DE3311870C2 - - Google Patents

Info

Publication number
DE3311870C2
DE3311870C2 DE3311870A DE3311870A DE3311870C2 DE 3311870 C2 DE3311870 C2 DE 3311870C2 DE 3311870 A DE3311870 A DE 3311870A DE 3311870 A DE3311870 A DE 3311870A DE 3311870 C2 DE3311870 C2 DE 3311870C2
Authority
DE
Germany
Prior art keywords
blocks
block
boundary
displacement
limiting
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 - Lifetime
Application number
DE3311870A
Other languages
German (de)
English (en)
Other versions
DE3311870A1 (de
Inventor
Jacques Clamart Fr Milcamps
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.)
Cgr-Mev Buc Fr
Original Assignee
Cgr-Mev Buc Fr
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 Cgr-Mev Buc Fr filed Critical Cgr-Mev Buc Fr
Publication of DE3311870A1 publication Critical patent/DE3311870A1/de
Application granted granted Critical
Publication of DE3311870C2 publication Critical patent/DE3311870C2/de
Granted 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

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)
  • Radiation-Therapy Devices (AREA)
  • Nuclear Medicine (AREA)
DE19833311870 1982-04-02 1983-03-31 Begrenzungsblock zur teilweisen begrenzung eines strahlungsbuendels und mit derartigen begrenzungsbloecken ausgeruesteter kollimator Granted DE3311870A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8205785A FR2524655B1 (fr) 1982-04-02 1982-04-02 Bloc limiteur partiel d'un faisceau de rayonnement et collimateur comportant de tels blocs

Publications (2)

Publication Number Publication Date
DE3311870A1 DE3311870A1 (de) 1983-10-06
DE3311870C2 true DE3311870C2 (US20080293856A1-20081127-C00150.png) 1993-01-07

Family

ID=9272708

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19833311870 Granted DE3311870A1 (de) 1982-04-02 1983-03-31 Begrenzungsblock zur teilweisen begrenzung eines strahlungsbuendels und mit derartigen begrenzungsbloecken ausgeruesteter kollimator

Country Status (3)

Country Link
US (1) US4534052A (US20080293856A1-20081127-C00150.png)
DE (1) DE3311870A1 (US20080293856A1-20081127-C00150.png)
FR (1) FR2524655B1 (US20080293856A1-20081127-C00150.png)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4424274C1 (de) * 1994-07-09 1996-01-11 Jenoptik Technologie Gmbh Einrichtung zur Manipulation eines Synchrotronstrahlenbündels
DE19905823C1 (de) * 1999-02-12 2000-06-08 Deutsches Krebsforsch Kollimator zum Begrenzen eines Bündels energiereicher Strahlen

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0184695B1 (de) * 1984-12-03 1989-02-08 Siemens Aktiengesellschaft Primärstrahlenblende für Röntgenuntersuchungsgeräte
US4739173A (en) * 1986-04-11 1988-04-19 Board Of Trustees Operating Michigan State University Collimator apparatus and method
US4754147A (en) * 1986-04-11 1988-06-28 Michigan State University Variable radiation collimator
GB2211710A (en) * 1987-10-28 1989-07-05 Philips Nv Multileaf collimator
DE3934321A1 (de) * 1989-10-13 1991-04-18 Siemens Ag Roentgenroehre mit austrittsfenster
US5166531A (en) * 1991-08-05 1992-11-24 Varian Associates, Inc. Leaf-end configuration for multileaf collimator
DE4229321C2 (de) * 1992-09-02 1995-02-02 Siemens Ag Primärstrahlenblende für Strahlengeräte
IL121866A (en) 1997-09-29 2000-11-21 Ein Gal Moshe Multiple layer multileaf collimator
DE102006042726A1 (de) * 2006-09-12 2008-03-27 Siemens Ag Lamellenkollimator
EP2153448B1 (en) 2007-05-24 2012-07-25 Elekta AB (publ) Collimation apparatus for radiotherapy
CN103839603B (zh) * 2012-11-27 2017-12-22 Ge医疗系统环球技术有限公司 Ct准直仪和包含该ct准直仪的ct系统
DE102013222209A1 (de) * 2013-10-31 2015-04-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Blendensystem für eine Strahlenquelle sowie Vorrichtung und Verfahren zum Aufnehmen eines Projektionsbilds und zum Bestimmen einer Relativposition zwischen einer Strahlenquelle und einem Strahlendetektor
JP2015092953A (ja) * 2013-11-11 2015-05-18 キヤノン株式会社 放射線撮影装置及び放射線撮影システム
CN105403580B (zh) 2015-12-28 2018-10-09 清华大学 准直器和检查系统
KR20170093500A (ko) * 2016-02-05 2017-08-16 주식회사바텍 엑스선 콜리메이터 및 이를 이용한 엑스선 영상 촬영 장치

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3151245A (en) * 1961-11-21 1964-09-29 High Voltage Engineering Corp X-ray beam collimating apparatus
GB1067753A (en) * 1963-05-19 1967-05-03 Ass Elect Ind Improvements relating to beam defining structures
DE1198194B (de) * 1964-01-10 1965-08-05 Otto Kratky Dipl Ing Dr Blendenanordnung zur Begrenzung eines Roentgenstrahlenbuendels
US3980407A (en) * 1975-01-17 1976-09-14 Electromask, Inc. Shutter plate movement
CA1099034A (en) * 1977-10-21 1981-04-07 Leonhard Taumann Electron accelerator comprising a target exposed to the electron beam

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4424274C1 (de) * 1994-07-09 1996-01-11 Jenoptik Technologie Gmbh Einrichtung zur Manipulation eines Synchrotronstrahlenbündels
DE19905823C1 (de) * 1999-02-12 2000-06-08 Deutsches Krebsforsch Kollimator zum Begrenzen eines Bündels energiereicher Strahlen

Also Published As

Publication number Publication date
US4534052A (en) 1985-08-06
FR2524655B1 (fr) 1985-10-18
FR2524655A1 (fr) 1983-10-07
DE3311870A1 (de) 1983-10-06

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition