JP5727277B2 - Ｘ線ｃｔ装置 - Google Patents

Ｘ線ｃｔ装置 Download PDF

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Publication number
JP5727277B2
JP5727277B2 JP2011084129A JP2011084129A JP5727277B2 JP 5727277 B2 JP5727277 B2 JP 5727277B2 JP 2011084129 A JP2011084129 A JP 2011084129A JP 2011084129 A JP2011084129 A JP 2011084129A JP 5727277 B2 JP5727277 B2 JP 5727277B2
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Japan
Prior art keywords
ray
pitch
focal point
helical
helical scan
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JP2011084129A
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English (en)
Japanese (ja)
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JP2011229906A5 (enExample
JP2011229906A (ja
Inventor
博明 宮崎
博明 宮崎
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Toshiba Corp
Canon Medical Systems Corp
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Toshiba Corp
Toshiba Medical Systems Corp
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Priority to JP2011084129A priority Critical patent/JP5727277B2/ja
Priority to US13/081,022 priority patent/US8792610B2/en
Publication of JP2011229906A publication Critical patent/JP2011229906A/ja
Publication of JP2011229906A5 publication Critical patent/JP2011229906A5/ja
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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
    • A61B6/40—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
    • 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
    • A61B6/5282—Devices using data or image processing specially adapted for radiation diagnosis involving detection or reduction of artifacts or noise due to scatter

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Engineering & Computer Science (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
JP2011084129A 2010-04-06 2011-04-06 Ｘ線ｃｔ装置 Active JP5727277B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2011084129A JP5727277B2 (ja) 2010-04-06 2011-04-06 Ｘ線ｃｔ装置
US13/081,022 US8792610B2 (en) 2010-04-06 2011-04-06 Method and apparatus for X-ray CT imaging

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2010088075 2010-04-06
JP2010088075 2010-04-06
JP2011084129A JP5727277B2 (ja) 2010-04-06 2011-04-06 Ｘ線ｃｔ装置

Publications (3)

Publication Number Publication Date
JP2011229906A JP2011229906A (ja) 2011-11-17
JP2011229906A5 JP2011229906A5 (enExample) 2014-03-20
JP5727277B2 true JP5727277B2 (ja) 2015-06-03

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ID=44709687

Family Applications (1)

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JP2011084129A Active JP5727277B2 (ja) 2010-04-06 2011-04-06 Ｘ線ｃｔ装置

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US (1) US8792610B2 (enExample)
JP (1) JP5727277B2 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103961128B (zh) * 2013-03-03 2016-03-02 李宝生 变焦点锥形束ct成像设备
JP6466085B2 (ja) * 2013-05-27 2019-02-06 キヤノンメディカルシステムズ株式会社 Ｘ線ｃｔ装置及び画像診断装置
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
US9895124B2 (en) 2013-07-26 2018-02-20 Hitachi, Ltd. X-ray CT apparatus and image reconstruction method
JP6346284B2 (ja) * 2014-07-18 2018-06-20 株式会社日立製作所 Ｘ線ｃｔ装置、および、ｘ線ｃｔ画像の撮影方法
CN106488744B (zh) 2014-07-28 2019-09-24 株式会社日立制作所 X射线拍摄装置以及图像重建方法
CN110176047B (zh) * 2019-06-03 2022-12-06 上海联影医疗科技股份有限公司 一种提高ct图像质量的方法和系统
CN113017663B (zh) * 2021-01-28 2024-01-16 明峰医疗系统股份有限公司 一种ct扫描数据采集方法及系统、ct扫描仪

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3168824B2 (ja) * 1994-04-30 2001-05-21 株式会社島津製作所 Ｘ線ｃｔ装置
JPH0810251A (ja) * 1994-06-28 1996-01-16 Hitachi Medical Corp Ｘ線断層撮影方法および装置
EP1006878B1 (en) * 1997-02-20 2007-04-04 Picker Medical Systems, Ltd. Real-time dynamic image reconstruction
JP2007282740A (ja) * 2006-04-14 2007-11-01 Hitachi Medical Corp Ｘ線ｃｔ装置
EP2036498A1 (en) * 2006-06-22 2009-03-18 Tohoku University X-ray ct device, and image reconfiguration method and image reconfiguration program for the device
US8175218B2 (en) 2007-10-29 2012-05-08 Kabushiki Kaisha Toshiba Interpolation interlacing based data upsampling algorithm for cone-beam x-ray CT flying focal spot projection data
JP2010035812A (ja) 2008-08-05 2010-02-18 Toshiba Corp Ｘ線コンピュータ断層撮影装置

Also Published As

Publication number Publication date
US8792610B2 (en) 2014-07-29
JP2011229906A (ja) 2011-11-17
US20110243298A1 (en) 2011-10-06

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