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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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WO
WIPO (PCT)
Prior art keywords
rotating shaft
subject
imaging
ray
support means
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.)
Ceased
Application number
PCT/JP2008/070760
Other languages
English (en)
French (fr)
Inventor
Masakazu Suzuki
Takahiro Yoshimura
Makoto Honjo
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.)
J Morita Manufaturing Corp
Original Assignee
J Morita Manufaturing 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.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=40638820&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2009063974(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by J Morita Manufaturing Corp filed Critical J Morita Manufaturing Corp
Priority to EP08849970.2A priority Critical patent/EP2210559B1/en
Priority to US12/734,656 priority patent/US8300762B2/en
Priority to JP2009541186A priority patent/JP5539729B2/ja
Publication of WO2009063974A1 publication Critical patent/WO2009063974A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • A61B6/58—Testing, adjusting or calibrating thereof
    • 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 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
    • A61B6/44—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
    • 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
    • A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
    • A61B6/51—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for dentistry

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Dentistry (AREA)
  • Oral & Maxillofacial Surgery (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 Ceased WO2009063974A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP08849970.2A EP2210559B1 (en) 2007-11-16 2008-11-14 X-ray ct imaging device
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

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-298183 2007-11-16
JP2007298183 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 Ceased 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
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
EP2446822A4 (en) * 2009-06-25 2014-01-08 Yoshida Seisakusho Kk X-RAY PHOTOGRAPHY DEVICE
WO2014069186A1 (ja) * 2012-11-05 2014-05-08 株式会社吉田製作所 Ｘ線撮影装置
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
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
JP7565558B2 (ja) 2020-11-27 2024-10-11 大成建設株式会社 Ｘ線ｃｔ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
EP2892432B1 (en) * 2012-09-07 2022-12-28 Trophy Apparatus for partial ct imaging
JP6636923B2 (ja) * 2013-08-20 2020-01-29 バテック カンパニー リミテッド Ｘ線画像装置
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
US9808211B2 (en) * 2013-11-12 2017-11-07 Carestream Health, Inc. Head and neck imager
FI20155005A7 (fi) * 2015-01-02 2016-07-03 Palodex Group Oy Röntgenkuvantamisyksikkö lääketieteelliseen kuvantamiseen
FI20145617A7 (fi) * 2014-06-26 2015-12-27 Palodex Group Oy Röntgenkuvantamisyksikkö lääketieteelliseen kuvantamiseen
EP3289980A4 (en) * 2015-04-29 2019-01-16 Vatech Ewoo Holdings Co., Ltd X-RAY IMAGING SYSTEM AND METHOD
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
WO2020047831A1 (en) * 2018-09-07 2020-03-12 Shenzhen Xpectvision Technology Co., Ltd. An image sensor having radiation detectors of different orientations
CN112703427A (zh) * 2018-09-21 2021-04-23 深圳帧观德芯科技有限公司 一种成像系统
US11000256B2 (en) * 2018-11-09 2021-05-11 Palodex Group Oy Calibrating an X-ray medical imaging device for cephalometric imaging
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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Cited By (46)

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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
EP2446822A4 (en) * 2009-06-25 2014-01-08 Yoshida Seisakusho Kk X-RAY PHOTOGRAPHY 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
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
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
US9532755B2 (en) * 2010-01-13 2017-01-03 Vatech Co., Ltd. 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
US20120307960A1 (en) * 2010-01-13 2012-12-06 Choi Sung Il X-ray computed tomographic imaging apparatus and method for same
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
JP2014090888A (ja) * 2012-11-05 2014-05-19 Yoshida Dental Mfg Co Ltd Ｘ線撮影装置
WO2014069186A1 (ja) * 2012-11-05 2014-05-08 株式会社吉田製作所 Ｘ線撮影装置
US9480453B2 (en) 2012-11-05 2016-11-01 The Yoshida Dental Mfg. Co., Ltd. X-ray imaging device
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US8300762B2 (en) 2012-10-30

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