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FR2304321A1 - Appareil de tomographie a multiples detecteurs - Google Patents

Appareil de tomographie a multiples detecteurs

Info

Publication number
FR2304321A1
FR2304321A1 FR7607826A FR7607826A FR2304321A1 FR 2304321 A1 FR2304321 A1 FR 2304321A1 FR 7607826 A FR7607826 A FR 7607826A FR 7607826 A FR7607826 A FR 7607826A FR 2304321 A1 FR2304321 A1 FR 2304321A1
Authority
FR
France
Prior art keywords
radiation
detectors
scanning system
body under
under examination
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
FR7607826A
Other languages
English (en)
Other versions
FR2304321B1 (fr
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.)
EMI Ltd
Original Assignee
EMI Ltd
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
Priority claimed from GB2648575A external-priority patent/GB1540583A/en
Application filed by EMI Ltd filed Critical EMI Ltd
Publication of FR2304321A1 publication Critical patent/FR2304321A1/fr
Application granted granted Critical
Publication of FR2304321B1 publication Critical patent/FR2304321B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/06—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption
    • G01N23/083—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption the radiation being X-rays
    • 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
    • A61B6/4007—Arrangements for generating radiation specially adapted for radiation diagnosis characterised by using a plurality of source units
    • A61B6/4014—Arrangements for generating radiation specially adapted for radiation diagnosis characterised by using a plurality of source units arranged in multiple source-detector units
    • 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
    • A61B6/4021—Arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot
    • A61B6/4028—Arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot resulting in acquisition of views from substantially different positions, e.g. EBCT
    • 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
    • A61B6/4275—Arrangements for detecting radiation specially adapted for radiation diagnosis using a detector unit almost surrounding the patient, e.g. more than 180°
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16—Measuring radiation intensity
    • G01T1/20—Measuring radiation intensity with scintillation detectors
    • G01T1/2002—Optical details, e.g. reflecting or diffusing layers

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Optics & Photonics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Toxicology (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
FR7607826A 1975-03-20 1976-03-18 Appareil de tomographie a multiples detecteurs Granted FR2304321A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1155375 1975-03-20
GB2648575A GB1540583A (en) 1975-03-12 1975-06-21 Radiography

Publications (2)

Publication Number Publication Date
FR2304321A1 true FR2304321A1 (fr) 1976-10-15
FR2304321B1 FR2304321B1 (fr) 1979-08-31

Family

ID=26248353

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7607826A Granted FR2304321A1 (fr) 1975-03-20 1976-03-18 Appareil de tomographie a multiples detecteurs

Country Status (1)

Country Link
FR (1) FR2304321A1 (fr)

