ATE549901T1 - Schnelle modulation einer schaltfokus- röntgenröhre - Google Patents

Schnelle modulation einer schaltfokus- röntgenröhre

Info

Publication number
ATE549901T1
ATE549901T1 AT10178639T AT10178639T ATE549901T1 AT E549901 T1 ATE549901 T1 AT E549901T1 AT 10178639 T AT10178639 T AT 10178639T AT 10178639 T AT10178639 T AT 10178639T AT E549901 T1 ATE549901 T1 AT E549901T1
Authority
AT
Austria
Prior art keywords
electron beam
time
varying intensity
anode
ray tube
Prior art date
Application number
AT10178639T
Other languages
English (en)
Inventor
Theodore Resnick
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE549901T1 publication Critical patent/ATE549901T1/de

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/40Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/405Source units specially adapted to modify characteristics of the beam during the data acquisition process
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03Computed tomography [CT]
    • A61B6/032Transmission computed tomography [CT]
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/40Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4021Arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00X-ray tubes
    • H01J35/02Details
    • H01J35/04Electrodes ; Mutual position thereof; Constructional adaptations therefor
    • H01J35/045Electrodes for controlling the current of the cathode ray, e.g. control grids
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00X-ray tubes
    • H01J35/02Details
    • H01J35/14Arrangements for concentrating, focusing, or directing the cathode ray
    • H01J35/147Spot size control
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00X-ray tubes
    • H01J35/02Details
    • H01J35/14Arrangements for concentrating, focusing, or directing the cathode ray
    • H01J35/153Spot position control
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05GX-RAY TECHNIQUE
    • H05G1/00X-ray apparatus involving X-ray tubes; Circuits therefor
    • H05G1/08Electrical details
    • H05G1/26Measuring, controlling or protecting
    • H05G1/30Controlling
    • H05G1/34Anode current, heater current or heater voltage of X-ray tube
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05GX-RAY TECHNIQUE
    • H05G1/00X-ray apparatus involving X-ray tubes; Circuits therefor
    • H05G1/08Electrical details
    • H05G1/26Measuring, controlling or protecting
    • H05G1/30Controlling
    • H05G1/36Temperature of anode; Brightness of image power

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • General Health & Medical Sciences (AREA)
  • Biophysics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Toxicology (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • X-Ray Techniques (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
AT10178639T 2003-01-06 2004-01-05 Schnelle modulation einer schaltfokus- röntgenröhre ATE549901T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US43821603P 2003-01-06 2003-01-06

Publications (1)

Publication Number Publication Date
ATE549901T1 true ATE549901T1 (de) 2012-03-15

Family

ID=32713294

Family Applications (1)

Application Number Title Priority Date Filing Date
AT10178639T ATE549901T1 (de) 2003-01-06 2004-01-05 Schnelle modulation einer schaltfokus- röntgenröhre

Country Status (6)

Country Link
US (1) US7406154B2 (de)
EP (2) EP2271189B1 (de)
JP (1) JP2006516206A (de)
CN (1) CN100375583C (de)
AT (1) ATE549901T1 (de)
WO (1) WO2004061864A2 (de)

