NL7906634A - Inrichting voor het bepalen van lokale absorptie- verschillen in een objekt. - Google Patents

Inrichting voor het bepalen van lokale absorptie- verschillen in een objekt. Download PDF

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Publication number
NL7906634A
NL7906634A NL7906634A NL7906634A NL7906634A NL 7906634 A NL7906634 A NL 7906634A NL 7906634 A NL7906634 A NL 7906634A NL 7906634 A NL7906634 A NL 7906634A NL 7906634 A NL7906634 A NL 7906634A
Authority
NL
Netherlands
Prior art keywords
ray
elements
ray source
detector
collimator
Prior art date
Application number
NL7906634A
Other languages
English (en)
Dutch (nl)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Priority to NL7906634A priority Critical patent/NL7906634A/nl
Priority to EP80200812A priority patent/EP0025248B1/en
Priority to DE8080200812T priority patent/DE3065617D1/de
Priority to CA000359460A priority patent/CA1151778A/en
Priority to ES494739A priority patent/ES8104906A1/es
Priority to JP12184580A priority patent/JPS5645642A/ja
Publication of NL7906634A publication Critical patent/NL7906634A/nl
Priority to US06/388,828 priority patent/US4457009A/en

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
    • A61B6/02—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
    • A61B6/06—Diaphragms
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K1/00—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
    • G21K1/02—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators
    • G21K1/025—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using multiple collimators, e.g. Bucky screens; other devices for eliminating undesired or dispersed radiation
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Molecular Biology (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biophysics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Measurement Of Radiation (AREA)
NL7906634A 1979-09-05 1979-09-05 Inrichting voor het bepalen van lokale absorptie- verschillen in een objekt. NL7906634A (nl)

Priority Applications (7)

Application Number Priority Date Filing Date Title
NL7906634A NL7906634A (nl) 1979-09-05 1979-09-05 Inrichting voor het bepalen van lokale absorptie- verschillen in een objekt.
EP80200812A EP0025248B1 (en) 1979-09-05 1980-08-29 Device for determining local absorption differences in an object
DE8080200812T DE3065617D1 (en) 1979-09-05 1980-08-29 Device for determining local absorption differences in an object
CA000359460A CA1151778A (en) 1979-09-05 1980-09-02 Device for determining local absorption differences in an object
ES494739A ES8104906A1 (es) 1979-09-05 1980-09-03 Un dispositivo para determinar diferencias de absorcion lo- cales en una seccion de un objeto
JP12184580A JPS5645642A (en) 1979-09-05 1980-09-04 Measuring apparatus of local irradiation absorption differential of body
US06/388,828 US4457009A (en) 1979-09-05 1982-06-16 Device for determining local absorption differences in an object

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL7906634A NL7906634A (nl) 1979-09-05 1979-09-05 Inrichting voor het bepalen van lokale absorptie- verschillen in een objekt.
NL7906634 1979-09-05

Publications (1)

Publication Number Publication Date
NL7906634A true NL7906634A (nl) 1981-03-09

Family

ID=19833786

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7906634A NL7906634A (nl) 1979-09-05 1979-09-05 Inrichting voor het bepalen van lokale absorptie- verschillen in een objekt.

Country Status (7)

Country Link
US (1) US4457009A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0025248B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5645642A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1151778A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3065617D1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES8104906A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL7906634A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5983077A (ja) * 1982-11-02 1984-05-14 Yokogawa Hokushin Electric Corp Ｘ線検出器
JPS59112813A (ja) * 1982-12-17 1984-06-29 Ishigaki Kiko Kk 濾布走行式フイルタプレス
US4672648A (en) * 1985-10-25 1987-06-09 Picker International, Inc. Apparatus and method for radiation attenuation
DE8704182U1 (de) * 1987-03-20 1987-07-09 Siemens AG, 1000 Berlin und 8000 München Computertomograph
WO1996005904A1 (fr) * 1994-08-23 1996-02-29 Ishigaki Mechanical Industry Co., Ltd. Appareil de suspension pour le tissu filtrant d'un filtre-presse
DK175850B1 (da) * 2001-04-24 2005-03-29 Force Technology System og fremgangsmåde til måling af lagtykkelser af et flerlagsrör
DE102004019972A1 (de) * 2004-04-23 2005-11-17 Siemens Ag Detektormodul zur Erfassung von Röntgenstrahlung

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE964017C (de) * 1952-12-07 1957-05-16 Robert Janker Dr Blendenvorrichtung mit jeweils um ihre Laengsachse drehbaren Lamellen fuer Bildschichten bei Roentgengeraeten
US4051379A (en) * 1975-11-28 1977-09-27 Artronix, Inc. Axial tomographic apparatus and detector
GB1583868A (en) * 1976-08-28 1981-02-04 Emi Ltd Radiography
US4096391A (en) * 1976-10-15 1978-06-20 The Board Of Trustees Of The University Of Alabama Method and apparatus for reduction of scatter in diagnostic radiology
US4093863A (en) * 1977-03-03 1978-06-06 Artronix, Inc. Tomographic apparatus
US4277684A (en) * 1977-08-18 1981-07-07 U.S. Philips Corporation X-Ray collimator, particularly for use in computerized axial tomography apparatus
JPS5484989A (en) * 1977-11-02 1979-07-06 American Science & Eng Inc Ct *computer tomography*
US4180737A (en) * 1978-02-06 1979-12-25 General Electric Company X-ray detector

Also Published As

Publication number Publication date
CA1151778A (en) 1983-08-09
EP0025248A1 (en) 1981-03-18
JPS5645642A (en) 1981-04-25
ES494739A0 (es) 1981-05-16
JPS6316128B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-04-07
EP0025248B1 (en) 1983-11-16
DE3065617D1 (en) 1983-12-22
US4457009A (en) 1984-06-26
ES8104906A1 (es) 1981-05-16

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