JP4502422B2 - 検出器及びマルチスライス型コンピュータ断層撮影システム - Google Patents

検出器及びマルチスライス型コンピュータ断層撮影システム Download PDF

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Publication number
JP4502422B2
JP4502422B2 JP20109599A JP20109599A JP4502422B2 JP 4502422 B2 JP4502422 B2 JP 4502422B2 JP 20109599 A JP20109599 A JP 20109599A JP 20109599 A JP20109599 A JP 20109599A JP 4502422 B2 JP4502422 B2 JP 4502422B2
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Japan
Prior art keywords
detector
collimator
scintillator array
gap
array
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Expired - Lifetime
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JP20109599A
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Japanese (ja)
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JP2000037377A (ja
JP2000037377A5 (enExample
Inventor
トーマス・ルイス・トス
アードガン・ガーメン
ビング・シェン
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General Electric Co
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General Electric Co
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    • 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
    • A61B6/06—Diaphragms
    • 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
    • A61B6/4085—Cone-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
    • A61B6/44—Constructional features of apparatus for radiation diagnosis
    • A61B6/4411—Constructional features of apparatus for radiation diagnosis the apparatus being modular
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/29—Measurement performed on radiation beams, e.g. position or section of the beam; Measurement of spatial distribution of radiation
    • G01T1/2914—Measurement of spatial distribution of radiation
    • G01T1/2985—In depth localisation, e.g. using positron emitters; Tomographic imaging (longitudinal and transverse section imaging; apparatus for radiation diagnosis sequentially in different planes, steroscopic radiation diagnosis)
    • 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

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biophysics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Optics & Photonics (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
JP20109599A 1998-07-17 1999-07-15 検出器及びマルチスライス型コンピュータ断層撮影システム Expired - Lifetime JP4502422B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/118,397 US6266434B1 (en) 1998-07-17 1998-07-17 Methods and apparatus for reducing spectral artifacts in a computed tomograph system
US09/118397 1998-07-17

Publications (3)

Publication Number Publication Date
JP2000037377A JP2000037377A (ja) 2000-02-08
JP2000037377A5 JP2000037377A5 (enExample) 2008-09-04
JP4502422B2 true JP4502422B2 (ja) 2010-07-14

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ID=22378327

Family Applications (1)

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JP20109599A Expired - Lifetime JP4502422B2 (ja) 1998-07-17 1999-07-15 検出器及びマルチスライス型コンピュータ断層撮影システム

Country Status (5)

Country Link
US (1) US6266434B1 (enExample)
EP (1) EP0973048B1 (enExample)
JP (1) JP4502422B2 (enExample)
DE (1) DE69936278T2 (enExample)
IL (1) IL130935A (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3961468B2 (ja) 2003-09-19 2007-08-22 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 放射線計算断層画像装置およびそれに用いる放射線検出器
US7086780B2 (en) * 2004-05-20 2006-08-08 General Electric Company Methods for spectrally calibrating CT imaging apparatus detectors
US7391844B2 (en) * 2005-01-14 2008-06-24 General Electric Company Method and apparatus for correcting for beam hardening in CT images
US20120056095A1 (en) * 2010-09-03 2012-03-08 Scott Metzler Collimation apparatus for high resolution imaging
US10610191B2 (en) 2017-07-06 2020-04-07 Prismatic Sensors Ab Managing geometric misalignment in x-ray imaging systems

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5093850A (en) * 1976-04-19 1992-03-03 General Electric Company Tomographic scanning apparatus
US4180737A (en) * 1978-02-06 1979-12-25 General Electric Company X-ray detector
US4392057A (en) * 1980-02-22 1983-07-05 National Research Development Corporation Position-sensitive radiation detector
EP0208225B1 (de) * 1985-07-12 1990-03-28 Siemens Aktiengesellschaft Röntgendetektorsystem
JPH01305930A (ja) * 1988-06-04 1989-12-11 Toshiba Corp Ｃｔスキヤナ用放射線検出器
US5168532A (en) * 1990-07-02 1992-12-01 Varian Associates, Inc. Method for improving the dynamic range of an imaging system
JP3197559B2 (ja) * 1990-07-02 2001-08-13 バリアン・メディカル・システムズ・インコーポレイテッド 画像増強検出器を使用するコンピュータｘ線断層撮影装置
JPH05256950A (ja) * 1992-03-13 1993-10-08 Toshiba Corp Ｘ線コンピュータトモグラフィ装置用固体検出器
US5335255A (en) * 1992-03-24 1994-08-02 Seppi Edward J X-ray scanner with a source emitting plurality of fan beams
US5684855A (en) * 1995-02-16 1997-11-04 Kabushiki Kaisha Toshiba X-ray CT scanner
JP3549169B2 (ja) * 1995-03-10 2004-08-04 株式会社日立メディコ Ｘ線ｃｔ装置
US5961457A (en) * 1996-05-03 1999-10-05 The Regents Of The University Of Michigan Method and apparatus for radiopharmaceutical-guided biopsy
JPH10104359A (ja) * 1996-09-30 1998-04-24 Shimadzu Corp Ｘ線ｃｔ装置用検出器の製造方法
US5812629A (en) * 1997-04-30 1998-09-22 Clauser; John F. Ultrahigh resolution interferometric x-ray imaging
US5903008A (en) * 1997-07-02 1999-05-11 General Electric Company Scatter correction methods and systems in single photon emission computed tomography
US5970113A (en) * 1997-10-10 1999-10-19 Analogic Corporation Computed tomography scanning apparatus and method with temperature compensation for dark current offsets
US6115448A (en) 1997-11-26 2000-09-05 General Electric Company Photodiode array for a scalable multislice scanning computed tomography system
JPH11295432A (ja) * 1998-04-15 1999-10-29 Shimadzu Corp Ｃｔ用固体検出器

Also Published As

Publication number Publication date
IL130935A (en) 2004-08-31
JP2000037377A (ja) 2000-02-08
EP0973048B1 (en) 2007-06-13
EP0973048A2 (en) 2000-01-19
US6266434B1 (en) 2001-07-24
DE69936278T2 (de) 2008-02-14
IL130935A0 (en) 2001-01-28
DE69936278D1 (de) 2007-07-26
EP0973048A3 (en) 2002-07-31

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