JP4726287B2 - マルチスライスｘ線ｃｔ装置 - Google Patents

マルチスライスｘ線ｃｔ装置 Download PDF

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Publication number
JP4726287B2
JP4726287B2 JP2000298888A JP2000298888A JP4726287B2 JP 4726287 B2 JP4726287 B2 JP 4726287B2 JP 2000298888 A JP2000298888 A JP 2000298888A JP 2000298888 A JP2000298888 A JP 2000298888A JP 4726287 B2 JP4726287 B2 JP 4726287B2
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Japan
Prior art keywords
slice
detector
projection data
weight
ray
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Expired - Lifetime
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JP2000298888A
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English (en)
Japanese (ja)
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JP2001346794A (ja
JP2001346794A5 (enExample
Inventor
靖 宮崎
大雅 後藤
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Hitachi Healthcare Manufacturing Ltd
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Hitachi Medical Corp
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Publication date
Application filed by Hitachi Medical Corp filed Critical Hitachi Medical Corp
Priority to JP2000298888A priority Critical patent/JP4726287B2/ja
Priority to PCT/JP2000/007271 priority patent/WO2001028425A1/ja
Priority to US10/111,170 priority patent/US6826251B1/en
Publication of JP2001346794A publication Critical patent/JP2001346794A/ja
Publication of JP2001346794A5 publication Critical patent/JP2001346794A5/ja
Application granted granted Critical
Publication of JP4726287B2 publication Critical patent/JP4726287B2/ja
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Expired - Lifetime legal-status Critical Current

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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
    • A61B6/02—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

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Optics & Photonics (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Public Health (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (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)
  • Apparatus For Radiation Diagnosis (AREA)
JP2000298888A 1999-10-20 2000-09-29 マルチスライスｘ線ｃｔ装置 Expired - Lifetime JP4726287B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2000298888A JP4726287B2 (ja) 1999-10-20 2000-09-29 マルチスライスｘ線ｃｔ装置
PCT/JP2000/007271 WO2001028425A1 (en) 1999-10-20 2000-10-19 Multislice x-ray ct apparatus
US10/111,170 US6826251B1 (en) 1999-10-20 2000-10-19 Multislice X-ray CT apparatus

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP1999298351 1999-10-20
JP29835199 1999-10-20
JP2000102504 2000-04-04
JP11-298351 2000-04-04
JP2000-102504 2000-04-04
JP2000102504 2000-04-04
JP2000298888A JP4726287B2 (ja) 1999-10-20 2000-09-29 マルチスライスｘ線ｃｔ装置

Publications (3)

Publication Number Publication Date
JP2001346794A JP2001346794A (ja) 2001-12-18
JP2001346794A5 JP2001346794A5 (enExample) 2007-11-15
JP4726287B2 true JP4726287B2 (ja) 2011-07-20

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Family Applications (1)

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JP2000298888A Expired - Lifetime JP4726287B2 (ja) 1999-10-20 2000-09-29 マルチスライスｘ線ｃｔ装置

Country Status (3)

Country Link
US (1) US6826251B1 (enExample)
JP (1) JP4726287B2 (enExample)
WO (1) WO2001028425A1 (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4025530B2 (ja) * 2001-10-24 2007-12-19 株式会社日立メディコ Ｘ線ｃｔ装置
US6522714B1 (en) * 2001-11-09 2003-02-18 Ge Medical Systems Global Technologies Company Llc Row-wise full helical view weighting method and apparatus for CT scanners
JP4056922B2 (ja) * 2003-04-21 2008-03-05 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
WO2005027051A1 (en) * 2003-09-18 2005-03-24 Philips Intellectual Property & Standards Gmbh Imaging process and device
JP4091008B2 (ja) * 2004-03-09 2008-05-28 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 Ｃｔ画像生成方法およびｘ線ｃｔ装置
DE102004020861B4 (de) * 2004-04-28 2009-10-01 Siemens Ag Verfahren zur Rekonstruktion von Projektionsdatensätzen bei Dosis-reduzierter abschnittsweiser spiralförmiger Abtastung in der Computertomographie
KR100687846B1 (ko) * 2005-01-21 2007-02-27 경희대학교 산학협력단 국부 고해상도 엑스선 단층 영상 재구성 방법 및 국부고해상도 엑스선 단층 영상 재구성 장치
US7242749B2 (en) * 2005-11-15 2007-07-10 General Electric Company Methods and systems for dynamic pitch helical scanning
US7269244B2 (en) * 2006-01-25 2007-09-11 General Electric Company Methods and apparatus for generating thick images in cone beam volumetric CT
JP5872212B2 (ja) * 2011-09-08 2016-03-01 株式会社東芝 マルチスライスｃｔ装置及びデータ前処理方法
JP6280851B2 (ja) * 2014-09-30 2018-02-14 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及びプログラム

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2825446B2 (ja) * 1993-09-06 1998-11-18 株式会社東芝 Ｘ線コンピュータトモグラフィ装置
JP2914891B2 (ja) * 1995-07-05 1999-07-05 株式会社東芝 Ｘ線コンピュータ断層撮影装置
JP3204886B2 (ja) * 1995-10-24 2001-09-04 ジーイー横河メディカルシステム株式会社 Ｘ線ｃｔ装置
JP3455041B2 (ja) * 1995-12-25 2003-10-06 株式会社東芝 Ｘ線ｃｔ装置
US5974108A (en) * 1995-12-25 1999-10-26 Kabushiki Kaisha Toshiba X-ray CT scanning apparatus
JP3913798B2 (ja) * 1996-01-09 2007-05-09 株式会社東芝 画像再構成処理装置
JP3851689B2 (ja) * 1996-09-09 2006-11-29 株式会社東芝 画像再構成処理装置
JP4155529B2 (ja) * 1997-02-17 2008-09-24 株式会社東芝 Ｘ線ｃｔ装置
DE19832275B4 (de) * 1998-07-17 2006-09-14 Siemens Ag Verfahren zur Rekonstruktion von Bildern aus mittels eines CT-Gerätes durch Spiralabtastung des Untersuchungsobjekts gewonnenen Meßwerten und CT-Gerät zur Durchführung des Verfahrens
DE19832276C2 (de) * 1998-07-17 2002-10-24 Siemens Ag Verfahren zur Rekonstruktion von aus mittels eines CT-Gerätes durch Spiralabtastung gewonnenen Meßwerten
JP3277167B2 (ja) * 1998-12-22 2002-04-22 株式会社東芝 Ｘ線コンピュータ断層撮影装置
JP4406106B2 (ja) * 1999-02-04 2010-01-27 株式会社東芝 Ｘ線ｃｔ装置
US6584166B2 (en) * 2001-04-03 2003-06-24 Kabushiki Kaisha Toshiba X-ray computerized tomographic apparatus

Also Published As

Publication number Publication date
US6826251B1 (en) 2004-11-30
JP2001346794A (ja) 2001-12-18
WO2001028425A1 (en) 2001-04-26

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