DE19581492T1 - Röntgenstrahl-Tomographiesystem und Verfahren zur Verbesserung der Qualität eines abgetasteten Bildes - Google Patents

Röntgenstrahl-Tomographiesystem und Verfahren zur Verbesserung der Qualität eines abgetasteten Bildes

Info

Publication number
DE19581492T1
DE19581492T1 DE19581492T DE19581492T DE19581492T1 DE 19581492 T1 DE19581492 T1 DE 19581492T1 DE 19581492 T DE19581492 T DE 19581492T DE 19581492 T DE19581492 T DE 19581492T DE 19581492 T1 DE19581492 T1 DE 19581492T1
Authority
DE
Germany
Prior art keywords
improving
quality
scanned image
tomography system
ray tomography
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.)
Ceased
Application number
DE19581492T
Other languages
English (en)
Inventor
Bernhard Gordon
John Dobbs
David Banks
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.)
Analogic Corp
Original Assignee
Analogic Corp
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 Analogic Corp filed Critical Analogic Corp
Publication of DE19581492T1 publication Critical patent/DE19581492T1/de
Ceased 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
    • A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4064—Arrangements for generating radiation specially adapted for radiation diagnosis specially adapted for producing a particular type of beam
    • A61B6/4078—Fan-beams
    • 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
    • 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
    • A61B6/4411—Constructional features of apparatus for radiation diagnosis the apparatus being modular
    • 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
    • A61B6/4452—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 able to move relative to each other
    • 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
    • A61B6/52—Devices using data or image processing specially adapted for radiation diagnosis
    • A61B6/5258—Devices using data or image processing specially adapted for radiation diagnosis involving detection or reduction of artifacts or noise
    • A61B6/5264—Devices using data or image processing specially adapted for radiation diagnosis involving detection or reduction of artifacts or noise due to motion
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
    • G01N23/046—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/40—Imaging
    • G01N2223/419—Imaging computed tomograph

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Public Health (AREA)
  • Optics & Photonics (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
DE19581492T 1994-02-03 1995-02-02 Röntgenstrahl-Tomographiesystem und Verfahren zur Verbesserung der Qualität eines abgetasteten Bildes Ceased DE19581492T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US19142894A 1994-02-03 1994-02-03
PCT/US1995/001377 WO1995021515A1 (en) 1994-02-03 1995-02-02 X-ray tomography system for and method of improving the quality of a scanned image

Publications (1)

Publication Number Publication Date
DE19581492T1 true DE19581492T1 (de) 1997-06-19

Family

ID=22705477

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19581492T Ceased DE19581492T1 (de) 1994-02-03 1995-02-02 Röntgenstrahl-Tomographiesystem und Verfahren zur Verbesserung der Qualität eines abgetasteten Bildes

Country Status (9)

Country Link
US (1) US5768331A (de)
JP (1) JP3135923B2 (de)
KR (1) KR100198515B1 (de)
CN (1) CN1144032A (de)
AU (1) AU1870095A (de)
BR (1) BR9506704A (de)
DE (1) DE19581492T1 (de)
NL (1) NL9520009A (de)
WO (1) WO1995021515A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010005635A1 (de) * 2010-01-25 2011-07-28 Siemens Aktiengesellschaft, 80333 Verbesserte CT-Aufnahmen für Untersuchungen stark schwächender Untersuchungsobjekte

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9316745D0 (en) 1993-08-12 1993-09-29 Medeva Holdings Bv Vaccine compositions
IL119033A0 (en) * 1996-08-07 1996-11-14 Elscint Ltd Multi-slice detector array
NL1012641C2 (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.
WO1999001736A2 (en) * 1997-07-01 1999-01-14 Analogic Corporation Improved helical scan computed tomography detector geometry
US6748046B2 (en) * 2000-12-06 2004-06-08 Teradyne, Inc. Off-center tomosynthesis
US6480572B2 (en) 2001-03-09 2002-11-12 Koninklijke Philips Electronics N.V. Dual filament, electrostatically controlled focal spot for x-ray tubes
US6535572B2 (en) * 2001-06-15 2003-03-18 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for compensating computed tomographic channel ganging artifacts
JP4409223B2 (ja) * 2003-07-24 2010-02-03 東芝医用システムエンジニアリング株式会社 Ｘ線ｃｔ装置及びｘ線ｃｔ用逆投影演算方法
US7388941B2 (en) * 2003-08-07 2008-06-17 Xoran Technologies, Inc. CT extremity scanner
CN101059455B (zh) * 2006-04-21 2011-06-08 Ge医疗系统环球技术有限公司 X射线检测装置和x射线成像装置
US7676073B2 (en) * 2006-08-29 2010-03-09 Siemens Medical Solutions Usa, Inc. System and method for reducing circular artifacts in tomographic imaging
JP4852451B2 (ja) * 2007-03-16 2012-01-11 株式会社リガク 周期的運動の同期撮影装置および周期的運動の同期撮影方法
CN101470086B (zh) * 2007-12-29 2012-11-28 清华大学 探测器装置及具有该探测器装置的ct检查系统
CN102177430B (zh) * 2008-10-10 2014-04-02 皇家飞利浦电子股份有限公司 使用经移位的几何结构改进ct图像采集的方法和设备
DE11173533T8 (de) 2010-07-14 2013-04-25 Xcounter Ab Computertomografie-Abtastsystem und Verfahren
WO2012050742A1 (en) * 2010-10-15 2012-04-19 American Science And Engineering, Inc. Remotely-aligned arcuate detector array for high energy x-ray imaging
JP5815488B2 (ja) * 2012-08-28 2015-11-17 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 放射線検出装置および放射線撮影装置
WO2014037770A1 (en) * 2012-09-07 2014-03-13 Trophy Apparatus for partial ct imaging
GB201405862D0 (en) * 2014-04-01 2014-05-14 Johnson Matthey Plc Apparatus and method for scanning a structure and collimator therefor
EP3586752A4 (de) * 2017-02-27 2020-12-16 Nanovision Technology (Beijing) Co., Ltd. An anforderungen eines grossen sichtfeldes anpassbares statisches echtzeit-ct-bildgebungssystem und bildgebungsverfahren

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4224249A1 (de) * 1991-07-24 1993-01-28 Elscint Ltd Mehrfachscheiben-computertomographie-abtastsystem

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4048505A (en) * 1974-07-17 1977-09-13 E M I Limited Radiography
DE2723401A1 (de) * 1977-05-24 1978-12-07 Siemens Ag Schichtgeraet zur herstellung von transversalschichtbildern
US4689809A (en) * 1982-11-23 1987-08-25 Elscint, Inc. X-ray tube having an adjustable focal spot
JPH0799539B2 (ja) * 1985-09-30 1995-10-25 ジーイー横河メディカルシステム株式会社 放射線断層撮影装置
DE3542127A1 (de) * 1985-11-28 1987-06-04 Siemens Ag Roentgenstrahler
DE3728878A1 (de) * 1987-08-29 1989-03-09 Philips Patentverwaltung Roentgengeraet fuer schlitzradiografie
IL91119A0 (en) * 1989-07-26 1990-03-19 Elscint Ltd Arrangement for controlling focal spot position in x-ray tubes
DE4100297A1 (de) * 1991-01-08 1992-07-09 Philips Patentverwaltung Roentgenroehre
US5550886A (en) * 1994-11-22 1996-08-27 Analogic Corporation X-Ray focal spot movement compensation system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4224249A1 (de) * 1991-07-24 1993-01-28 Elscint Ltd Mehrfachscheiben-computertomographie-abtastsystem

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010005635A1 (de) * 2010-01-25 2011-07-28 Siemens Aktiengesellschaft, 80333 Verbesserte CT-Aufnahmen für Untersuchungen stark schwächender Untersuchungsobjekte
DE102010005635B4 (de) * 2010-01-25 2018-09-20 Siemens Healthcare Gmbh Verbesserte CT-Aufnahmen für Untersuchungen stark schwächender Untersuchungsobjekte

Also Published As

Publication number Publication date
JPH09508544A (ja) 1997-09-02
NL9520009A (nl) 1997-02-03
BR9506704A (pt) 1997-09-09
KR100198515B1 (ko) 1999-06-15
AU1870095A (en) 1995-08-21
US5768331A (en) 1998-06-16
WO1995021515A1 (en) 1995-08-10
CN1144032A (zh) 1997-02-26
JP3135923B2 (ja) 2001-02-19

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8125 Change of the main classification

Ipc: A61B 6/03

8607 Notification of search results after publication
8131 Rejection