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DE69120897D1 - Röntgeneinrichtung - Google Patents

Röntgeneinrichtung

Info

Publication number
DE69120897D1
DE69120897D1 DE69120897T DE69120897T DE69120897D1 DE 69120897 D1 DE69120897 D1 DE 69120897D1 DE 69120897 T DE69120897 T DE 69120897T DE 69120897 T DE69120897 T DE 69120897T DE 69120897 D1 DE69120897 D1 DE 69120897D1
Authority
DE
Germany
Prior art keywords
ray 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 - Fee Related
Application number
DE69120897T
Other languages
English (en)
Other versions
DE69120897T2 (de
Inventor
Teruomi Gunji
Kazunori Itou
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
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 Toshiba Corp filed Critical Toshiba Corp
Application granted granted Critical
Publication of DE69120897D1 publication Critical patent/DE69120897D1/de
Publication of DE69120897T2 publication Critical patent/DE69120897T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • A61B6/40—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
    • A61B6/4028—Arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot resulting in acquisition of views from substantially different positions, e.g. EBCT
    • 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
    • A61B6/022—Stereoscopic imaging
    • 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
    • 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

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Biophysics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • X-Ray Techniques (AREA)
DE69120897T 1990-11-13 1991-11-13 Röntgeneinrichtung Expired - Fee Related DE69120897T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2306632A JPH04179100A (ja) 1990-11-13 1990-11-13 Ｘ線絞り装置

Publications (2)

Publication Number Publication Date
DE69120897D1 true DE69120897D1 (de) 1996-08-22
DE69120897T2 DE69120897T2 (de) 1997-02-20

Family

ID=17959432

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69120897T Expired - Fee Related DE69120897T2 (de) 1990-11-13 1991-11-13 Röntgeneinrichtung

Country Status (4)

Country Link
US (1) US5237599A (de)
EP (1) EP0485998B1 (de)
JP (1) JPH04179100A (de)
DE (1) DE69120897T2 (de)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0581700U (ja) * 1992-04-07 1993-11-05 セイコー電子工業株式会社 蛍光ｘ線膜厚測定装置
JP3091821B2 (ja) * 1993-09-06 2000-09-25 キヤノン株式会社 露光装置およびデバイス製造方法
US5748703A (en) * 1994-03-22 1998-05-05 Cosman; Eric R. Dynamic collimator for a linear accelerator
JP4273594B2 (ja) * 1999-10-13 2009-06-03 株式会社島津製作所 Ｘ線透視撮影台
US6393100B1 (en) * 1999-10-29 2002-05-21 General Electric Company Asymmetric collimator for chest optimized imaging
US6320936B1 (en) 1999-11-26 2001-11-20 Parker Medical, Inc. X-ray tube assembly with beam limiting device for reducing off-focus radiation
DK1325314T3 (da) * 2000-08-28 2008-07-21 Np Chastnoe Unitarnoe Predpr A Fremgangsmåde og apparaat til röntgenscanning af legemer
FI110478B (fi) * 2001-05-29 2003-02-14 Planmeca Oy Menetelmä ja laitteisto sädekeilan rajaamiseksi
DE10244898B4 (de) * 2002-09-26 2010-04-29 Siemens Ag Einblendvorrichtung und Computertomographiegerät mit einer strahlerseitigen Einblendvorrichtung
DE602004003347T2 (de) * 2003-02-28 2007-06-21 Osmic, Inc., Auburn Hills Optische röntgenstrahlungsvorrichtung mit verstellbarer konvergenz
US7440550B2 (en) * 2003-11-20 2008-10-21 Ge Medical Systems Global Technology Company, Llc Collimator X-ray irradiator and X-ray apparatus
DE102005018811B4 (de) * 2005-04-22 2008-02-21 Siemens Ag Blendenvorrichtung für eine zur Abtastung eines Objektes vorgesehene Röntgeneinrichtung und Verfahren für eine Blendenvorrichtung
JP5011482B2 (ja) * 2005-07-19 2012-08-29 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー Ｘ線ｃｔ装置
CN100483564C (zh) * 2005-09-22 2009-04-29 同方威视技术股份有限公司 一种用于调整x射线束流的准直器
US7714293B2 (en) * 2007-01-06 2010-05-11 General Electric Company Methods and apparatus for keystone effect
US8093572B2 (en) * 2007-06-29 2012-01-10 Accuray Incorporated Integrated variable-aperture collimator and fixed-aperture collimator
JP5273957B2 (ja) * 2007-07-03 2013-08-28 キヤノン株式会社 放射線画像撮影装置
US9008267B2 (en) * 2009-02-10 2015-04-14 Koninklijke Philips N.V. Medical viewing system for displaying an X-ray image
JP6091769B2 (ja) * 2012-05-25 2017-03-08 東芝メディカルシステムズ株式会社 Ｘ線診断装置
US8976934B2 (en) * 2012-06-19 2015-03-10 General Electric Company Radiation apertures for X-ray collimators
CN102835968B (zh) * 2012-09-17 2014-08-13 北京东方惠尔图像技术有限公司 束光器、具有其的x射线机以及束光器控制方法
CN102973289A (zh) * 2012-12-24 2013-03-20 重庆华伦弘力实业有限公司 一种限束器
EP2994052B1 (de) * 2013-05-08 2016-11-16 Koninklijke Philips N.V. Kollimation für entfernte brennflecken
JP6327960B2 (ja) * 2013-07-16 2018-05-23 キヤノン株式会社 照射野制限装置、それを備えたｘ線発生ユニット及びｘ線撮影システム
CN105769227A (zh) * 2014-12-24 2016-07-20 丹东市科大仪器有限公司 一种医用x射线限束器多层防护叶片驱动机械装置
CN106053502B (zh) * 2016-06-29 2018-11-13 中国科学院上海应用物理研究所 用于四刀狭缝的调节装置
US10849576B2 (en) * 2017-04-27 2020-12-01 Medtronic Navigation, Inc. Filter system and method for imaging a subject
EP3616217A1 (de) * 2017-04-27 2020-03-04 Medtronic Navigation, Inc. Filtersystem und -verfahren zur bildgebung eines objekts
US10682103B2 (en) 2017-04-27 2020-06-16 Medtronic Navigation, Inc. Filter system and method for imaging a subject
US10806413B2 (en) 2017-04-27 2020-10-20 Medtronic Navigation, Inc. Filter system and method for imaging a subject
US10695011B2 (en) * 2018-08-08 2020-06-30 General Electric Company X-ray collimator for imaging system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0142841A3 (de) * 1983-11-18 1987-04-29 Kabushiki Kaisha Toshiba Blenden-Vorrichtung für ein Röntgendiagnostik-Gerät
JPS60127698A (ja) * 1983-12-13 1985-07-08 Toshiba Corp Ｘ線絞り装置
DE3473197D1 (en) * 1984-06-15 1988-09-08 Siemens Ag Primary beam diaphragm for an x-ray diagnostic apparatus for stereoscopic radiographs
DE3635948A1 (de) * 1986-10-22 1988-04-28 Siemens Ag Strahlenblende fuer ein stereobild-roentgendiagnostikgeraet

Also Published As

Publication number Publication date
EP0485998A1 (de) 1992-05-20
US5237599A (en) 1993-08-17
DE69120897T2 (de) 1997-02-20
JPH04179100A (ja) 1992-06-25
EP0485998B1 (de) 1996-07-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee