CN1013531B - 狭缝射线照像设备 - Google Patents

狭缝射线照像设备

Info

Publication number
CN1013531B
CN1013531B CN88106469.6A CN88106469A CN1013531B CN 1013531 B CN1013531 B CN 1013531B CN 88106469 A CN88106469 A CN 88106469A CN 1013531 B CN1013531 B CN 1013531B
Authority
CN
China
Prior art keywords
radiation
slit
equipment according
absorption
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
CN88106469.6A
Other languages
English (en)
Chinese (zh)
Other versions
CN1032613A (zh
Inventor
雨果·弗拉斯布罗姆
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.)
Optische Industrie de Oude Delft NV
Original Assignee
Optische Industrie de Oude Delft 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 Optische Industrie de Oude Delft NV filed Critical Optische Industrie de Oude Delft NV
Publication of CN1032613A publication Critical patent/CN1032613A/zh
Publication of CN1013531B publication Critical patent/CN1013531B/zh
Expired legal-status Critical Current

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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
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21K—HANDLING OF 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
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21K—HANDLING OF 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
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21K—HANDLING OF 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
    • G21K1/10—Scattering devices; Absorbing devices; Ionising radiation filters

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (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)
  • X-Ray Techniques (AREA)
CN88106469.6A 1987-09-07 1988-09-06 狭缝射线照像设备 Expired CN1013531B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8702113 1987-09-07
NL8702113A NL8702113A (nl) 1987-09-07 1987-09-07 Inrichting voor spleetradiografie.

Publications (2)

Publication Number Publication Date
CN1032613A CN1032613A (zh) 1989-04-26
CN1013531B true CN1013531B (zh) 1991-08-14

Family

ID=19850565

Family Applications (1)

Application Number Title Priority Date Filing Date
CN88106469.6A Expired CN1013531B (zh) 1987-09-07 1988-09-06 狭缝射线照像设备

Country Status (9)

Country Link
US (1) US5058149A (enExample)
EP (1) EP0377622B1 (enExample)
JP (1) JPH03500576A (enExample)
CN (1) CN1013531B (enExample)
DE (1) DE3881892T2 (enExample)
IL (1) IL87603A (enExample)
IN (1) IN170032B (enExample)
NL (1) NL8702113A (enExample)
WO (1) WO1989002645A1 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2931983B2 (ja) * 1989-06-30 1999-08-09 ジーイー横河メディカルシステム株式会社 放射線治療システム
NL8902117A (nl) * 1989-08-22 1991-03-18 Optische Ind De Oude Delft Nv Inrichting voor spleetradiografie.
NL9000250A (nl) * 1990-02-01 1991-09-02 Optische Ind De Oude Delft Nv Inrichting voor spleetradiografie.
US5107529A (en) * 1990-10-03 1992-04-21 Thomas Jefferson University Radiographic equalization apparatus and method
DE9409376U1 (de) * 1994-06-09 1995-10-12 Siemens AG, 80333 München Zweidimensionale Strahlenschwächungsvorrichtung
EP1193721A3 (en) * 2000-09-28 2004-06-30 Fuji Photo Film Co., Ltd. Scattered ray absorption grid
JP2007335849A (ja) * 2006-05-17 2007-12-27 Canon Inc 遮光装置および露光装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2485790A1 (fr) * 1980-06-24 1981-12-31 Radiologie Cie Gle Systeme de filtration, a effet modulable a distance et appareil de radiologie comportant un tel systeme
US4497062A (en) * 1983-06-06 1985-01-29 Wisconsin Alumni Research Foundation Digitally controlled X-ray beam attenuation method and apparatus
NL8400845A (nl) * 1984-03-16 1985-10-16 Optische Ind De Oude Delft Nv Inrichting voor spleetradiografie.
NL8500244A (nl) * 1985-01-29 1986-08-18 Optische Ind De Oude Delft Nv Inrichting voor spleetradiografie.
NL8503151A (nl) * 1985-11-15 1987-06-01 Optische Ind De Oude Delft Nv Piezo-elektrisch verzwakkingstongenstelsel voor een inrichting voor spleetradiografie.

Also Published As

Publication number Publication date
IL87603A0 (en) 1989-01-31
WO1989002645A1 (en) 1989-03-23
JPH03500576A (ja) 1991-02-07
EP0377622A1 (en) 1990-07-18
DE3881892D1 (de) 1993-07-22
NL8702113A (nl) 1989-04-03
US5058149A (en) 1991-10-15
DE3881892T2 (de) 1993-11-11
EP0377622B1 (en) 1993-06-16
IN170032B (enExample) 1992-02-01
CN1032613A (zh) 1989-04-26
IL87603A (en) 1992-05-25

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GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee