NL185752B - Computertomograaf. - Google Patents

Computertomograaf.

Info

Publication number
NL185752B
NL185752B NLAANVRAGE7702320,A NL7702320A NL185752B NL 185752 B NL185752 B NL 185752B NL 7702320 A NL7702320 A NL 7702320A NL 185752 B NL185752 B NL 185752B
Authority
NL
Netherlands
Prior art keywords
computer tomograph
tomograph
computer
Prior art date
Application number
NLAANVRAGE7702320,A
Other languages
English (en)
Other versions
NL185752C (nl
NL7702320A (nl
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 NL7702320A publication Critical patent/NL7702320A/nl
Publication of NL185752B publication Critical patent/NL185752B/nl
Application granted granted Critical
Publication of NL185752C publication Critical patent/NL185752C/nl

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)
NLAANVRAGE7702320,A 1976-03-03 1977-03-03 Computertomograaf. NL185752C (nl)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
NL7702320A NL7702320A (nl) 1977-09-06
NL185752B true NL185752B (nl) 1990-02-16
NL185752C NL185752C (nl) 1990-07-16

Family

ID=9852129

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7702320,A NL185752C (nl) 1976-03-03 1977-03-03 Computertomograaf.

Country Status (7)

Country Link
US (2) US4101768A (nl)
DE (1) DE2709600C2 (nl)
FR (1) FR2342707A1 (nl)
GB (1) GB1571509A (nl)
HK (2) HK37581A (nl)
MY (1) MY8200054A (nl)
NL (1) NL185752C (nl)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL51336A (en) * 1976-09-27 1980-06-30 American Science & Eng Inc Tomography scanning apparatus with rotaing radiant energy source and stationary detectors
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
AU522916B2 (en) * 1977-09-30 1982-07-01 Ohio Nuclear X-ray tomographic apparatus
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 (en) * 1982-01-12 1985-11-12 Bradley Fry Reconstruction system and methods for impedance imaging
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 (en) * 1988-04-22 2000-01-19 Analogic Corporation X-ray tomography apparatus having a position detector
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
ATE496291T1 (de) * 2002-10-02 2011-02-15 Reveal Imaging Technologies Inc Kompakter ct-scanner für gepäckstücke mit detektoranordnungen in unterschiedlichem abstand zur röntgenquelle
US7224765B2 (en) * 2002-10-02 2007-05-29 Reveal Imaging Technologies, Inc. Computed tomography system
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
EP2229101B1 (en) * 2007-12-12 2013-02-20 Koninklijke Philips Electronics N.V. Sleep position detection
EP2225550A2 (en) * 2007-12-19 2010-09-08 Koninklijke Philips Electronics N.V. A rotor and x-ray ct scanners
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

Also Published As

Publication number Publication date
FR2342707B1 (nl) 1981-10-02
MY8200054A (en) 1982-12-31
NL185752C (nl) 1990-07-16
HK37581A (en) 1981-08-07
US4101768A (en) 1978-07-18
NL7702320A (nl) 1977-09-06
FR2342707A1 (fr) 1977-09-30
HK37481A (en) 1981-08-07
GB1571509A (en) 1980-07-16
DE2709600C2 (de) 1985-06-27
DE2709600A1 (de) 1977-09-08
US4298799A (en) 1981-11-03

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
SNR Assignments of patents or rights arising from examined patent applications

Owner name: THORN EMI PATENTS LIMITED

V1 Lapsed because of non-payment of the annual fee

Effective date: 19951001