BR9509748A - Sistema de compensação do movimento de ponto focal dos raios-x - Google Patents
Sistema de compensação do movimento de ponto focal dos raios-xInfo
- Publication number
- BR9509748A BR9509748A BR9509748A BR9509748A BR9509748A BR 9509748 A BR9509748 A BR 9509748A BR 9509748 A BR9509748 A BR 9509748A BR 9509748 A BR9509748 A BR 9509748A BR 9509748 A BR9509748 A BR 9509748A
- Authority
- BR
- Brazil
- Prior art keywords
- focal point
- compensation system
- point movement
- ray focal
- movement compensation
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05G—X-RAY TECHNIQUE
- H05G1/00—X-ray apparatus involving X-ray tubes; Circuits therefor
- H05G1/08—Electrical details
- H05G1/60—Circuit arrangements for obtaining a series of X-ray photographs or for X-ray cinematography
-
- 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
- A61B6/03—Computed tomography [CT]
- A61B6/032—Transmission computed tomography [CT]
-
- 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
-
- 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
-
- 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05G—X-RAY TECHNIQUE
- H05G1/00—X-ray apparatus involving X-ray tubes; Circuits therefor
- H05G1/08—Electrical details
- H05G1/26—Measuring, controlling or protecting
-
- 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
- A61B6/44—Constructional features of apparatus for radiation diagnosis
- A61B6/4488—Means for cooling
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- High Energy & Nuclear Physics (AREA)
- Optics & Photonics (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Toxicology (AREA)
- Pulmonology (AREA)
- Theoretical Computer Science (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Engineering & Computer Science (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/343,240 US5550886A (en) | 1994-11-22 | 1994-11-22 | X-Ray focal spot movement compensation system |
PCT/US1995/014411 WO1996016530A1 (en) | 1994-11-22 | 1995-11-17 | X-ray focal spot movement compensation system |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9509748A true BR9509748A (pt) | 1997-10-21 |
Family
ID=23345273
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9509748A BR9509748A (pt) | 1994-11-22 | 1995-11-17 | Sistema de compensação do movimento de ponto focal dos raios-x |
Country Status (8)
Country | Link |
---|---|
US (1) | US5550886A (pt) |
EP (1) | EP0793902A4 (pt) |
JP (1) | JPH10509077A (pt) |
KR (1) | KR987000797A (pt) |
CN (1) | CN1144571C (pt) |
AU (1) | AU4147496A (pt) |
BR (1) | BR9509748A (pt) |
WO (1) | WO1996016530A1 (pt) |
Families Citing this family (57)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100198515B1 (ko) * | 1994-02-03 | 1999-06-15 | 토비 에취. 쿠스머 | 주사이미지의 질을 개선하기 위한 x선 단층촬영시스템과 방법 |
GB2340014B (en) * | 1995-11-02 | 2000-04-26 | Analogic Corp | Computed tomography scanner with reduced power x-ray source |
US5867553A (en) * | 1995-11-02 | 1999-02-02 | Analogic Corporation | Computed tomography scanner with reduced power x-ray source |
CN1202811A (zh) * | 1995-11-28 | 1998-12-23 | 模拟公司 | X射线管焦斑的预定标 |
US6370218B1 (en) * | 1995-12-21 | 2002-04-09 | General Electric Company | Methods and systems for determining x-ray beam position in multi-slice computed tomography scanners |
NL1012642C2 (nl) | 1996-11-04 | 2007-06-05 | Analogic Corp | Gecomputeriseerde tomografiescanner voor medische doeleinden met röntgenbron met gereduceerd vermogen en werkwijze voor het uitvoeren van een dergelijke scan. |
US5841829A (en) * | 1997-05-13 | 1998-11-24 | Analogic Corporation | Optimal channel filter for CT system with wobbling focal spot |
US6056437A (en) * | 1998-08-25 | 2000-05-02 | General Electric Company | Methods and apparatus for imaging system detector alignment |
US6094469A (en) * | 1998-10-21 | 2000-07-25 | Analogic Corporation | Computed tomography system with stable beam position |
US6256364B1 (en) * | 1998-11-24 | 2001-07-03 | General Electric Company | Methods and apparatus for correcting for x-ray beam movement |
US6256369B1 (en) | 1999-03-31 | 2001-07-03 | Analogic Corporation | Computerized tomography scanner with longitudinal flying focal spot |
US6195407B1 (en) * | 1999-04-21 | 2001-02-27 | Analogic Corporation | Determinate positioner assembly |
FI116655B (fi) | 1999-06-30 | 2006-01-13 | Instrumentarium Oy | Liikuteltava röntgenlaite |
JP4385444B2 (ja) * | 1999-08-19 | 2009-12-16 | 株式会社島津製作所 | X線撮像装置 |
US6310938B1 (en) | 1999-08-27 | 2001-10-30 | General Electric Company | Methods and apparatus for calibrating CT x-ray beam tracking loop |
US6385279B1 (en) * | 1999-08-27 | 2002-05-07 | General Electric Company | Methods and apparatus for positioning a CT imaging x-ray beam |
US6322248B1 (en) * | 2000-01-03 | 2001-11-27 | Ge Yokogawa Medical Systems, Limited | X-ray impinging position alignment method and x-ray tomographic imaging method and apparatus |
US6396902B2 (en) | 2000-07-31 | 2002-05-28 | Analogic Corporation | X-ray collimator |
US6449340B1 (en) | 2000-07-31 | 2002-09-10 | Analogic Corporation | Adjustable x-ray collimator |
US6519312B1 (en) | 2000-08-16 | 2003-02-11 | Analogic Corporation | System and method for mounting x-ray tube in CT scanner |
US6556657B1 (en) | 2000-08-16 | 2003-04-29 | Analogic Corporation | X-ray collimator and method of manufacturing an x-ray collimator |
JP3964615B2 (ja) * | 2000-11-09 | 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 | コリメータ制御方法および装置並びにx線ct装置 |
FI112594B (fi) | 2001-01-05 | 2003-12-31 | Instrumentarium Corp | Laitteisto röntgenkuvausta varten |
CA2407004C (en) * | 2001-02-23 | 2008-02-19 | Mitsubishi Heavy Industries, Ltd. | X-ray ct apparatus |
US7072436B2 (en) * | 2001-08-24 | 2006-07-04 | The Board Of Trustees Of The Leland Stanford Junior University | Volumetric computed tomography (VCT) |
JP4654551B2 (ja) * | 2001-08-27 | 2011-03-23 | 株式会社島津製作所 | Ct装置 |
JP4322470B2 (ja) * | 2002-05-09 | 2009-09-02 | 浜松ホトニクス株式会社 | X線発生装置 |
GB0216891D0 (en) * | 2002-07-20 | 2002-08-28 | Univ Surrey | Radiation collimation |
JP2004180715A (ja) * | 2002-11-29 | 2004-07-02 | Toshiba Corp | X線コンピュータ断層撮影装置 |
US20040146142A1 (en) * | 2003-01-29 | 2004-07-29 | Miikka Maijala | Mobile X-ray apparatus |
JP2007501503A (ja) * | 2003-08-04 | 2007-01-25 | エックス−レイ オプティカル システムズ インコーポレーテッド | 管電力調節および遠隔較正を使用して出力安定性が向上したx線源アセンブリ |
JP2005143812A (ja) * | 2003-11-14 | 2005-06-09 | Hitachi Medical Corp | X線ct装置 |
US7286639B2 (en) * | 2003-12-12 | 2007-10-23 | Ge Medical Systems Global Technology Company, Llc | Focal spot sensing device and method in an imaging system |
DE102004025119B4 (de) * | 2004-05-21 | 2012-08-02 | Siemens Ag | Röntgenstrahler |
DE102004052911B4 (de) * | 2004-11-02 | 2010-04-08 | Siemens Ag | Röntgenstrahler mit einem Strahlergehäuse, Röntgeneinrichtung mit einem derartigen Röntgenstrahler und Computertomographiegerät mit einer derartigen Röntgeneinrichtung |
US7901136B2 (en) | 2008-11-19 | 2011-03-08 | Morpho Detection, Inc. | Methods and system for calibrating and correcting a detection system |
JP5400546B2 (ja) * | 2009-09-28 | 2014-01-29 | 株式会社日立メディコ | X線ct装置 |
CN103648393B (zh) * | 2011-07-15 | 2017-04-26 | 皇家飞利浦有限公司 | 动态准直 |
US8926177B2 (en) * | 2012-05-21 | 2015-01-06 | General Electric Company | Source side monitoring device for an imaging system |
WO2014037770A1 (en) * | 2012-09-07 | 2014-03-13 | Trophy | Apparatus for partial ct imaging |
DE102012216269A1 (de) * | 2012-09-13 | 2014-03-13 | Siemens Aktiengesellschaft | Röntgensystem und Verfahren zur Erzeugung von Bilddaten |
CN103330570B (zh) * | 2013-04-27 | 2016-06-08 | 中国人民解放军北京军区总医院 | X射线准直器、x射线准直系统及移动ct扫描仪 |
US9417194B2 (en) | 2013-08-16 | 2016-08-16 | General Electric Company | Assessment of focal spot characteristics |
