FR2342707A1 - Appareil de tomographie axiale - Google Patents

Appareil de tomographie axiale

Info

Publication number
FR2342707A1
FR2342707A1 FR7706282A FR7706282A FR2342707A1 FR 2342707 A1 FR2342707 A1 FR 2342707A1 FR 7706282 A FR7706282 A FR 7706282A FR 7706282 A FR7706282 A FR 7706282A FR 2342707 A1 FR2342707 A1 FR 2342707A1
Authority
FR
France
Prior art keywords
tomography device
axial tomography
axial
tomography
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
FR7706282A
Other languages
English (en)
Other versions
FR2342707B1 (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
Application filed by EMI Ltd filed Critical EMI Ltd
Publication of FR2342707A1 publication Critical patent/FR2342707A1/fr
Application granted granted Critical
Publication of FR2342707B1 publication Critical patent/FR2342707B1/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
    • A61B6/42—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°
    • 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]

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (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)
  • Apparatus For Radiation Diagnosis (AREA)
  • Measurement Of Radiation (AREA)
FR7706282A 1976-03-03 1977-03-03 Appareil de tomographie axiale Granted FR2342707A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8417/76A GB1571509A (en) 1976-03-03 1976-03-03 Radiography

Publications (2)

Publication Number Publication Date
FR2342707A1 true FR2342707A1 (fr) 1977-09-30
FR2342707B1 FR2342707B1 (fr) 1981-10-02

Family

ID=9852129

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7706282A Granted FR2342707A1 (fr) 1976-03-03 1977-03-03 Appareil de tomographie axiale

Country Status (7)

Country Link
US (2) US4101768A (fr)
DE (1) DE2709600C2 (fr)
FR (1) FR2342707A1 (fr)
GB (1) GB1571509A (fr)
HK (2) HK37481A (fr)
MY (1) MY8200054A (fr)
NL (1) NL185752C (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2365329A1 (fr) * 1976-09-27 1978-04-21 American Science & Eng Inc Appareil de balayage tomographique
FR2433927A1 (fr) * 1977-09-30 1980-03-21 Ohio Nuclear Appareil de tomographie radiographique et procede de reconstitution d'images

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2723401A1 (de) * 1977-05-24 1978-12-07 Siemens Ag Schichtgeraet zur herstellung von transversalschichtbildern
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
GB1576286A (en) * 1977-07-12 1980-10-08 Emi Ltd Radiograhy
US4583241A (en) * 1977-09-30 1986-04-15 Technicare Corporation X-ray tomographic apparatus
DE2756659A1 (de) * 1977-12-19 1979-06-21 Philips Patentverwaltung Anordnung zur bestimmung der absorptionsverteilung
GB1602072A (en) * 1978-05-12 1981-11-04 Emi Ltd Processing arrangements for constructing representations of parts of bodies
GB1602071A (en) * 1978-05-12 1981-11-04 Emi Ltd Processing arrangements for medical examination
US4304999A (en) * 1979-01-02 1981-12-08 Technicare Corporation Eccentric source collimator assembly for rotating source CT scanner
JPS5599087A (en) * 1979-01-23 1980-07-28 Shimadzu Corp Emission type tomography
CA1196691A (fr) * 1982-01-12 1985-11-12 Bradley Fry Systeme et methodes de reconstruction pour imagerie a impedance
US4559639A (en) * 1982-11-22 1985-12-17 General Electric Company X-Ray detector with compensation for height-dependent sensitivity and method of using same
US4577222A (en) * 1982-11-26 1986-03-18 Thomson-Csf Broadcast, Inc. Apparatus and method for cross sectional imaging of a body
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
US4787098A (en) * 1987-04-10 1988-11-22 Kabushiki Kaisha Toshiba Method for obtaining calibrated tomographic image data to correct for collimator width differences
EP0365660B2 (fr) * 1988-04-22 2000-01-19 Analogic Corporation Appareil de tomographie par rayon x ayant un detecteur de position
JPH062131B2 (ja) * 1988-06-03 1994-01-12 株式会社東芝 Ｘ線ｃｔスキヤナ
US5416816A (en) * 1994-01-27 1995-05-16 Boston Test Tool Company Calibration template for computed radiography
US5912938A (en) * 1996-10-07 1999-06-15 Analogic Corporation Tomography system having detectors optimized for parallel beam image reconstruction
US6175609B1 (en) * 1999-04-20 2001-01-16 General Electric Company Methods and apparatus for scanning an object in a computed tomography system
US7224765B2 (en) * 2002-10-02 2007-05-29 Reveal Imaging Technologies, Inc. Computed tomography system
CA2500642A1 (fr) * 2002-10-02 2004-04-15 Reveal Imaging Technologies, Inc. Tomodensitometre a reseau replie pour bagages
US7039154B1 (en) * 2003-10-02 2006-05-02 Reveal Imaging Technologies, Inc. Folded array CT baggage scanner
US7242749B2 (en) * 2005-11-15 2007-07-10 General Electric Company Methods and systems for dynamic pitch helical scanning
WO2009074955A1 (fr) * 2007-12-12 2009-06-18 Koninklijke Philips Electronics N.V. Détection de la position de sommeil
WO2009081327A2 (fr) * 2007-12-19 2009-07-02 Koninklijke Philips Electronics N.V. Rotor et scanners de tomodensitométrie à rayons x
US20100246753A1 (en) * 2009-03-25 2010-09-30 Varian Medical Systems, Inc. Fourth Generation Computed Tomography Scanner

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1542204A (en) * 1922-12-27 1925-06-16 Akerlund Ake Olof Screen for rontgen-ray examination
US4035647A (en) * 1972-05-17 1977-07-12 E M I Limited Radiography
DE2442809A1 (de) * 1974-09-06 1976-03-18 Philips Patentverwaltung Anordnung zur ermittlung der absorption in einem koerper
GB1546076A (en) * 1975-06-10 1979-05-16 Emi Ltd Radiography

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2365329A1 (fr) * 1976-09-27 1978-04-21 American Science & Eng Inc Appareil de balayage tomographique
FR2433927A1 (fr) * 1977-09-30 1980-03-21 Ohio Nuclear Appareil de tomographie radiographique et procede de reconstitution d'images

Also Published As

Publication number Publication date
GB1571509A (en) 1980-07-16
US4101768A (en) 1978-07-18
HK37581A (en) 1981-08-07
NL185752B (nl) 1990-02-16
US4298799A (en) 1981-11-03
NL7702320A (nl) 1977-09-06
FR2342707B1 (fr) 1981-10-02
MY8200054A (en) 1982-12-31
DE2709600C2 (de) 1985-06-27
DE2709600A1 (de) 1977-09-08
NL185752C (nl) 1990-07-16
HK37481A (en) 1981-08-07

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Legal Events

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