DE10085015T1 - Vorrichtung zur Beseitigung von Ionen in einem Computertomographiesystem - Google Patents

Vorrichtung zur Beseitigung von Ionen in einem Computertomographiesystem

Info

Publication number
DE10085015T1
DE10085015T1 DE10085015T DE10085015T DE10085015T1 DE 10085015 T1 DE10085015 T1 DE 10085015T1 DE 10085015 T DE10085015 T DE 10085015T DE 10085015 T DE10085015 T DE 10085015T DE 10085015 T1 DE10085015 T1 DE 10085015T1
Authority
DE
Germany
Prior art keywords
computer tomography
tomography system
removing ions
ions
computer
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.)
Withdrawn
Application number
DE10085015T
Other languages
English (en)
Inventor
Roy E Rand
Khem Garewal
James F Heilman
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.)
GE Medical Systems Global Technology Co LLC
Original Assignee
Imatron Inc
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 Imatron Inc filed Critical Imatron Inc
Publication of DE10085015T1 publication Critical patent/DE10085015T1/de
Withdrawn legal-status Critical Current

Links

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
    • G21K1/08—Deviation, concentration or focusing of the beam by electric or magnetic means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00—X-ray tubes
    • H01J35/02—Details
    • 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
    • A61B6/40—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

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Electron Sources, Ion Sources (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
DE10085015T 1999-09-21 2000-09-21 Vorrichtung zur Beseitigung von Ionen in einem Computertomographiesystem Withdrawn DE10085015T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/399,910 US6208711B1 (en) 1999-09-21 1999-09-21 Method and apparatus for clearing ions in a scanning electron beam computed tomographic system using a single potential power source
PCT/US2000/025964 WO2001022467A1 (en) 1999-09-21 2000-09-21 Apparatus for clearing ions in a computed tomographic system

Publications (1)

Publication Number Publication Date
DE10085015T1 true DE10085015T1 (de) 2002-12-05

Family

ID=23581456

Family Applications (1)

Application Number Title Priority Date Filing Date
DE10085015T Withdrawn DE10085015T1 (de) 1999-09-21 2000-09-21 Vorrichtung zur Beseitigung von Ionen in einem Computertomographiesystem

Country Status (5)

Country Link
US (1) US6208711B1 (de)
JP (1) JP2003510762A (de)
AU (1) AU7601600A (de)
DE (1) DE10085015T1 (de)
WO (1) WO2001022467A1 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6833710B2 (en) * 2000-10-27 2004-12-21 Axcelis Technologies, Inc. Probe assembly for detecting an ion in a plasma generated in an ion source
US6670625B1 (en) 2002-06-18 2003-12-30 Ge Medical Systems Global Technology Company, Llc Method and apparatus for correcting multipole aberrations of an electron beam in an EBT scanner
US6904118B2 (en) * 2002-07-23 2005-06-07 General Electric Company Method and apparatus for generating a density map using dual-energy CT
US20040081283A1 (en) * 2002-10-23 2004-04-29 Rand Roy Edward Method and apparatus for correcting spherical aberration of an electron beam
US6891321B2 (en) * 2002-11-12 2005-05-10 Ge Medical Systems Global Technology Company, Llc Oil-free electron source having cathode and anode members adjustable with five degrees of freedom
US6789943B2 (en) * 2002-11-12 2004-09-14 Ge Medical Systems Global Technology Company, Llc Method and apparatus for scatter measurement using an occluded detector ring
US7447536B2 (en) * 2002-11-12 2008-11-04 G.E. Medical Systems Global Technology Company, Llc System and method for measurement of local lung function using electron beam CT
NL1024724C2 (nl) 2002-11-12 2005-05-04 Ge Med Sys Global Tech Co Llc Systeem en werkwijze voor het meten van een lokale longfunctie onder gebruikmaking van elektronenstraal CT.
US6952466B2 (en) * 2002-11-12 2005-10-04 Ge Medical Systems Global Technology Company, Llc Oil-free electron source for an EBT scanner
US6842499B2 (en) * 2002-11-15 2005-01-11 Ge Medical Systems Global Technology Company, Llc Method and apparatus for connecting temporally separated sinograms in an EBT scanner
US7639774B2 (en) * 2003-12-23 2009-12-29 General Electric Company Method and apparatus for employing multiple axial-sources
US7333587B2 (en) 2004-02-27 2008-02-19 General Electric Company Method and system for imaging using multiple offset X-ray emission points
US7782998B2 (en) * 2004-12-21 2010-08-24 General Electric Company Method and apparatus for correcting motion in image reconstruction
KR100766907B1 (ko) * 2006-04-05 2007-10-17 한국전기연구원 마이크로 집속 수준의 전자빔 발생용 탄소나노튜브 기판분리형 방사선관 시스템
JP2010500713A (ja) * 2006-08-10 2010-01-07 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Ｘ線管及びｘ線管のイオン偏向及び収集機構の電圧供給の方法
US7616731B2 (en) * 2006-08-30 2009-11-10 General Electric Company Acquisition and reconstruction of projection data using a stationary CT geometry
US7835486B2 (en) * 2006-08-30 2010-11-16 General Electric Company Acquisition and reconstruction of projection data using a stationary CT geometry
US7706499B2 (en) * 2006-08-30 2010-04-27 General Electric Company Acquisition and reconstruction of projection data using a stationary CT geometry
US20080056432A1 (en) * 2006-08-30 2008-03-06 General Electric Company Reconstruction of CT projection data
DE102012005767A1 (de) * 2012-03-25 2013-09-26 DüRR DENTAL AG Phasenkontrast-Röntgen-Tomographiegerät
DE102013206252A1 (de) * 2013-04-09 2014-10-09 Helmholtz-Zentrum Dresden - Rossendorf E.V. Anordnung zur schnellen Elektronenstrahl-Röntgencomputertomographie

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL71676A0 (en) * 1984-04-27 1984-12-31 Israel State X-ray tube
JPH0616388B2 (ja) * 1986-10-09 1994-03-02 イメイトロン インコ−ポレ−テツド コンピユ−タを使用した断層スキヤナのような電子ビ−ムシステムにおいて入射電子ビ−ムを調整偏向する磁気コイルアセンブリ
JP2919926B2 (ja) * 1990-08-10 1999-07-19 日本真空技術株式会社 大電流イオン注入装置用加速管
US5193105A (en) * 1991-12-18 1993-03-09 Imatron, Inc. Ion controlling electrode assembly for a scanning electron beam computed tomography scanner
US5289519A (en) * 1991-12-18 1994-02-22 Imatron, Inc. Rotatable ion controlling electrode assembly with no offset or deflection of low energy electrons for a scanning electron beam computed tomography scanner
JP2692380B2 (ja) * 1993-01-19 1997-12-17 トヨタ自動車株式会社 内燃機関の排気浄化装置
US5719914A (en) * 1995-11-13 1998-02-17 Imatron, Inc. Method for correcting spherical aberration of the electron beam in a scanning electron beam computed tomography system

Also Published As

Publication number Publication date
JP2003510762A (ja) 2003-03-18
US6208711B1 (en) 2001-03-27
AU7601600A (en) 2001-04-24
WO2001022467A1 (en) 2001-03-29

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8139 Disposal/non-payment of the annual fee