JPH0725923Y2 - 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
JPH0725923Y2
JPH0725923Y2 JP1989119653U JP11965389U JPH0725923Y2 JP H0725923 Y2 JPH0725923 Y2 JP H0725923Y2 JP 1989119653 U JP1989119653 U JP 1989119653U JP 11965389 U JP11965389 U JP 11965389U JP H0725923 Y2 JPH0725923 Y2 JP H0725923Y2
Authority
JP
Japan
Prior art keywords
ray
detector
detector array
scattered radiation
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.)
Expired - Lifetime
Application number
JP1989119653U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0258413U (en]
Inventor
クラウス、クリンゲンベツク
Original Assignee
シーメンス、アクチエンゲゼルシヤフト
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 シーメンス、アクチエンゲゼルシヤフト filed Critical シーメンス、アクチエンゲゼルシヤフト
Publication of JPH0258413U publication Critical patent/JPH0258413U/ja
Application granted granted Critical
Publication of JPH0725923Y2 publication Critical patent/JPH0725923Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • A61B6/48—Diagnostic techniques
    • A61B6/483—Diagnostic techniques involving scattered radiation
    • 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]
    • 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
    • A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
    • A61B6/4291—Arrangements for detecting radiation specially adapted for radiation diagnosis the detector being combined with a grid or grating

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Public Health (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Toxicology (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
JP1989119653U 1988-10-17 1989-10-12 コンピュータトモグラフ Expired - Lifetime JPH0725923Y2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP88117262A EP0364613B1 (de) 1988-10-17 1988-10-17 Verfahrenzum Betrieb eines Computertomographen
EP88117262.1 1988-10-17

Publications (2)

Publication Number Publication Date
JPH0258413U JPH0258413U (en]) 1990-04-26
JPH0725923Y2 true JPH0725923Y2 (ja) 1995-06-14

Family

ID=8199466

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989119653U Expired - Lifetime JPH0725923Y2 (ja) 1988-10-17 1989-10-12 コンピュータトモグラフ

Country Status (4)

Country Link
US (1) US4995107A (en])
EP (1) EP0364613B1 (en])
JP (1) JPH0725923Y2 (en])
DE (1) DE3886753D1 (en])

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5386819A (en) * 1990-03-29 1995-02-07 Olympus Optical Co., Ltd. Method and apparatus for inhibiting a scattered component in a light having passed through an examined object
US5400379A (en) * 1994-02-25 1995-03-21 General Electric Company Multi-slice x-ray CT using a detector mask
JP2825450B2 (ja) * 1994-12-06 1998-11-18 株式会社東芝 Ｃｔスキャナ
US5590169A (en) * 1995-01-09 1996-12-31 Monteiro; Sergio L. P. Radiation imaging system
DE19721535C2 (de) * 1997-05-22 2001-09-06 Siemens Ag Röntgen-Computertomograph zur Erzeugung von Röntgenschattenbildern
EP1107260B1 (de) * 1999-11-30 2008-10-15 Philips Intellectual Property & Standards GmbH Gitter zur Absorption von Röntgenstrahlen
DE10009285A1 (de) * 2000-02-28 2001-08-30 Philips Corp Intellectual Pty Computertomograph zur Ermittlung des Impulsübertrags-Spektrums in einem Untersuchungsbereich
DE10047720A1 (de) * 2000-09-27 2002-04-11 Philips Corp Intellectual Pty Vorrichtung und Verfahren zur Erzeugung eines Röntgen-Computertomogramms mit einer Streustrahlungskorrektur
DE10055739B4 (de) * 2000-11-10 2006-04-27 Siemens Ag Streustrahlungskorrekturverfahren für eine Röntgen-Computertomographieeinrichtung
US6457861B1 (en) * 2000-11-15 2002-10-01 Ge Medical Systems Global Technology Company, Llc Method and apparatus for correcting electronic offset and gain variations in a solid state X-ray detector
DE60222768T2 (de) * 2001-04-03 2008-07-17 Koninklijke Philips Electronics N.V. Computertomograph
EP1408835A2 (en) 2001-07-25 2004-04-21 Dentsply International, Inc. Real-time digital x-ray imaging apparatus
DE10143131B4 (de) * 2001-09-03 2006-03-09 Siemens Ag Verfahren zur Ermittlung von Dichte- und Ordnungszahlverteilungen bei radiographischen Untersuchungsverfahren
US6879657B2 (en) * 2002-05-10 2005-04-12 Ge Medical Systems Global Technology, Llc Computed tomography system with integrated scatter detectors
CA2491759A1 (en) 2002-07-25 2004-02-19 Gendex Corporation Real-time digital x-ray imaging apparatus and method
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
JP3942178B2 (ja) * 2003-07-29 2007-07-11 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 Ｘ線ｃｔシステム
JP3999179B2 (ja) * 2003-09-09 2007-10-31 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 放射線断層撮影装置
US20070127621A1 (en) * 2003-10-14 2007-06-07 Michael Grass Asymmetric csct
US7660381B2 (en) * 2004-11-23 2010-02-09 Koninklijke Philips Electronics N.V. Scatter compensation in an X-ray system
DE102005021062A1 (de) * 2005-05-06 2006-11-09 Siemens Ag Verfahren zur Streustrahlungskorrektur bei Röntgenuntersuchungen mit einem flächigen elektronischen Vielzeilendetektor und Röntgenanlage zur Durchführung des Verfahrens
JP2007000408A (ja) * 2005-06-24 2007-01-11 Ge Medical Systems Global Technology Co Llc Ｘ線ｃｔ装置
DE102005043050A1 (de) * 2005-09-09 2007-03-22 Siemens Ag Kalibrierverfahren und Korrekturverfahren für eine Röntgeneinrichtung sowie eine Röntgeneinrichtung zur Ausführung eines derartigen Kalibrier-bzw. Korrekturverfahrens
US8009794B2 (en) * 2008-01-30 2011-08-30 Varian Medical Systems, Inc. Methods, apparatus, and computer-program products for increasing accuracy in cone-beam computed tomography
EP2276408B1 (en) * 2008-05-08 2019-07-10 Arineta Ltd. X ray imaging system with scatter radiation correction and method of using same
CN102037495A (zh) * 2008-05-21 2011-04-27 皇家飞利浦电子股份有限公司 用于散射校正的方法和设备
RU2534612C2 (ru) * 2009-05-28 2014-11-27 Конинклейке Филипс Электроникс Н.В. Система визуализации с массивом из множества детекторов
JP6289223B2 (ja) * 2013-04-04 2018-03-07 キヤノンメディカルシステムズ株式会社 Ｘ線コンピュータ断層撮影装置
US11779296B2 (en) * 2020-03-20 2023-10-10 Canon Medical Systems Corporation Photon counting detector based edge reference detector design and calibration method for small pixelated photon counting CT apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2249517B1 (en]) * 1973-10-30 1976-10-01 Thomson Csf
DE2642846A1 (de) * 1976-09-23 1978-03-30 Siemens Ag Roentgenschichtgeraet zur herstellung von transversalschichtbildern
DE2717349A1 (de) * 1977-04-19 1978-10-26 Siemens Ag Roentgenschichtgeraet zur herstellung von transversalschichtbildern
DE2744226C2 (de) * 1977-09-30 1985-06-27 Siemens AG, 1000 Berlin und 8000 München Schichtgerät zur Herstellung von Transversalschichtbildern

Also Published As

Publication number Publication date
EP0364613A1 (de) 1990-04-25
JPH0258413U (en]) 1990-04-26
US4995107A (en) 1991-02-19
DE3886753D1 (de) 1994-02-10
EP0364613B1 (de) 1993-12-29

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