DE69120897D1 - Röntgeneinrichtung - Google Patents
RöntgeneinrichtungInfo
- 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
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/40—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis
- A61B6/4021—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot
- A61B6/4028—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with 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 for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/02—Devices 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 for radiation diagnosis, e.g. 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
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)
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 |
DE00955983T1 (de) * | 2000-08-28 | 2007-01-18 | Nauchno-Proizvodstvennoe Chastnoe Unitarnoe Predpriyatie Adani | Verfahren zur röntgenabtastung von körpern, vorrichtung und detektor dazu |
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 |
EP1597737B1 (de) * | 2003-02-28 | 2006-11-22 | Osmic, Inc. | Optische röntgenstrahlungsvorrichtung mit verstellbarer konvergenz |
EP1686897B1 (de) * | 2003-11-20 | 2010-08-11 | GE Medical Systems Global Technology Company LLC | Kollimator, röntgenstrahler und röntgengerät |
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 |
US9877687B2 (en) * | 2013-05-08 | 2018-01-30 | Koninklijke Philips N.V. | Collimation for distanced focal spots |
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 |
US10682103B2 (en) | 2017-04-27 | 2020-06-16 | Medtronic Navigation, Inc. | Filter system and method for imaging a subject |
WO2018200310A1 (en) * | 2017-04-27 | 2018-11-01 | Medtronic Navigation, Inc. | Filter system and method for imaging a subject |
US10849576B2 (en) * | 2017-04-27 | 2020-12-01 | 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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60127698A (ja) * | 1983-12-13 | 1985-07-08 | Toshiba Corp | X線絞り装置 |
EP0142841A3 (de) * | 1983-11-18 | 1987-04-29 | Kabushiki Kaisha Toshiba | Blenden-Vorrichtung für ein Röntgendiagnostik-Gerät |
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 |
-
1990
- 1990-11-13 JP JP2306632A patent/JPH04179100A/ja active Pending
-
1991
- 1991-11-13 DE DE69120897T patent/DE69120897T2/de not_active Expired - Fee Related
- 1991-11-13 US US07/791,133 patent/US5237599A/en not_active Expired - Fee Related
- 1991-11-13 EP EP91119372A patent/EP0485998B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69120897T2 (de) | 1997-02-20 |
JPH04179100A (ja) | 1992-06-25 |
US5237599A (en) | 1993-08-17 |
EP0485998B1 (de) | 1996-07-17 |
EP0485998A1 (de) | 1992-05-20 |
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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 |