WO2009063974A1 - Ｘ線ｃｔ撮影装置 - Google Patents

Ｘ線ｃｔ撮影装置 Download PDF

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Publication number
WO2009063974A1
WO2009063974A1 PCT/JP2008/070760 JP2008070760W WO2009063974A1 WO 2009063974 A1 WO2009063974 A1 WO 2009063974A1 JP 2008070760 W JP2008070760 W JP 2008070760W WO 2009063974 A1 WO2009063974 A1 WO 2009063974A1
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WIPO (PCT)
Prior art keywords
rotating shaft
subject
imaging
ray
support means
Prior art date
Application number
PCT/JP2008/070760
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English (en)
French (fr)
Inventor
Masakazu Suzuki
Takahiro Yoshimura
Makoto Honjo
Original Assignee
J. Morita Manufacturing Corporation
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Publication date
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Application filed by J. Morita Manufacturing Corporation filed Critical J. Morita Manufacturing Corporation
Priority to US12/734,656 priority Critical patent/US8300762B2/en
Priority to JP2009541186A priority patent/JP5539729B2/ja
Priority to EP08849970.2A priority patent/EP2210559B1/en
Publication of WO2009063974A1 publication Critical patent/WO2009063974A1/ja

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/58—Testing, adjusting or calibrating apparatus or devices for radiation diagnosis
    • A61B6/587—Alignment of source unit to detector unit
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/02—Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computerised tomographs
    • A61B6/032—Transmission computed tomography [CT]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/44—Constructional features of apparatus for radiation diagnosis
    • A61B6/4429—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units
    • A61B6/4435—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units the source unit and the detector unit being coupled by a rigid structure
    • A61B6/4441—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units the source unit and the detector unit being coupled by a rigid structure the rigid structure being a C-arm or U-arm
    • A61B6/51—

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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)

Abstract

　Ｘ線ＣＴ撮影において、Ｘ線発生器(11)と２次元のＸ線検出器(21)とを、被写体を挟んで対向させて配置して、旋回軸(32)により被写体の周囲に旋回させる。旋回軸支持部(61)と被写体保持手段(40)の少なくともいずれかは、Ｘ線発生器と２次元のＸ線検出器との支持手段(30)を被写体に対して相対的に移動する移動機構(42,65)を含む。オフセットスキャンＣＴ撮影時に、旋回軸による支持手段の旋回と、移動機構による旋回軸の相対的な２次元移動とが同時に行われる。この旋回軸の相対的な２次元移動においては、旋回軸の位置が、旋回軸と交差する平面において、ＣＴ撮影領域(51)の中心を外されてＣＴ撮影領域の中心を円の中心とする円軌道上を支持手段の旋回角度に応じて２次元移動される。これにより、被写体のより大きな関心領域のＣＴ撮影を可能とする。
PCT/JP2008/070760 2007-11-16 2008-11-14 Ｘ線ｃｔ撮影装置 WO2009063974A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US12/734,656 US8300762B2 (en) 2007-11-16 2008-11-14 X-ray CT imaging apparatus
JP2009541186A JP5539729B2 (ja) 2007-11-16 2008-11-14 Ｘ線ｃｔ撮影装置
EP08849970.2A EP2210559B1 (en) 2007-11-16 2008-11-14 X-ray ct imaging device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007298183 2007-11-16
JP2007-298183 2007-11-16

Publications (1)

Publication Number Publication Date
WO2009063974A1 true WO2009063974A1 (ja) 2009-05-22

Family

ID=40638820

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/070760 WO2009063974A1 (ja) 2007-11-16 2008-11-14 Ｘ線ｃｔ撮影装置

Country Status (4)

Country Link
US (1) US8300762B2 (ja)
EP (2) EP3117772B1 (ja)
JP (1) JP5539729B2 (ja)
WO (1) WO2009063974A1 (ja)

