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 (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.)
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/en
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 for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/02—Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computerised tomographs
    • A61B6/032—Transmission computed tomography [CT]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/40—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4007—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis characterised by using a plurality of source units
    • A61B6/4014—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with 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 for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/40—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4021—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot
    • A61B6/4028—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with 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 for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/42—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for detecting radiation specially adapted for radiation diagnosis
    • A61B6/4275—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with 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
FR7607826A 1975-03-20 1976-03-18 X-ray scanning system - with multiple detectors providing detailed absorption data for a body under examination Granted FR2304321A1 (en)

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 (en) 1976-10-15
FR2304321B1 true FR2304321B1 (en) 1979-08-31

Family

ID=26248353

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7607826A Granted FR2304321A1 (en) 1975-03-20 1976-03-18 X-ray scanning system - with multiple detectors providing detailed absorption data for a body under examination

Country Status (1)

Country Link
FR (1) FR2304321A1 (en)

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 (en) * 1976-01-07 1977-07-14 Philips Patentverwaltung ARRANGEMENT FOR DETERMINING THE ABSORPTION OF RADIATION
DE2605497A1 (en) * 1976-02-12 1977-08-18 Philips Patentverwaltung METHOD AND DEVICE FOR GENERATING CODED IMAGES WITH A MULTIPLE RADIATION SOURCE
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
DE2647167A1 (en) * 1976-10-19 1978-04-20 Siemens Ag PROCESS FOR THE PRODUCTION OF LAYERS WITH X-RAYS OR SIMILAR PENETRATING RAYS
DE2650237C2 (en) * 1976-11-02 1985-05-02 Siemens AG, 1000 Berlin und 8000 München X-ray diagnostic device for the production of transverse slice images
DE2658533A1 (en) * 1976-12-23 1978-06-29 Siemens Ag DEVICE FOR REPRESENTING LIGHTING BODY LAYER IMAGES
DE2712320A1 (en) * 1977-03-21 1978-09-28 Siemens Ag X-RAY DIAGNOSTIC DEVICE FOR X-RAY SLAT IMAGES
US4220863A (en) * 1977-04-01 1980-09-02 Ohio Nuclear, Inc. Data channel multiplexing system for CT scanner with rotating source
DE2714759C3 (en) * 1977-04-01 1981-03-26 Siemens AG, 1000 Berlin und 8000 München X-ray diagnostic device for the production of transverse slice images
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 (en) * 1978-05-02 1986-09-11 Philips Patentverwaltung Gmbh, 2000 Hamburg Arrangement for determining the absorption of X-rays in a three-dimensional examination area
FR2425836A1 (en) * 1978-05-16 1979-12-14 Radiologie Cie Gle SINGLE SLEEVE TOMOGRAPHIC APPARATUS CARRYING X-RAY TUBES AND DETECTORS
DE3503711A1 (en) * 1985-02-04 1986-08-14 Siemens AG, 1000 Berlin und 8000 München ARRANGEMENT FOR PRODUCING X-RAY IMAGES BY COMPUTER RADIOGRAPHY
EP1474040B1 (en) 2002-02-15 2007-10-24 Breakaway Imaging, Llc Gantry ring with detachable segment for multidimensional x-ray-imaging
EP1531727B8 (en) 2002-08-21 2010-08-11 Medtronic Navigation, Inc. Gantry positioning apparatus for x-ray imaging

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 (en) * 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 (en) 1976-10-15

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Legal Events

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