FR2304321B1 - - Google Patents

Info

Publication number
FR2304321B1
FR2304321B1 FR7607826A FR7607826A FR2304321B1 FR 2304321 B1 FR2304321 B1 FR 2304321B1 FR 7607826 A FR7607826 A FR 7607826A FR 7607826 A FR7607826 A FR 7607826A FR 2304321 B1 FR2304321 B1 FR 2304321B1
Authority
FR
France
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
FR7607826A
Other languages
French (fr)
Other versions
FR2304321A1 (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)
  • Theoretical Computer Science (AREA)
  • Pulmonology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Toxicology (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Apparatus For Radiation Diagnosis (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 FR2304321A1 (fr) 1976-10-15
FR2304321B1 true FR2304321B1 (enExample) 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 (enExample)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7661881B2 (en) 2002-03-19 2010-02-16 Medtronic Navigation, Inc. Systems and methods for imaging large field-of-view objects
US7903779B2 (en) 2002-08-21 2011-03-08 Medtronic Navigation, Inc. Apparatus and method for reconstruction of volumetric images in a divergent scanning computed tomography system
US7905659B2 (en) 2002-06-11 2011-03-15 Medtronic Navigation, Inc. Cantilevered gantry apparatus for x-ray imaging
US8746973B2 (en) 2002-03-13 2014-06-10 Medtronic Navigation, Inc. Systems and methods for quasi-simultaneous multi-planar x-ray imaging

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2600266A1 (de) * 1976-01-07 1977-07-14 Philips Patentverwaltung Anordnung zur ermittlung der absorption einer strahlung
DE2605497A1 (de) * 1976-02-12 1977-08-18 Philips Patentverwaltung Verfahren und vorrichtung zur erzeugung kodierter bilder mit einer mehrfachstrahlungsquelle
IL51490A (en) * 1976-05-06 1979-05-31 Gen Electric High speed tomography using multiple x-ray sources
IL51336A (en) * 1976-09-27 1980-06-30 American Science & Eng Inc Tomography scanning apparatus with rotaing radiant energy source and stationary detectors
DE2647167C2 (de) * 1976-10-19 1987-01-29 Siemens AG, 1000 Berlin und 8000 München Vorrichtung zur Herstellung von Schichtaufnahmen mit Röntgen- oder ähnlich durchdringenden Strahlen
DE2650237C2 (de) * 1976-11-02 1985-05-02 Siemens AG, 1000 Berlin und 8000 München Röntgendiagnostikgerät zur Herstellung von Transversalschichtbildern
DE2658533C2 (de) * 1976-12-23 1987-02-26 Siemens AG, 1000 Berlin und 8000 München Vorrichtung zur Darstellung von Körperlängsschichten
DE2712320A1 (de) * 1977-03-21 1978-09-28 Siemens Ag Roentgendiagnostikeinrichtung fuer roentgenschichtbilder
US4220863A (en) * 1977-04-01 1980-09-02 Ohio Nuclear, Inc. Data channel multiplexing system for CT scanner with rotating source
DE2714759C3 (de) * 1977-04-01 1981-03-26 Siemens AG, 1000 Berlin und 8000 München Röntgendiagnostikgerät zur Herstellung von Transversalschichtbildern
US4179100A (en) * 1977-08-01 1979-12-18 University Of Pittsburgh Radiography apparatus
US4239972A (en) * 1978-04-24 1980-12-16 U.S. Philips Corporation Device for computed tomography
US4196352A (en) * 1978-04-28 1980-04-01 General Electric Company Multiple purpose high speed tomographic x-ray scanner
DE2819237C2 (de) * 1978-05-02 1986-09-11 Philips Patentverwaltung Gmbh, 2000 Hamburg Anordnung zur Ermittlung der Absorption von Röntgenstrahlung in einem dreidimensionalen Untersuchungsbereich
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
DE3503711A1 (de) * 1985-02-04 1986-08-14 Siemens AG, 1000 Berlin und 8000 München Anordnung zum herstellen von roentgenbildern durch computer-radiographie
WO2003070101A1 (en) 2002-02-15 2003-08-28 Breakaway Imaging, Llc Gantry ring with detachable segment for multidimensional x-ray- imaging
ATE520351T1 (de) 2002-08-21 2011-09-15 Medtronic Navigation Inc Gerüstpositionierungsgerät für röntgengeräte

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1478121A (en) * 1973-07-21 1977-06-29 Emi Ltd Radiography
GB1468810A (en) * 1973-05-05 1977-03-30 Emi Ltd Radiography
JPS5444597B2 (enExample) * 1974-03-23 1979-12-26

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8746973B2 (en) 2002-03-13 2014-06-10 Medtronic Navigation, Inc. Systems and methods for quasi-simultaneous multi-planar x-ray imaging
US7661881B2 (en) 2002-03-19 2010-02-16 Medtronic Navigation, Inc. Systems and methods for imaging large field-of-view objects
US8678647B2 (en) 2002-03-19 2014-03-25 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
US7905659B2 (en) 2002-06-11 2011-03-15 Medtronic Navigation, Inc. Cantilevered gantry apparatus for x-ray imaging
US8308361B2 (en) 2002-06-11 2012-11-13 Medtronic Navigation, Inc. Cantilevered gantry apparatus for X-ray imaging
US7903779B2 (en) 2002-08-21 2011-03-08 Medtronic Navigation, Inc. Apparatus and method for reconstruction of volumetric images in a divergent scanning computed tomography system
US7965811B1 (en) 2002-08-21 2011-06-21 Medtronic Navigation, Inc. Apparatus and method for reconstruction of volumetric images in a divergent scanning computed tomography system

Also Published As

Publication number Publication date
FR2304321A1 (fr) 1976-10-15

Similar Documents

Publication Publication Date Title
FR2329572B1 (enExample)
FR2301288B1 (enExample)
CS169670B1 (enExample)
CS169690B1 (enExample)
CS172187B1 (enExample)
CS172211B1 (enExample)
CS174046B1 (enExample)
CS174042B1 (enExample)
CS173515B1 (enExample)
CH599976A5 (enExample)
CH606922A5 (enExample)
CH588380A5 (enExample)
CH590422A5 (enExample)
CH590430A5 (enExample)
CH590550A5 (enExample)
CH591012A5 (enExample)
CH591683A5 (enExample)
CH593077A5 (enExample)
CH594090A5 (enExample)
CH594266A5 (enExample)
CH595806A5 (enExample)
CH596358A5 (enExample)
CH598391A5 (enExample)
CH599693A5 (enExample)
CH586579A5 (enExample)

Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse