JP3836931B2 - 照射範囲限定式x線ct装置 - Google Patents

照射範囲限定式x線ct装置 Download PDF

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Publication number
JP3836931B2
JP3836931B2 JP05754097A JP5754097A JP3836931B2 JP 3836931 B2 JP3836931 B2 JP 3836931B2 JP 05754097 A JP05754097 A JP 05754097A JP 5754097 A JP5754097 A JP 5754097A JP 3836931 B2 JP3836931 B2 JP 3836931B2
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JP
Japan
Prior art keywords
ray
collimator
region
transmission data
interest
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
JP05754097A
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English (en)
Japanese (ja)
Other versions
JPH10248835A (ja
JPH10248835A5 (enrdf_load_stackoverflow
Inventor
宮崎  靖
哲夫 中澤
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.)
Hitachi Healthcare Manufacturing Ltd
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Hitachi Medical 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.)
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Publication date
Application filed by Hitachi Medical Corp filed Critical Hitachi Medical Corp
Priority to JP05754097A priority Critical patent/JP3836931B2/ja
Priority to US09/380,824 priority patent/US6445761B1/en
Priority to PCT/JP1998/001004 priority patent/WO1998040013A1/ja
Priority to DE69826872T priority patent/DE69826872T2/de
Priority to EP98907164A priority patent/EP1008325B1/en
Publication of JPH10248835A publication Critical patent/JPH10248835A/ja
Publication of JPH10248835A5 publication Critical patent/JPH10248835A5/ja
Application granted granted Critical
Publication of JP3836931B2 publication Critical patent/JP3836931B2/ja
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Expired - Fee Related legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/027Arrangements 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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  • Apparatus For Radiation Diagnosis (AREA)
JP05754097A 1997-03-12 1997-03-12 照射範囲限定式x線ct装置 Expired - Fee Related JP3836931B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP05754097A JP3836931B2 (ja) 1997-03-12 1997-03-12 照射範囲限定式x線ct装置
US09/380,824 US6445761B1 (en) 1997-03-12 1998-03-11 X-ray computerized tomograph including collimator that restricts irradiation range of X-ray fan beam
PCT/JP1998/001004 WO1998040013A1 (fr) 1997-03-12 1998-03-11 Tomographe assiste par ordinateur, dote d'un collimateur qui restreint la portee d'irradiation d'un faisceau de rayons x en eventail
DE69826872T DE69826872T2 (de) 1997-03-12 1998-03-11 Rechnergestützter röntgentomograph mit den bestrahlungsbereichs eines röntgenfächerstrahls begrenzendem kollimator
EP98907164A EP1008325B1 (en) 1997-03-12 1998-03-11 X-ray computerized tomograph having collimator which restricts the irradiation range of x-ray fan beam

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP05754097A JP3836931B2 (ja) 1997-03-12 1997-03-12 照射範囲限定式x線ct装置

Publications (3)

Publication Number Publication Date
JPH10248835A JPH10248835A (ja) 1998-09-22
JPH10248835A5 JPH10248835A5 (enrdf_load_stackoverflow) 2005-01-20
JP3836931B2 true JP3836931B2 (ja) 2006-10-25

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ID=13058606

Family Applications (1)

Application Number Title Priority Date Filing Date
JP05754097A Expired - Fee Related JP3836931B2 (ja) 1997-03-12 1997-03-12 照射範囲限定式x線ct装置

Country Status (1)

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JP (1) JP3836931B2 (enrdf_load_stackoverflow)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6418183B1 (en) * 2000-12-28 2002-07-09 Ge Medical Systems Global Technology Company, Llp Methods and apparatus for two-pass CT imaging
JP2004180715A (ja) * 2002-11-29 2004-07-02 Toshiba Corp X線コンピュータ断層撮影装置
US6934353B2 (en) * 2003-10-01 2005-08-23 Ge Medical Systems Global Technology Company, Llc Methods, apparatus, and computer readable mediums for performing perfusion studies
JP4619704B2 (ja) * 2004-06-30 2011-01-26 株式会社東芝 X線コンピュータ断層撮影装置
JP4679348B2 (ja) * 2005-11-22 2011-04-27 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装置
JP5269358B2 (ja) 2007-07-18 2013-08-21 株式会社東芝 X線ct装置
JP4740348B2 (ja) * 2009-02-10 2011-08-03 株式会社東芝 X線診断装置
US8649479B2 (en) * 2010-11-22 2014-02-11 General Electric Company System and method for breast imaging using X-ray computed tomography
JP6097285B2 (ja) * 2011-07-04 2017-03-15 コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. スキャン運動と同期する領域制限装置
JP6169831B2 (ja) * 2012-08-27 2017-07-26 東芝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
JP6571313B2 (ja) * 2013-05-28 2019-09-04 キヤノンメディカルシステムズ株式会社 医用画像診断装置及び制御方法
CN110327069B (zh) * 2019-07-01 2023-05-05 赛诺威盛科技(北京)股份有限公司 一种缩小ct螺旋扫描范围的方法
JP2023183108A (ja) * 2022-06-15 2023-12-27 国立大学法人 筑波大学 インテリアctの画像再構成方法、画像再構成装置、及び、プログラム

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Publication number Publication date
JPH10248835A (ja) 1998-09-22

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