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WO2007135614A1 (en) * 2006-05-22 2007-11-29 Philips Intellectual Property & Standards Gmbh X-ray tube whose electron beam is manipulated synchronously with the rotational anode movement
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CN101346034B (zh) * 2007-07-09 2011-11-23 清华大学 双能或多能静电场电子加速装置和方法
US8208600B2 (en) * 2007-07-19 2012-06-26 Hitachi Medical Corporation X-ray generating apparatus and X-ray CT apparatus using the same
US7496180B1 (en) * 2007-08-29 2009-02-24 General Electric Company Focal spot temperature reduction using three-point deflection
JP5268406B2 (ja) * 2008-03-31 2013-08-21 株式会社東芝 X線ctスキャナ及びx線管装置
US7869571B2 (en) * 2008-09-17 2011-01-11 General Electric Company Methods and apparatus for x-ray imaging with focal spot deflection
WO2010058332A2 (en) * 2008-11-21 2010-05-27 Philips Intellectual Property & Standards Gmbh X-ray tube with repelling top electrode for accelerated switching-off
US7991117B2 (en) * 2009-01-13 2011-08-02 Varian Medical Systems, Inc. Apparatus and method to facilitate dynamically adjusting radiation intensity for imaging purposes
JP5433334B2 (ja) 2009-07-27 2014-03-05 株式会社東芝 X線ct装置
US8027433B2 (en) * 2009-07-29 2011-09-27 General Electric Company Method of fast current modulation in an X-ray tube and apparatus for implementing same
JP5675808B2 (ja) * 2009-08-13 2015-02-25 コーニンクレッカ フィリップス エヌ ヴェ 独立したx及びz方向の動的フォーカルスポット偏向を持つX線管
DE102009037688B4 (de) * 2009-08-17 2011-06-16 Siemens Aktiengesellschaft Vorrichtung und Verfahren zur Steuerung eines Elektronenstrahls für die Erzeugung von Röntgenstrahlung sowie Röntgenröhre
JP5622371B2 (ja) 2009-08-28 2014-11-12 株式会社東芝 X線管及びそれを用いたx線ct装置
US8340250B2 (en) 2009-09-04 2012-12-25 General Electric Company System and method for generating X-rays
WO2011084878A1 (en) 2010-01-05 2011-07-14 William Beaumont Hospital Intensity modulated arc therapy with continuous couch rotation/shift and simultaneous cone beam imaging
US8396185B2 (en) 2010-05-12 2013-03-12 General Electric Company Method of fast current modulation in an X-ray tube and apparatus for implementing same
US8295442B2 (en) * 2010-07-28 2012-10-23 General Electric Company Apparatus and method for magnetic control of an electron beam
US9504135B2 (en) * 2010-07-28 2016-11-22 General Electric Company Apparatus and method for magnetic control of an electron beam
US9870892B2 (en) 2011-11-23 2018-01-16 Koninklijke Philips N.V. Periodic modulation of the X-ray intensity
JP2014061273A (ja) * 2012-08-30 2014-04-10 Toshiba Corp X線コンピュータ断層撮影装置
US8964940B2 (en) * 2012-11-21 2015-02-24 Thermo Scientific Portable Analytical Instruments Inc. Dynamically adjustable filament control through firmware for miniature x-ray source
US9241393B2 (en) 2013-03-14 2016-01-19 Analogic Corporation Dynamic control of radiation emission
EP3013237B1 (de) * 2013-06-26 2020-04-29 Koninklijke Philips N.V. Röntgenbestrahlungsvorrichtung
US9201028B2 (en) 2013-12-17 2015-12-01 Nucsafe, Inc. Depth determination in X-ray backscatter system using frequency modulated X-ray beam
JP6441015B2 (ja) * 2014-10-06 2018-12-19 キヤノンメディカルシステムズ株式会社 X線診断装置及びx線管制御方法
EP3302282B1 (de) * 2015-06-01 2021-04-14 The Regents of the University of California Systeme und verfahren zur reduzierung der strahlungsdosis bei der ct
US10165996B2 (en) * 2015-09-30 2019-01-01 General Electric Company Systems and methods for dual-energy computed tomography imaging
CN105212958B (zh) * 2015-10-21 2018-08-21 沈阳东软医疗系统有限公司 Ct图像的获得方法、装置及设备
US10290460B2 (en) * 2016-09-07 2019-05-14 General Electric Company X-ray tube with gridding electrode
DE102016222365B3 (de) * 2016-11-15 2018-04-05 Siemens Healthcare Gmbh Verfahren, Computerprogrammprodukt, computerlesbares Medium und Vorrichtung zur Erzeugung von Röntgenpulsen bei einer Röntgenbildgebung
EP3528274A1 (de) 2018-02-19 2019-08-21 Koninklijke Philips N.V. Röntgenquelle und vorrichtung zur bildgebung mit röntgenstrahlung
WO2020089131A1 (de) * 2018-10-29 2020-05-07 Yxlon International Gmbh Verfahren zur stabilisierung eines brennflecks einer röntgenröhre sowie röntgen-ct-anlage
JP6564120B1 (ja) * 2018-11-13 2019-08-21 株式会社オリジン X線管制御装置、x線発生装置及びx線管制御方法
CN109799184A (zh) * 2019-03-12 2019-05-24 北京卫星环境工程研究所 组合式的航天器光缆组件温度和辐照综合试验系统
CN119679436A (zh) * 2023-09-20 2025-03-25 上海联影医疗科技股份有限公司 剂量调制方法、高压发生器及其控制方法、扫描设备
CN117594400A (zh) * 2023-11-02 2024-02-23 上海联影医疗科技股份有限公司 射线源组件、射线控制方法和计算机可读存储介质

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Also Published As

Publication number Publication date
CN1723743A (zh) 2006-01-18
JP2006516206A (ja) 2006-06-29
EP1584219A2 (de) 2005-10-12
CN100375583C (zh) 2008-03-12
US20060115050A1 (en) 2006-06-01
US7406154B2 (en) 2008-07-29
EP2271189B1 (de) 2012-03-14
WO2004061864A3 (en) 2004-10-07
WO2004061864A2 (en) 2004-07-22
EP2271189A1 (de) 2011-01-05
EP1584219B1 (de) 2012-06-13

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