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JP2010259780A (ja) * 2009-04-07 2010-11-18 Asahi Roentgen Kogyo Kk Ｘ線ｃｔ撮影装置
JP2011025012A (ja) * 2009-06-22 2011-02-10 Morita Mfg Co Ltd 医療用ｘ線ｃｔ撮影装置
WO2011064449A1 (en) * 2009-11-25 2011-06-03 Planmeca Oy Computed tomography apparatus for odontology
JP2011161211A (ja) * 2010-01-13 2011-08-25 Asahi Roentgen Kogyo Kk 医療用ｘ線撮像装置
EP2364648A1 (en) * 2010-03-12 2011-09-14 J. Morita Manufacturing Corporation X-ray imaging apparatus
JP2012055683A (ja) * 2010-08-11 2012-03-22 Nihon Univ Ｘ線撮影装置
EP2446822A1 (en) * 2009-06-25 2012-05-02 The Yoshida Dental Mfg. Co., Ltd. X-ray photographing device
CN102711622A (zh) * 2009-11-25 2012-10-03 普兰梅卡有限公司 用于牙科的计算机断层摄影设备
US20120307960A1 (en) * 2010-01-13 2012-12-06 Choi Sung Il X-ray computed tomographic imaging apparatus and method for same
JP2012531287A (ja) * 2009-07-01 2012-12-10 パロデックス グループ オイ 歯科用ｘ線装置のための移動機構
EP2659838A1 (en) 2012-05-02 2013-11-06 J. Morita Manufacturing Corporation X-Ray CT photographic apparatus
WO2014069186A1 (ja) * 2012-11-05 2014-05-08 株式会社吉田製作所 Ｘ線撮影装置
EP2774542A1 (en) 2013-03-08 2014-09-10 J. Morita Manufacturing Corporation X-ray CT imaging device and method with decrease of X-ray radiation to a high sensitivity site
EP2774544A1 (en) 2013-03-08 2014-09-10 J. Morita Manufacturing Corporation Medical x-ray ct photography apparatus
US9036775B2 (en) 2012-11-08 2015-05-19 J. Morita Manufacturing Corporation X-ray photography apparatus
US9036776B2 (en) 2012-11-08 2015-05-19 J. Morita Manufacturing Corporation X-ray photography apparatus
JP5731386B2 (ja) * 2009-07-30 2015-06-10 株式会社テレシステムズ 放射線撮像装置及び放射線による撮像方法
JP2016154855A (ja) * 2015-02-25 2016-09-01 株式会社モリタ製作所 医療用ｘ線撮影装置及びｘ線撮影方法
WO2018169086A1 (ja) * 2017-03-17 2018-09-20 株式会社モリタ製作所 Ｘ線ｃｔ撮影装置、ｘ線画像処理装置、及びｘ線画像表示装置
EP3469991A1 (en) 2017-08-21 2019-04-17 J. Morita Manufacturing Corporation Ct imaging apparatus, information processing apparatus, ct imaging method, information processing method, and recording medium
US10278654B2 (en) 2015-02-25 2019-05-07 J. Morita Manufacturing Corporation Medical X-ray photographing apparatus and X-ray photographing method
US10292673B2 (en) 2015-02-25 2019-05-21 J. Morita Manufacturing Corporation Medical X-ray photographing apparatus and X-ray photographing method
EP2462562B1 (en) * 2009-08-06 2019-06-19 Koninklijke Philips N.V. Method and apparatus for generating computed tomography images with offset detector geometries
US10492742B2 (en) 2013-03-07 2019-12-03 J. Morita Manufacturing Corporation Medical X-ray photography apparatus for pseudo intraoral radiography with user interface with rectangular frame lines
USRE48415E1 (en) 2012-11-08 2021-02-02 J. Morita Manufacturing Corporation X-ray photography apparatus
JP2022046806A (ja) * 2017-12-28 2022-03-23 株式会社モリタ製作所 Ｘ線ｃｔ撮影装置

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WO2008038176A1 (en) * 2006-09-25 2008-04-03 Koninklijke Philips Electronics N. V. Shifting an object for complete trajectories in rotational x-ray imaging
FI123978B (fi) * 2008-06-27 2014-01-15 Planmeca Oy Hammashoitolaitteisto
KR101603791B1 (ko) * 2009-03-18 2016-03-17 삼성전자주식회사 파노라마의 생성 방법
CN102793552B (zh) * 2011-05-23 2014-05-21 北京东方惠尔图像技术有限公司 Ct图像采集装置及ct扫描成像系统
ITMI20120099A1 (it) 2012-01-27 2013-07-28 Gotzen S R L De Apparato e metodo per radiografia digitale
JP6370297B2 (ja) * 2012-09-07 2018-08-08 トロフィー 部分的ｃｔ撮影のための装置
KR101830836B1 (ko) * 2013-08-20 2018-02-21 주식회사 바텍 엑스선 영상 장치
ITBO20130599A1 (it) 2013-10-31 2015-05-01 Cefla Coop Metodo e apparato per aumentare il campo di vista in una acquisizione tomografica computerizzata con tecnica cone-beam
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FI20155005A (fi) * 2015-01-02 2016-07-03 Palodex Group Oy Röntgenkuvantamisyksikkö lääketieteelliseen kuvantamiseen
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ITUB20151800A1 (it) 2015-07-02 2017-01-02 Cefla S C Metodo e apparato per l'acquisizione di radiografie panoramiche e radiografie volumetriche cbct
JP6266574B2 (ja) * 2015-09-10 2018-01-24 株式会社日立ハイテクサイエンス Ｘ線検査方法及びｘ線検査装置
CN107280700B (zh) * 2016-03-31 2023-06-20 通用电气公司 Ct成像设备及方法、用于ct成像设备的x射线收发组件
KR102043357B1 (ko) * 2017-10-18 2019-11-12 오스템임플란트 주식회사 영상 확대율 변경 방법 및 장치
CN112639532A (zh) * 2018-09-07 2021-04-09 深圳帧观德芯科技有限公司 一种具有不同取向的辐射检测器的图像传感器
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CN111508049A (zh) * 2020-03-26 2020-08-07 国网河南省电力公司电力科学研究院 有限角ct扫描的图像重建方法、系统、装置和存储介质

