JPH0411690Y2 - - Google Patents

Info

Publication number
JPH0411690Y2
JPH0411690Y2 JP1985182787U JP18278785U JPH0411690Y2 JP H0411690 Y2 JPH0411690 Y2 JP H0411690Y2 JP 1985182787 U JP1985182787 U JP 1985182787U JP 18278785 U JP18278785 U JP 18278785U JP H0411690 Y2 JPH0411690 Y2 JP H0411690Y2
Authority
JP
Japan
Prior art keywords
diaphragm
plates
ray
edges
aperture
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
JP1985182787U
Other languages
English (en)
Japanese (ja)
Other versions
JPS61100406U (en]
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 filed Critical
Publication of JPS61100406U publication Critical patent/JPS61100406U/ja
Application granted granted Critical
Publication of JPH0411690Y2 publication Critical patent/JPH0411690Y2/ja
Expired 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
    • A61B6/06—Diaphragms
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/005—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

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Optics & Photonics (AREA)
  • Medical Informatics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • General Engineering & Computer Science (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • General Physics & Mathematics (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
JP1985182787U 1984-12-03 1985-11-27 Expired JPH0411690Y2 (en])

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3444058 1984-12-03

Publications (2)

Publication Number Publication Date
JPS61100406U JPS61100406U (en]) 1986-06-26
JPH0411690Y2 true JPH0411690Y2 (en]) 1992-03-24

Family

ID=6251774

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985182787U Expired JPH0411690Y2 (en]) 1984-12-03 1985-11-27

Country Status (4)

Country Link
US (1) US4752947A (en])
EP (1) EP0184695B1 (en])
JP (1) JPH0411690Y2 (en])
DE (1) DE3568133D1 (en])

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2521673B2 (ja) * 1986-09-24 1996-08-07 株式会社東芝 Ｘ線可動絞り装置
DE8711572U1 (de) * 1987-08-26 1988-12-22 Siemens AG, 1000 Berlin und 8000 München Primärstrahlenblende für Röntgendiagnostikgeräte
EP0319885B1 (de) * 1987-12-11 1994-11-02 Varian International AG. Therapiesimulator
WO1996015723A1 (en) * 1994-11-21 1996-05-30 Philips Electronics N.V. X-ray examination apparatus comprising a beam diaphragm
DE19608862A1 (de) * 1996-03-07 1997-09-11 Philips Patentverwaltung Röntgenuntersuchungsgerät mit einem Röntgenstrahler und einer damit verbundenen Blendeneinheit
US5991362A (en) * 1996-11-15 1999-11-23 Xre Corporation Adjustable opening X-ray mask
CN1603946A (zh) * 2003-09-29 2005-04-06 Ge医疗系统环球技术有限公司 X射线光阑、x射线辐照器及x射线装置
CN100538496C (zh) * 2004-10-15 2009-09-09 Ge医疗系统环球技术有限公司 光束光阑和x-射线成像装置
US9008267B2 (en) * 2009-02-10 2015-04-14 Koninklijke Philips N.V. Medical viewing system for displaying an X-ray image
JP6308714B2 (ja) 2012-08-28 2018-04-11 キヤノン株式会社 放射線発生管および該放射線発生管を備えた放射線発生装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1800879C3 (de) * 1968-10-03 1974-01-10 Siemens Ag, 1000 Berlin U. 8000 Muenchen Primärstrahlenblende für Röntgenuntersuchungsgeräte
US3980407A (en) * 1975-01-17 1976-09-14 Electromask, Inc. Shutter plate movement
US3937966A (en) * 1975-02-19 1976-02-10 The United States Of America As Represented By The United States Energy Research And Development Administration Accelerator beam profile analyzer
DE2842659C2 (de) * 1978-09-29 1981-09-17 Siemens AG, 1000 Berlin und 8000 München Röntgenzielgerät
US4463266A (en) * 1981-02-20 1984-07-31 Instrument Ab Scanditronix Neutron collimator
US4489426A (en) * 1981-12-23 1984-12-18 General Electric Company Collimator with adjustable aperture
FR2524655B1 (fr) * 1982-04-02 1985-10-18 Cgr Mev Bloc limiteur partiel d'un faisceau de rayonnement et collimateur comportant de tels blocs
DE3500812A1 (de) * 1985-01-11 1986-07-17 Siemens AG, 1000 Berlin und 8000 München Roentgendiagnostikeinrichtung mit halbtransparenter blende

Also Published As

Publication number Publication date
DE3568133D1 (en) 1989-03-16
US4752947A (en) 1988-06-21
EP0184695A1 (de) 1986-06-18
EP0184695B1 (de) 1989-02-08
JPS61100406U (en]) 1986-06-26

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