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2337884A1 (fr) * 1976-01-07 1977-08-05 Philips Nv Dispositif pour mesurer des differences de degre d'absorption
FR2341149A1 (fr) * 1976-02-12 1977-09-09 Philips Nv Procede et dispositif pour engendrer des images codees a l'aide de plusieurs faisceaux de rayonnement
FR2350613A1 (fr) * 1976-05-06 1977-12-02 Gen Electric Systeme rapide de tomographie a rayons x
FR2365329A1 (fr) * 1976-09-27 1978-04-21 American Science & Eng Inc Appareil de balayage tomographique
FR2368259A1 (fr) * 1976-10-19 1978-05-19 Siemens Ag Procede pour realiser des tomographies a l'aide de rayons x ou de rayons penetrant analogues
FR2368930A1 (fr) * 1976-11-02 1978-05-26 Siemens Ag Appareil de radiodiagnostic pour la realisation de tomographies transversales
FR2374885A2 (fr) * 1976-12-23 1978-07-21 Siemens Ag Procede pour realiser des tomographies a l'aide de rayons x ou de rayons penetrants analogues
FR2384480A1 (fr) * 1977-03-21 1978-10-20 Siemens Ag Appareil de radiodiagnostic pour la realisation de tomographies
FR2386197A1 (fr) * 1977-04-01 1978-10-27 Ohio Nuclear Circuit de multiplexage pour appareil de tomographie transaxiale
FR2385374A1 (fr) * 1977-04-01 1978-10-27 Siemens Ag Appareil de radiodiagnostic pour la realisation de tomographies transversales
FR2424017A1 (fr) * 1978-04-28 1979-11-23 Gen Electric Systeme d'analyse tomographique par rayons x
FR2424549A1 (fr) * 1978-04-24 1979-11-23 Philips Nv Dispositif pour examiner un objet a l'aide d'un rayonnement penetrant dans cet objet, et application notamment a la tomographie
EP0005666A1 (fr) * 1978-05-16 1979-11-28 Thomson-Csf Appareil tomographique à gaine unique
FR2425083A1 (fr) * 1978-05-02 1979-11-30 Philips Nv Dispositif pour definir la repartition d'absorption de rayonnement dans une region d'examen tridimensionnelle
FR2471178A1 (fr) * 1977-08-01 1981-06-19 Univ Pittsburgh Appareil de radiographie
EP0191322A1 (fr) * 1985-02-04 1986-08-20 Siemens Aktiengesellschaft Dispositif pour la reproduction d'une image rayons X au moyen de radiographie par ordinateur
WO2003081220A3 (fr) * 2002-03-19 2004-04-01 Breakaway Imaging Llc Systemes et procedes d'imagerie pour des objets a angle de champ etendu
US6940941B2 (en) 2002-02-15 2005-09-06 Breakaway Imaging, Llc Breakable gantry apparatus for multidimensional x-ray based imaging
US7001045B2 (en) 2002-06-11 2006-02-21 Breakaway Imaging, Llc Cantilevered gantry apparatus for x-ray imaging
US7106825B2 (en) 2002-08-21 2006-09-12 Breakaway Imaging, Llc Apparatus and method for reconstruction of volumetric images in a divergent scanning computed tomography system
US7188998B2 (en) 2002-03-13 2007-03-13 Breakaway Imaging, Llc Systems and methods for quasi-simultaneous multi-planar x-ray imaging
US7338207B2 (en) 2002-08-21 2008-03-04 Medtronic Navigation, Inc. Gantry positioning apparatus for X-ray imaging

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2422008A1 (de) * 1973-05-05 1974-11-21 Emi Ltd Radiographisches geraet
FR2237607A1 (fr) * 1973-07-21 1975-02-14 Emi Ltd
FR2264516A1 (en) * 1974-03-23 1975-10-17 Emi Ltd Radiographic examination unit - uses predicted signals from various ray receivers to counteract discrepancies in sensitivity

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2422008A1 (de) * 1973-05-05 1974-11-21 Emi Ltd Radiographisches geraet
FR2237607A1 (fr) * 1973-07-21 1975-02-14 Emi Ltd
FR2264516A1 (en) * 1974-03-23 1975-10-17 Emi Ltd Radiographic examination unit - uses predicted signals from various ray receivers to counteract discrepancies in sensitivity

Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2337884A1 (fr) * 1976-01-07 1977-08-05 Philips Nv Dispositif pour mesurer des differences de degre d'absorption
FR2341149A1 (fr) * 1976-02-12 1977-09-09 Philips Nv Procede et dispositif pour engendrer des images codees a l'aide de plusieurs faisceaux de rayonnement
FR2350613A1 (fr) * 1976-05-06 1977-12-02 Gen Electric Systeme rapide de tomographie a rayons x
FR2365329A1 (fr) * 1976-09-27 1978-04-21 American Science & Eng Inc Appareil de balayage tomographique
FR2368259A1 (fr) * 1976-10-19 1978-05-19 Siemens Ag Procede pour realiser des tomographies a l'aide de rayons x ou de rayons penetrant analogues
FR2368930A1 (fr) * 1976-11-02 1978-05-26 Siemens Ag Appareil de radiodiagnostic pour la realisation de tomographies transversales
FR2374885A2 (fr) * 1976-12-23 1978-07-21 Siemens Ag Procede pour realiser des tomographies a l'aide de rayons x ou de rayons penetrants analogues
FR2384480A1 (fr) * 1977-03-21 1978-10-20 Siemens Ag Appareil de radiodiagnostic pour la realisation de tomographies
FR2386197A1 (fr) * 1977-04-01 1978-10-27 Ohio Nuclear Circuit de multiplexage pour appareil de tomographie transaxiale
FR2385374A1 (fr) * 1977-04-01 1978-10-27 Siemens Ag Appareil de radiodiagnostic pour la realisation de tomographies transversales
FR2471178A1 (fr) * 1977-08-01 1981-06-19 Univ Pittsburgh Appareil de radiographie
FR2424549A1 (fr) * 1978-04-24 1979-11-23 Philips Nv Dispositif pour examiner un objet a l'aide d'un rayonnement penetrant dans cet objet, et application notamment a la tomographie
FR2424017A1 (fr) * 1978-04-28 1979-11-23 Gen Electric Systeme d'analyse tomographique par rayons x
FR2425083A1 (fr) * 1978-05-02 1979-11-30 Philips Nv Dispositif pour definir la repartition d'absorption de rayonnement dans une region d'examen tridimensionnelle
FR2425836A1 (fr) * 1978-05-16 1979-12-14 Radiologie Cie Gle Appareil tomographique a gaine unique porteuse de tubes a rayons x et de detecteurs
EP0005666A1 (fr) * 1978-05-16 1979-11-28 Thomson-Csf Appareil tomographique à gaine unique
EP0191322A1 (fr) * 1985-02-04 1986-08-20 Siemens Aktiengesellschaft Dispositif pour la reproduction d'une image rayons X au moyen de radiographie par ordinateur
US6940941B2 (en) 2002-02-15 2005-09-06 Breakaway Imaging, Llc Breakable gantry apparatus for multidimensional x-ray based imaging
US7188998B2 (en) 2002-03-13 2007-03-13 Breakaway Imaging, Llc Systems and methods for quasi-simultaneous multi-planar x-ray imaging
US7108421B2 (en) 2002-03-19 2006-09-19 Breakaway Imaging, Llc Systems and methods for imaging large field-of-view objects
WO2003081220A3 (fr) * 2002-03-19 2004-04-01 Breakaway Imaging Llc Systemes et procedes d'imagerie pour des objets a angle de champ etendu
EP2345370A3 (fr) * 2002-03-19 2012-05-09 Breakaway Imaging, Llc Tomographie informatique avec détecteur suivant le mouvement d'une source à rayons x pivotable
US9398886B2 (en) 2002-03-19 2016-07-26 Medtronic Navigation, Inc. Systems and methods for imaging large field-of-view objects
US9724058B2 (en) 2002-03-19 2017-08-08 Medtronic Navigation, Inc. Systems and methods for imaging large field-of-view objects
USRE49349E1 (en) 2002-03-19 2022-12-27 Medtronic Navigation, Inc. Systems and methods for imaging large field-of-view objects
US7001045B2 (en) 2002-06-11 2006-02-21 Breakaway Imaging, Llc Cantilevered gantry apparatus for x-ray imaging
US7106825B2 (en) 2002-08-21 2006-09-12 Breakaway Imaging, Llc Apparatus and method for reconstruction of volumetric images in a divergent scanning computed tomography system
US7338207B2 (en) 2002-08-21 2008-03-04 Medtronic Navigation, Inc. Gantry positioning apparatus for X-ray imaging
US7490982B2 (en) 2002-08-21 2009-02-17 Medtronic Navigation, Inc. Gantry positioning apparatus for x-ray imaging

Also Published As

Publication number Publication date
FR2304321B1 (fr) 1979-08-31

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Legal Events

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TP Transmission of property
ST Notification of lapse