JP3279617B2 - コンピュータトモグラフ - Google Patents

コンピュータトモグラフ

Info

Publication number
JP3279617B2
JP3279617B2 JP04239392A JP4239392A JP3279617B2 JP 3279617 B2 JP3279617 B2 JP 3279617B2 JP 04239392 A JP04239392 A JP 04239392A JP 4239392 A JP4239392 A JP 4239392A JP 3279617 B2 JP3279617 B2 JP 3279617B2
Authority
JP
Japan
Prior art keywords
computer
volume
scan
data
projection
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
Application number
JP04239392A
Other languages
English (en)
Japanese (ja)
Other versions
JPH04312450A (ja
Inventor
エケルト ルードルフ
カレンダー ウイリー
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of JPH04312450A publication Critical patent/JPH04312450A/ja
Application granted granted Critical
Publication of JP3279617B2 publication Critical patent/JP3279617B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • A61B6/4429—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units
    • A61B6/4435—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units the source unit and the detector unit being coupled by a rigid structure
    • A61B6/4447—Tiltable gantries
    • 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
    • A61B6/027—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis characterised by the use of a particular data acquisition trajectory, e.g. helical or spiral
    • 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
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computed tomography [CT]
    • A61B6/032—Transmission computed tomography [CT]
    • A61B6/035—Mechanical aspects of 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

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
JP04239392A 1991-02-06 1992-01-31 コンピュータトモグラフ Expired - Fee Related JP3279617B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4103588.7 1991-02-06
DE4103588A DE4103588C1 (enExample) 1991-02-06 1991-02-06

Publications (2)

Publication Number Publication Date
JPH04312450A JPH04312450A (ja) 1992-11-04
JP3279617B2 true JP3279617B2 (ja) 2002-04-30

Family

ID=6424491

Family Applications (1)

Application Number Title Priority Date Filing Date
JP04239392A Expired - Fee Related JP3279617B2 (ja) 1991-02-06 1992-01-31 コンピュータトモグラフ

Country Status (3)

Country Link
US (1) US5247556A (enExample)
JP (1) JP3279617B2 (enExample)
DE (1) DE4103588C1 (enExample)

Families Citing this family (64)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5197088A (en) * 1991-05-03 1993-03-23 Bruker Analytic Electron beam x-ray computer tomography scanner
DE69223884T2 (de) * 1991-09-12 1998-08-27 Toshiba Kawasaki Kk Verfahren und Vorrichtung zur Erzeugung von Röntgencomputertomogrammen und zum Erzeugen von Schattenbildern mittels spiralförmiger Abtastung
DE4218637C1 (de) * 1992-06-05 1993-11-04 Siemens Ag Computertomograph mit mitteln zur erzeugung eines schattenbildes
DE4223430C1 (de) * 1992-06-24 1993-11-11 Siemens Ag Computertomograph mit Mitteln zur Darstellung von Schattenbildern
DE4409365C1 (de) * 1994-03-18 1995-03-16 Siemens Ag Röntgencomputertomograph
DE4433133C1 (de) * 1994-09-16 1995-12-07 Siemens Ag Röntgenstrahler mit einer Elektronenquelle zum Senden eines Bündels von Elektronen entlang einer langgestreckten Anode
DE4434704C1 (de) * 1994-09-28 1995-06-29 Siemens Ag Röntgenröhre mit einem ringförmigen Vakuumgehäuse
DE19514332C1 (de) * 1995-04-18 1996-07-25 Siemens Ag Röntgencomputertomograph
DE19721981C1 (de) * 1997-05-26 1998-09-24 Siemens Ag Röntgen-Computertomograph mit elektronischer Abtastung einer ringförmigen Anode
DE19722482A1 (de) * 1997-05-28 1998-12-03 Siemens Ag Materialprüfanlage
DE19909527C2 (de) * 1999-03-04 2003-08-14 Siemens Ag CT-Gerät zur Abbildung von zur Systemachse geneigten Schichten
DE19925395B4 (de) 1999-06-02 2004-11-25 Siemens Ag Verfahren zum Betrieb eines Computertomographie(CT)-Gerätes
DE19957127C1 (de) 1999-11-26 2001-08-16 Siemens Ag Computertomograph mit Mitteln zur Darstellung von Schattenbildern
DE10001492A1 (de) * 2000-01-15 2001-07-19 Philips Corp Intellectual Pty Computertomographie-Verfahren zur Erzeugung eines Scannogramms
US6735274B1 (en) * 2000-02-15 2004-05-11 Koninklijke Philips Electronics N.V. Clinical screening CT systems
US6735271B1 (en) * 2000-11-28 2004-05-11 Ge Medical Systems Global Technology Company Llc Electron beam computed tomographic scanner system with helical or tilted target, collimator, and detector components to eliminate cone beam error and to scan continuously moving objects
US8275091B2 (en) 2002-07-23 2012-09-25 Rapiscan Systems, Inc. Compact mobile cargo scanning system
US7963695B2 (en) 2002-07-23 2011-06-21 Rapiscan Systems, Inc. Rotatable boom cargo scanning system
DE10301891B3 (de) 2003-01-17 2004-10-21 Siemens Ag Verfahren zum Betrieb eines Röntgen-Tomographie-Geräts und Röntgen-Tomographie-Gerät
US8837669B2 (en) 2003-04-25 2014-09-16 Rapiscan Systems, Inc. X-ray scanning system
US8243876B2 (en) 2003-04-25 2012-08-14 Rapiscan Systems, Inc. X-ray scanners
GB0525593D0 (en) 2005-12-16 2006-01-25 Cxr Ltd X-ray tomography inspection systems
GB0309383D0 (en) 2003-04-25 2003-06-04 Cxr Ltd X-ray tube electron sources
US9113839B2 (en) 2003-04-25 2015-08-25 Rapiscon Systems, Inc. X-ray inspection system and method
GB0309387D0 (en) * 2003-04-25 2003-06-04 Cxr Ltd X-Ray scanning
US10483077B2 (en) 2003-04-25 2019-11-19 Rapiscan Systems, Inc. X-ray sources having reduced electron scattering
US8223919B2 (en) 2003-04-25 2012-07-17 Rapiscan Systems, Inc. X-ray tomographic inspection systems for the identification of specific target items
US9208988B2 (en) 2005-10-25 2015-12-08 Rapiscan Systems, Inc. Graphite backscattered electron shield for use in an X-ray tube
GB0309379D0 (en) * 2003-04-25 2003-06-04 Cxr Ltd X-ray scanning
US8094784B2 (en) 2003-04-25 2012-01-10 Rapiscan Systems, Inc. X-ray sources
US8451974B2 (en) 2003-04-25 2013-05-28 Rapiscan Systems, Inc. X-ray tomographic inspection system for the identification of specific target items
GB0309371D0 (en) * 2003-04-25 2003-06-04 Cxr Ltd X-Ray tubes
GB0309374D0 (en) * 2003-04-25 2003-06-04 Cxr Ltd X-ray sources
US7949101B2 (en) 2005-12-16 2011-05-24 Rapiscan Systems, Inc. X-ray scanners and X-ray sources therefor
GB0812864D0 (en) 2008-07-15 2008-08-20 Cxr Ltd Coolign anode
US6928141B2 (en) 2003-06-20 2005-08-09 Rapiscan, Inc. Relocatable X-ray imaging system and method for inspecting commercial vehicles and cargo containers
DE10345073A1 (de) * 2003-09-26 2005-05-04 Siemens Ag Betriebsverfahren für ein tomographiefähiges bildgebendes Untersuchungsgeräts und Röntgen-Computertomographiegerät
DE10356601B4 (de) * 2003-12-04 2008-11-27 Forschungszentrum Dresden - Rossendorf E.V. Vorrichtung zur Röntgentomographie mit einem elektromagnetisch abgelenkten Elektronenstrahl
DE102004003532A1 (de) 2004-01-23 2005-08-18 Siemens Ag Verfahren zur Lagebestimmung dreidimensionaler Strukturen eines Patienten mit Hilfe eines Computertomographen
US7471764B2 (en) 2005-04-15 2008-12-30 Rapiscan Security Products, Inc. X-ray imaging system having improved weather resistance
US9046465B2 (en) 2011-02-24 2015-06-02 Rapiscan Systems, Inc. Optimization of the source firing pattern for X-ray scanning systems
DE102005061559A1 (de) 2005-12-22 2007-07-05 Siemens Ag Verfahren zum Betreiben eines Röntgen-Computertomographen
DE102006003829A1 (de) 2006-01-26 2007-08-16 Siemens Ag Röntgen-Computertomograf und Verfahren zum Betreiben eines Röntgen-Computertomografen
EP1883093B1 (de) * 2006-07-28 2011-11-16 Jan Forster Computertomograph
US7639785B2 (en) * 2007-02-21 2009-12-29 L-3 Communications Corporation Compact scanned electron-beam x-ray source
US7847275B2 (en) 2007-05-24 2010-12-07 Pcure Ltd. Method and apparatus for teletherapy positioning and validation
EP2152165A1 (en) 2007-05-24 2010-02-17 P-cure Ltd. Irradiation treatment apparatus and method
GB0803644D0 (en) 2008-02-28 2008-04-02 Rapiscan Security Products Inc Scanning systems
GB0803641D0 (en) 2008-02-28 2008-04-02 Rapiscan Security Products Inc Scanning systems
GB0809110D0 (en) 2008-05-20 2008-06-25 Rapiscan Security Products Inc Gantry scanner systems
GB0816823D0 (en) 2008-09-13 2008-10-22 Cxr Ltd X-ray tubes
GB0901338D0 (en) 2009-01-28 2009-03-11 Cxr Ltd X-Ray tube electron sources
US8755489B2 (en) 2010-11-11 2014-06-17 P-Cure, Ltd. Teletherapy location and dose distribution control system and method
US9218933B2 (en) 2011-06-09 2015-12-22 Rapidscan Systems, Inc. Low-dose radiographic imaging system
DE102012005767A1 (de) * 2012-03-25 2013-09-26 DüRR DENTAL AG Phasenkontrast-Röntgen-Tomographiegerät
BR112014013226B1 (pt) 2013-01-31 2021-08-24 Rapiscan Systems, Inc Sistema de inspeção de segurança portátil e método de implantação do mesmo
DE102013206252A1 (de) * 2013-04-09 2014-10-09 Helmholtz-Zentrum Dresden - Rossendorf E.V. Anordnung zur schnellen Elektronenstrahl-Röntgencomputertomographie
US10585206B2 (en) 2017-09-06 2020-03-10 Rapiscan Systems, Inc. Method and system for a multi-view scanner
DE202019001877U1 (de) * 2019-04-27 2020-07-28 Bec Gmbh Patientenbestrahlungseinrichtung
US11212902B2 (en) 2020-02-25 2021-12-28 Rapiscan Systems, Inc. Multiplexed drive systems and methods for a multi-emitter X-ray source
US11551903B2 (en) 2020-06-25 2023-01-10 American Science And Engineering, Inc. Devices and methods for dissipating heat from an anode of an x-ray tube assembly
EP3933881A1 (en) 2020-06-30 2022-01-05 VEC Imaging GmbH & Co. KG X-ray source with multiple grids
US12230468B2 (en) 2022-06-30 2025-02-18 Varex Imaging Corporation X-ray system with field emitters and arc protection
US20240395491A1 (en) * 2023-05-22 2024-11-28 Nautilus Xray, Inc. Compact x-ray electron beam scan tube, system and method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2613809B2 (de) * 1976-03-31 1979-01-04 Siemens Ag, 1000 Berlin Und 8000 Muenchen Röntgenschichtgerät zur Herstellung von Transversal-Schichtbildern
GB1559138A (en) * 1977-02-02 1980-01-16 Emi Ltd Organisation of data for display
DE2932182A1 (de) * 1979-08-08 1981-02-26 Siemens Ag Schichtgeraet zur herstellung von transversalschichtbildern
DE8703190U1 (de) * 1987-03-02 1988-06-30 Siemens AG, 1000 Berlin und 8000 München Computertomograph
JPH0636793B2 (ja) * 1988-05-20 1994-05-18 株式会社東芝 Ｘ線ｃｔスキヤナ

Also Published As

Publication number Publication date
JPH04312450A (ja) 1992-11-04
DE4103588C1 (enExample) 1992-05-27
US5247556A (en) 1993-09-21

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