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JP2010259780A (ja) * 2009-04-07 2010-11-18 Asahi Roentgen Kogyo Kk Ｘ線ｃｔ撮影装置
JP2011025012A (ja) * 2009-06-22 2011-02-10 Morita Mfg Co Ltd 医療用ｘ線ｃｔ撮影装置
US8855262B2 (en) 2009-06-25 2014-10-07 The Yoshida Dental Mfg. Co. Ltd. X-ray photographing device
EP2446822A1 (en) * 2009-06-25 2012-05-02 The Yoshida Dental Mfg. Co., Ltd. X-ray photographing device
EP2446822A4 (en) * 2009-06-25 2014-01-08 Yoshida Seisakusho Kk X-RAY PHOTOGRAPHIC DEVICE
JP2012531287A (ja) * 2009-07-01 2012-12-10 パロデックス グループ オイ 歯科用ｘ線装置のための移動機構
JP5731386B2 (ja) * 2009-07-30 2015-06-10 株式会社テレシステムズ 放射線撮像装置及び放射線による撮像方法
EP2462562B1 (en) * 2009-08-06 2019-06-19 Koninklijke Philips N.V. Method and apparatus for generating computed tomography images with offset detector geometries
US9259196B2 (en) 2009-11-25 2016-02-16 Timo Müller Computed tomography apparatus for odontology
WO2011064449A1 (en) * 2009-11-25 2011-06-03 Planmeca Oy Computed tomography apparatus for odontology
CN102711622A (zh) * 2009-11-25 2012-10-03 普兰梅卡有限公司 用于牙科的计算机断层摄影设备
CN102711621A (zh) * 2009-11-25 2012-10-03 普兰梅卡有限公司 用于牙科的计算机断层摄影设备
JP2013512021A (ja) * 2009-11-25 2013-04-11 プランメカ オイ 歯科用コンピュータ断層撮影装置
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US20120307960A1 (en) * 2010-01-13 2012-12-06 Choi Sung Il X-ray computed tomographic imaging apparatus and method for same
JP2011161211A (ja) * 2010-01-13 2011-08-25 Asahi Roentgen Kogyo Kk 医療用ｘ線撮像装置
US8498375B2 (en) 2010-03-12 2013-07-30 J. Morita Manufacturing Corporation X-ray imaging apparatus
EP2364648A1 (en) * 2010-03-12 2011-09-14 J. Morita Manufacturing Corporation X-ray imaging apparatus
JP2012055683A (ja) * 2010-08-11 2012-03-22 Nihon Univ Ｘ線撮影装置
EP2659838A1 (en) 2012-05-02 2013-11-06 J. Morita Manufacturing Corporation X-Ray CT photographic apparatus
US9357971B2 (en) 2012-05-02 2016-06-07 J. Morita Manufacturing Corporation X-ray CT photographic apparatus
WO2014069186A1 (ja) * 2012-11-05 2014-05-08 株式会社吉田製作所 Ｘ線撮影装置
JP2014090888A (ja) * 2012-11-05 2014-05-19 Yoshida Dental Mfg Co Ltd Ｘ線撮影装置
US9480453B2 (en) 2012-11-05 2016-11-01 The Yoshida Dental Mfg. Co., Ltd. X-ray imaging device
US9036775B2 (en) 2012-11-08 2015-05-19 J. Morita Manufacturing Corporation X-ray photography apparatus
USRE48415E1 (en) 2012-11-08 2021-02-02 J. Morita Manufacturing Corporation X-ray photography apparatus
US9036776B2 (en) 2012-11-08 2015-05-19 J. Morita Manufacturing Corporation X-ray photography apparatus
US10492742B2 (en) 2013-03-07 2019-12-03 J. Morita Manufacturing Corporation Medical X-ray photography apparatus for pseudo intraoral radiography with user interface with rectangular frame lines
US9724051B2 (en) 2013-03-08 2017-08-08 J. Morita Manufacturing Corporation Medical X-ray CT photography apparatus using positional shift based on rotation angle
EP2774544A1 (en) 2013-03-08 2014-09-10 J. Morita Manufacturing Corporation Medical x-ray ct photography apparatus
EP2774542A1 (en) 2013-03-08 2014-09-10 J. Morita Manufacturing Corporation X-ray CT imaging device and method with decrease of X-ray radiation to a high sensitivity site
US9339252B2 (en) 2013-03-08 2016-05-17 J. Morita Manufacturing Corporation X-ray CT imaging device and X-ray CT imaging method
US10485507B2 (en) 2015-02-25 2019-11-26 J. Morita Manufacturing Corporation Medical X-ray photographing apparatus
JP2016154855A (ja) * 2015-02-25 2016-09-01 株式会社モリタ製作所 医療用ｘ線撮影装置及びｘ線撮影方法
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US20100246755A1 (en) 2010-09-30

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