KR101609932B1 (ko) * | 2014-07-02 | 2016-04-06 | (의료)길의료재단 | 굴곡진 가동성 빔 차단 어레이 및 이를 포함하는 cbct |
JP6494944B2 (ja) * | 2014-08-01 | 2019-04-03 | キヤノンメディカルシステムズ株式会社 | X線ct装置 |
US20160199019A1 (en) * | 2015-01-13 | 2016-07-14 | Arineta Ltd. | Method and apparatus for focal spot position tracking |
US9739727B2 (en) * | 2015-01-21 | 2017-08-22 | The Boeing Company | Systems and methods for aligning an aperture |
US10314553B2 (en) * | 2016-01-21 | 2019-06-11 | FMI Medical Systems Co., Ltd. | Focal spot position control using pre-patient collimator with beam tracking |
CN106510745B (zh) * | 2016-09-23 | 2021-06-01 | 东软医疗系统股份有限公司 | Pet和ct/mri机械联动系统及其联动扫描方法 |
EP3413691A1 (en) * | 2017-06-08 | 2018-12-12 | Koninklijke Philips N.V. | Apparatus for generating x-rays |
CN108652654A (zh) * | 2018-02-06 | 2018-10-16 | 赛诺威盛科技(北京)有限公司 | Ct机准直器快速补偿定位方法 |
US10898159B2 (en) * | 2019-01-11 | 2021-01-26 | General Electric Company | X-ray imaging system use and calibration |
CN110664420B (zh) * | 2019-10-11 | 2023-04-07 | 上海联影医疗科技股份有限公司 | 焦点校正方法、装置、计算机设备和计算机可读存储介质 |
CN112033983A (zh) * | 2020-08-13 | 2020-12-04 | 上海瑞示电子科技有限公司 | 一种x射线发射系统及检测系统 |
US20220365006A1 (en) * | 2021-05-12 | 2022-11-17 | The Boeing Company | System, method, and apparatus for x-ray backscatter inspection of parts |
CN113440154B (zh) * | 2021-07-16 | 2024-01-16 | 上海交通大学 | 一种针对roi扫描的ct系统装置 |
CN117942098B (zh) * | 2024-03-26 | 2024-06-21 | 赛诺威盛科技(北京)股份有限公司 | Ct扫描系统准直器校正方法、装置、设备和介质 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1283915A (en) * | 1968-08-23 | 1972-08-02 | Emi Ltd | A method of and apparatus for examination of a body by radiation such as x or gamma radiation |
FR2348485A1 (fr) * | 1976-04-15 | 1977-11-10 | Labo Electronique Physique | Perfectionnements aux procedes et appareils d'examen par absorption de rayonnement |
US4547893A (en) * | 1981-06-12 | 1985-10-15 | Analogic Corporation | Continuous wave fan beam tomography system having a best-estimating filter |
FR2565451B1 (fr) * | 1984-05-30 | 1986-08-22 | Thomson Cgr | Procede de controle de la position du foyer d'un tube radiogene et dispositif de controle mettant en oeuvre ce procede |
JPS61196945A (ja) * | 1985-02-27 | 1986-09-01 | 横河メディカルシステム株式会社 | X線断層撮影装置 |
GB2181330B (en) * | 1985-09-26 | 1990-05-09 | Toshiba Kk | X-ray inspection apparatus |
DE3709109C2 (de) * | 1987-03-20 | 1995-07-06 | Siemens Ag | Computertomograph |
US4827494A (en) * | 1987-12-16 | 1989-05-02 | Gte Laboratories Incorporated | X-ray apparatus |
IL90521A0 (en) * | 1989-06-04 | 1990-01-18 | Elscint Ltd | Dual slice scanner |
US4991189A (en) * | 1990-04-16 | 1991-02-05 | General Electric Company | Collimation apparatus for x-ray beam correction |
-
1994
- 1994-11-22 US US08/343,240 patent/US5550886A/en not_active Expired - Fee Related
-
1995
- 1995-11-17 CN CNB951963740A patent/CN1144571C/zh not_active Expired - Fee Related
- 1995-11-17 JP JP8516914A patent/JPH10509077A/ja active Pending
- 1995-11-17 KR KR1019970703461A patent/KR987000797A/ko not_active Application Discontinuation
- 1995-11-17 EP EP95939789A patent/EP0793902A4/en not_active Withdrawn
- 1995-11-17 WO PCT/US1995/014411 patent/WO1996016530A1/en not_active Application Discontinuation
- 1995-11-17 AU AU41474/96A patent/AU4147496A/en not_active Abandoned
- 1995-11-17 BR BR9509748A patent/BR9509748A/pt not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
JPH10509077A (ja) | 1998-09-08 |
KR987000797A (ko) | 1998-03-30 |
AU4147496A (en) | 1996-06-17 |
EP0793902A4 (en) | 1998-04-08 |
CN1164312A (zh) | 1997-11-05 |
EP0793902A1 (en) | 1997-09-10 |
US5550886A (en) | 1996-08-27 |
CN1144571C (zh) | 2004-04-07 |
WO1996016530A1 (en) | 1996-05-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FB36 | Technical and formal requirements: requirement - article 36 of industrial property law | ||
FA8 | Dismissal: dismissal - article 36, par. 1 of industrial property law |