IL97472A - שפופרת כוונון קרני רנטגן בעלת דיוק גבוה - Google Patents
שפופרת כוונון קרני רנטגן בעלת דיוק גבוהInfo
- Publication number
- IL97472A IL97472A IL9747291A IL9747291A IL97472A IL 97472 A IL97472 A IL 97472A IL 9747291 A IL9747291 A IL 9747291A IL 9747291 A IL9747291 A IL 9747291A IL 97472 A IL97472 A IL 97472A
- Authority
- IL
- Israel
- Prior art keywords
- mandrel
- fan beam
- collimator
- torque
- ray
- Prior art date
Links
- 238000002591 computed tomography Methods 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 claims 1
- 230000001419 dependent effect Effects 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 238000003384 imaging method Methods 0.000 description 16
- 230000033001 locomotion Effects 0.000 description 8
- 238000012937 correction Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003094 perturbing effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/495,687 US5054041A (en) | 1990-03-19 | 1990-03-19 | High precision x-ray collimator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL97472A0 IL97472A0 (en) | 1992-06-21 |
| IL97472A true IL97472A (he) | 1995-12-31 |
Family
ID=23969611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL9747291A IL97472A (he) | 1990-03-19 | 1991-03-07 | שפופרת כוונון קרני רנטגן בעלת דיוק גבוה |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5054041A (he) |
| EP (1) | EP0447879A3 (he) |
| JP (1) | JPH0793925B2 (he) |
| CA (1) | CA2034372A1 (he) |
| IL (1) | IL97472A (he) |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2620467B2 (ja) * | 1992-07-16 | 1997-06-11 | 株式会社島津製作所 | Ｘ線ｃｔ装置 |
| DE4442854C1 (de) * | 1994-12-01 | 1996-02-01 | Siemens Ag | Computertomograph |
| US5608776A (en) * | 1995-10-10 | 1997-03-04 | General Electric Company | Methods and apparatus for twin beam computed tomography |
| US5644614A (en) * | 1995-12-21 | 1997-07-01 | General Electric Company | Collimator for reducing patient x-ray dose |
| US5610963A (en) * | 1996-02-06 | 1997-03-11 | General Electric Company | Methods and systems for determining the z-axis profile of a detector in a CT system |
| US6301334B1 (en) * | 2000-04-19 | 2001-10-09 | Analogic Corporation | Backlash-resistant drive assembly for collimator in a CT scanner |
| AU2001259091A1 (en) | 2000-04-19 | 2001-11-07 | Analogic Corporation | Backlash-resistant drive assembly for collimator in a ct scanner |
| US6519312B1 (en) | 2000-08-16 | 2003-02-11 | Analogic Corporation | System and method for mounting x-ray tube in CT scanner |
| US20040120457A1 (en) * | 2002-12-20 | 2004-06-24 | University Of Massachusetts Medical Center | Scatter reducing device for imaging |
| US7031434B1 (en) | 2003-08-06 | 2006-04-18 | General Electric Company | Method of manufacturing, and a collimator mandrel having variable attenuation characteristics for a CT system |
| JP3961468B2 (ja) | 2003-09-19 | 2007-08-22 | 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 | 放射線計算断層画像装置およびそれに用いる放射線検出器 |
| US7310410B2 (en) * | 2004-07-28 | 2007-12-18 | General Electric Co. | Single-leaf X-ray collimator |
| US7167542B2 (en) * | 2004-09-27 | 2007-01-23 | Siemens Medical Solutions Usa, Inc. | Motor arrangement and methods for a multi-leaf collimator |
| 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 |
| US8385499B2 (en) | 2009-12-28 | 2013-02-26 | General Electric Company | 2D reflector and collimator structure and method of manufacturing thereof |
| EP2920791B1 (en) * | 2012-11-16 | 2023-12-27 | NeuroLogica Corporation | Multi-slit rotatable collimator |
| DE102013107310A1 (de) * | 2013-07-10 | 2015-01-15 | Smiths Heimann Gmbh | Strahlenverschluss, insbesondere für Röntgenstrahlen |
| KR20160139295A (ko) * | 2015-05-27 | 2016-12-07 | 삼성전자주식회사 | 방사선 이미징 장치 |
| WO2017071651A1 (zh) | 2015-10-30 | 2017-05-04 | 上海联影医疗科技有限公司 | 一种用于扫描系统的准直器 |
| US20200367845A1 (en) * | 2017-02-07 | 2020-11-26 | Alex Dolgonos | Prostate imaging system and method |
| EP3627994B1 (en) * | 2017-05-05 | 2024-08-21 | Zap Surgical Systems, Inc. | Revolving radiation collimator |
| US11058892B2 (en) | 2017-05-05 | 2021-07-13 | Zap Surgical Systems, Inc. | Revolving radiation collimator |
| JP2019010443A (ja) * | 2017-06-30 | 2019-01-24 | キヤノン電子管デバイス株式会社 | Ｘ線ｃｔ装置、ｘ線ｃｔ方法、およびコリメータ |
| CN108401421B (zh) | 2017-09-06 | 2022-12-20 | 睿谱外科系统股份有限公司 | 自屏蔽的集成控制放射外科系统 |
| US11628312B2 (en) | 2017-11-06 | 2023-04-18 | The Research Foundation For The State University Of New York | System and method for dual-use computed tomography for imaging and radiation therapy |
| CN108175435B (zh) * | 2018-01-09 | 2021-01-08 | 明峰医疗系统股份有限公司 | 一种应用于探测器x射线的凸轮限束器 |
| AU2020241168B2 (en) | 2019-03-15 | 2025-10-30 | Robotic Technologies Limited | X-ray imaging system, method and shutter |
| EP4284501A4 (en) | 2021-02-01 | 2025-01-01 | Zap Surgical Systems, Inc. | Inverse planning device and methods for radiation treatment |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3275831A (en) * | 1963-05-16 | 1966-09-27 | Industrial Nucleonics Corp | Radiation beam shutter collimator |
| US4145613A (en) * | 1977-10-25 | 1979-03-20 | Cgr Medical Corporation | Motorized X-ray tube assembly |
| US4277685A (en) * | 1978-06-12 | 1981-07-07 | Ohio-Nuclear, Inc. | Adjustable collimator |
| FI64999C (fi) * | 1980-09-22 | 1984-02-10 | Instrumentarium Oy | Spaltkollimator foer panoramaroentgenavbildningsanordning |
| US4559639A (en) * | 1982-11-22 | 1985-12-17 | General Electric Company | X-Ray detector with compensation for height-dependent sensitivity and method of using same |
| JPS6082300U (ja) * | 1983-11-09 | 1985-06-07 | 株式会社日立メデイコ | Ｘ線複合コリメ−タ |
| US4592083A (en) * | 1984-03-27 | 1986-05-27 | Tokyo Shibaura Denki Kabushiki Kaisha | High speed x-ray shutter |
| JPH0217970U (he) * | 1988-07-21 | 1990-02-06 | ||
| US4991189A (en) * | 1990-04-16 | 1991-02-05 | General Electric Company | Collimation apparatus for x-ray beam correction |
-
1990
- 1990-03-19 US US07/495,687 patent/US5054041A/en not_active Expired - Fee Related
-
1991
- 1991-01-17 CA CA002034372A patent/CA2034372A1/en not_active Abandoned
- 1991-03-06 EP EP19910103396 patent/EP0447879A3/en not_active Ceased
- 1991-03-07 IL IL9747291A patent/IL97472A/he not_active IP Right Cessation
- 1991-03-14 JP JP3073629A patent/JPH0793925B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04221532A (ja) | 1992-08-12 |
| EP0447879A3 (en) | 1992-05-20 |
| IL97472A0 (en) | 1992-06-21 |
| US5054041A (en) | 1991-10-01 |
| EP0447879A2 (en) | 1991-09-25 |
| CA2034372A1 (en) | 1991-09-20 |
| JPH0793925B2 (ja) | 1995-10-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FF | Patent granted | ||
| KB | Patent renewed | ||
| KB | Patent renewed | ||
| MM9K | Patent not in force due to non-payment of renewal fees |