur schichtweisen darstellung eines koerpers"
US4947412A (en) * 1988-10-20 1990-08-07 Picker International, Inc. X-ray detector for CT scanners
US5325855A (en) * 1992-08-07 1994-07-05 Memorial Hospital For Cancer And Allied Diseases Flexible intraoperative radiation imaging camera
US5550886A (en) * 1994-11-22 1996-08-27 Analogic Corporation X-Ray focal spot movement compensation system
BR9509814A (pt) * 1994-11-22 1997-10-21 Analogic Corp Normalização de dados de imagem tomográfica
US5719400A (en) * 1995-08-07 1998-02-17 The Regents Of The University Of California High resolution detector array for gamma-ray imaging
US10799193B2 (en) 2019-02-12 2020-10-13 Malcova LLC Method and apparatus for anatomically-specified conformation computed tomography
US10531844B1 (en) * 2019-08-09 2020-01-14 Malcova LLC Narrow beam CT using a 3D fluence modulation and scatter shield system
AU2021204807A1 (en) * 2021-07-09 2023-02-02 University Of Wollongong System & method for high-accuracy radioactive source localisation
US11622735B1 (en) 2022-10-20 2023-04-11 MALCOVA, Inc. Plural-plane narrow-beam computed tomography

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1283915A (en) * 1968-08-23 1972-08-02 Emi Ltd A method of and apparatus for examination of a body by radiation such as x or gamma radiation
FR2249517B1 (fr) * 1973-10-30 1976-10-01 Thomson Csf
GB1493148A (en) * 1974-01-31 1977-11-23 Emi Ltd Radiography
FR2270836B1 (fr) * 1974-05-15 1978-02-03 Emi Ltd

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2362614A1 (fr) * 1976-08-28 1978-03-24 Emi Ltd Appareil de tomographie axiale
FR2472372A1 (fr) * 1979-06-30 1981-07-03 Philips Nv Procede et dispositif pour definir le contour d'un corps a l'aide de rayonnement disperse sur ce corps
FR2519772A1 (fr) * 1982-01-08 1983-07-18 Thomson Csf Dispositif de detection de reference pour tomodensitometre multidetecteur et tomodensitometre comportant un tel dispositif
US4458358A (en) * 1982-01-08 1984-07-03 Thomson-Csf Reference detector device for a multidetector tomodensitometer and tomodensitometer comprising such a device

Also Published As

Publication number Publication date
DE2716279C3 (de) 1981-10-08
ES457748A1 (es) 1978-02-16
AU508374B2 (en) 1980-03-20
DE2716279A1 (de) 1977-10-27
SE7704144L (sv) 1977-10-16
NL7703946A (nl) 1977-10-18
DE2716279B2 (de) 1981-02-05
BE853565A (fr) 1977-10-13
AU2417977A (en) 1978-10-19
FR2348485B1 (fr) 1978-08-25
GB1582377A (en) 1981-01-07
US4145610A (en) 1979-03-20
CA1075378A (fr) 1980-04-08
JPS52127090A (en) 1977-10-25

Similar Documents

Publication Publication Date Title
FR2348485A1 (fr) Perfectionnements aux procedes et appareils d'examen par absorption de rayonnement
BE856033A (fr) Procede et appareil de mesure de la distorsion d'intermodulation
JPS5345284A (en) Sterilization measuring apparatus and using method thereof
JPS5492386A (en) Method and device for visualizing radiation
IT1102004B (it) Apparato rivelatore d'uri
FR2304319A1 (fr) Procede et appareil de tomographie par rayons x
SE7812436L (sv) Forfarande och anordning for reducering av artifakter i datortomografibilder
FR2344836A1 (fr) Procede et appareil d'inspection de soudures par ultra-sons
HK42882A (en) Improvements in or relating to medical radiographic apparatus
FR2344832A1 (fr) Procede et appareil d'inspection des soudures
GB2005953B (en) Apparatus for use in tomography
GB2007938B (en) Apparatus for use in tomography
JPS52125391A (en) Radiographic examination method and apparatus
JPS52125390A (en) Radiographic examination method and apparatus
GB2007939B (en) Apparatus for use in tomography
GB1557924A (en) Irradiation apparatus and methods
GB2003267B (en) Apparatus for use in x-ray fluorescence analysis
IL57155A0 (en) Device for determining the radiation absorption distribution in a plane of examination
JPS5484988A (en) Radioactive xxray tube focus defining method and device
DK151606C (da) Roentgenundersoegelsesapparat
SE7903773L (sv) Anordning for bestemning av stralningsabsorptionsfordelningen i en tredimensionell undersokningszon
NO774526L (no) Fremgangsmaate og anordning for samling av fibere
FR2336665A1 (fr) Perfectionnements aux equipements et procedes de diagnostic par faisceau de neutrons
GB2005514B (en) Methods of and apparatus for examining objects by the use of radiation
JPS53123474A (en) Film irradiating method and apparatus

Legal Events

Date Code Title Description
ST Notification of lapse