CA1147069A - Ecran pour limiter la dose de rayons x appliques par un appareil a rayons x - Google Patents

Ecran pour limiter la dose de rayons x appliques par un appareil a rayons x

Info

Publication number
CA1147069A
CA1147069A CA000368740A CA368740A CA1147069A CA 1147069 A CA1147069 A CA 1147069A CA 000368740 A CA000368740 A CA 000368740A CA 368740 A CA368740 A CA 368740A CA 1147069 A CA1147069 A CA 1147069A
Authority
CA
Canada
Prior art keywords
shield
rays
cylinder
shield device
ray
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.)
Expired
Application number
CA000368740A
Other languages
English (en)
Inventor
Pierre Charrier
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CA000368740A priority Critical patent/CA1147069A/fr
Application granted granted Critical
Publication of CA1147069A publication Critical patent/CA1147069A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G21K1/04—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using variable diaphragms, shutters, choppers
    • 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
    • G21K1/04—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using variable diaphragms, shutters, choppers
    • G21K1/043—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using variable diaphragms, shutters, choppers changing time structure of beams by mechanical means, e.g. choppers, spinning filter wheels

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
CA000368740A 1981-01-16 1981-01-16 Ecran pour limiter la dose de rayons x appliques par un appareil a rayons x Expired CA1147069A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000368740A CA1147069A (fr) 1981-01-16 1981-01-16 Ecran pour limiter la dose de rayons x appliques par un appareil a rayons x

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000368740A CA1147069A (fr) 1981-01-16 1981-01-16 Ecran pour limiter la dose de rayons x appliques par un appareil a rayons x

Publications (1)

Publication Number Publication Date
CA1147069A true CA1147069A (fr) 1983-05-24

Family

ID=4118945

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000368740A Expired CA1147069A (fr) 1981-01-16 1981-01-16 Ecran pour limiter la dose de rayons x appliques par un appareil a rayons x

Country Status (1)

Country Link
CA (1) CA1147069A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0290165A1 (fr) * 1987-05-07 1988-11-09 Picker International, Inc. Appareil de radiographie
US4905268A (en) * 1985-10-25 1990-02-27 Picker International, Inc. Adjustable off-focal aperture for x-ray tubes
EP0373285A1 (fr) * 1988-12-16 1990-06-20 Siemens Aktiengesellschaft Diaphragme pour un appareil de diagnostic à rayons X

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4905268A (en) * 1985-10-25 1990-02-27 Picker International, Inc. Adjustable off-focal aperture for x-ray tubes
EP0290165A1 (fr) * 1987-05-07 1988-11-09 Picker International, Inc. Appareil de radiographie
EP0373285A1 (fr) * 1988-12-16 1990-06-20 Siemens Aktiengesellschaft Diaphragme pour un appareil de diagnostic à rayons X
US4947417A (en) * 1988-12-16 1990-08-07 The University Of Virginia Alumni Patents Foundation Adjusting arrangement for radio-diagnostic equipment

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Legal Events

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