JP6816144B2 - 被検体をx線撮像する装置 - Google Patents

被検体をx線撮像する装置 Download PDF

Info

Publication number
JP6816144B2
JP6816144B2 JP2018528002A JP2018528002A JP6816144B2 JP 6816144 B2 JP6816144 B2 JP 6816144B2 JP 2018528002 A JP2018528002 A JP 2018528002A JP 2018528002 A JP2018528002 A JP 2018528002A JP 6816144 B2 JP6816144 B2 JP 6816144B2
Authority
JP
Japan
Prior art keywords
ray
subject
coefficient
intensity
determined
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
JP2018528002A
Other languages
English (en)
Japanese (ja)
Other versions
JP2019505251A5 (enExample
JP2019505251A (ja
Inventor
トーマス ケーラー
トーマス ケーラー
ハンス‐インゴ マーク
ハンス‐インゴ マーク
トーマス プラロウ
トーマス プラロウ
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips NV
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
Application filed by Koninklijke Philips NV filed Critical Koninklijke Philips NV
Publication of JP2019505251A publication Critical patent/JP2019505251A/ja
Publication of JP2019505251A5 publication Critical patent/JP2019505251A5/ja
Application granted granted Critical
Publication of JP6816144B2 publication Critical patent/JP6816144B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • A61B6/40Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/405Source units specially adapted to modify characteristics of the beam during the data acquisition process
    • 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
    • A61B6/40Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4035Arrangements for generating radiation specially adapted for radiation diagnosis the source being combined with a filter or grating
    • 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
    • A61B6/42Arrangements for detecting radiation specially adapted for radiation diagnosis
    • A61B6/4291Arrangements for detecting radiation specially adapted for radiation diagnosis the detector being combined with a grid or grating
    • 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
    • A61B6/48Diagnostic techniques
    • A61B6/484Diagnostic techniques involving phase contrast X-ray imaging
    • 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
    • A61B6/52Devices using data or image processing specially adapted for radiation diagnosis
    • A61B6/5258Devices using data or image processing specially adapted for radiation diagnosis involving detection or reduction of artifacts or noise
    • 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
    • A61B6/54Control of apparatus or devices for radiation diagnosis
    • A61B6/542Control of apparatus or devices for radiation diagnosis involving control of exposure
    • 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
    • A61B6/48Diagnostic techniques
    • A61B6/488Diagnostic techniques involving pre-scan acquisition
    • 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
    • A61B6/52Devices using data or image processing specially adapted for radiation diagnosis
    • A61B6/5294Devices using data or image processing specially adapted for radiation diagnosis involving using additional data, e.g. patient information, image labeling, acquisition parameters

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Measurement Of Radiation (AREA)
JP2018528002A 2015-12-01 2016-11-21 被検体をx線撮像する装置 Expired - Fee Related JP6816144B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP15197268 2015-12-01
EP15197268.4 2015-12-01
PCT/EP2016/078224 WO2017093055A1 (en) 2015-12-01 2016-11-21 Apparatus for x-ray imaging an object

Publications (3)

Publication Number Publication Date
JP2019505251A JP2019505251A (ja) 2019-02-28
JP2019505251A5 JP2019505251A5 (enExample) 2019-12-26
JP6816144B2 true JP6816144B2 (ja) 2021-01-20

Family

ID=54770934

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018528002A Expired - Fee Related JP6816144B2 (ja) 2015-12-01 2016-11-21 被検体をx線撮像する装置

Country Status (5)

Country Link
US (1) US10779776B2 (enExample)
EP (1) EP3383273B1 (enExample)
JP (1) JP6816144B2 (enExample)
CN (1) CN108289649B (enExample)
WO (1) WO2017093055A1 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10859517B2 (en) * 2016-04-18 2020-12-08 The Board Of Trustees Of The Leland Stanford Junior University Single X-ray grating X-ray differential phase contrast imaging system
US10670744B2 (en) * 2017-10-23 2020-06-02 General Electric Company Current measurement in an imaging system
WO2019087605A1 (ja) * 2017-10-31 2019-05-09 株式会社島津製作所 X線位相差撮像システム
EP3603515A1 (en) * 2018-08-01 2020-02-05 Koninklijke Philips N.V. Apparatus for generating x-ray imaging data
EP3701868A1 (en) * 2019-02-28 2020-09-02 Koninklijke Philips N.V. System, method and computer program for acquiring phase imaging data of an object
EP3705044A1 (en) * 2019-03-08 2020-09-09 Koninklijke Philips N.V. System for x-ray dark field; phase contrast and attenuation tomosynthesis image acquisition
EP3832690A1 (en) * 2019-12-05 2021-06-09 Koninklijke Philips N.V. Estimation of full-field scattering for dax imaging
EP3925539A1 (en) * 2020-06-19 2021-12-22 Koninklijke Philips N.V. X-ray imaging system
DE102023204333B3 (de) * 2023-05-10 2024-05-16 Siemens Healthineers Ag Verfahren zum Betreiben eines Röntgenbildgebungssystems, Verfahren zur Generierung einer Datenbank, Regelungseinrichtung, Röntgenbildgebungssystem, Steuereinrichtung, Computerprogramm und elektronisch lesbarer Datenträger

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2015103A (en) 1931-11-07 1935-09-24 Celanese Corp Process of treating fabrics and product thereof
CN101576515B (zh) * 2007-11-23 2012-07-04 同方威视技术股份有限公司 X射线光栅相衬成像系统及方法
JP2011045655A (ja) * 2009-08-28 2011-03-10 Konica Minolta Medical & Graphic Inc X線撮影装置
JP5269041B2 (ja) 2009-12-04 2013-08-21 キヤノン株式会社 X線撮像装置およびx線撮像方法
JP5900324B2 (ja) 2010-03-18 2016-04-06 コニカミノルタ株式会社 X線撮影システム
CN102221565B (zh) * 2010-04-19 2013-06-12 清华大学 X射线源光栅步进成像系统与成像方法
JP2014014379A (ja) 2010-10-27 2014-01-30 Fujifilm Corp 放射線撮影システム及び放射線撮影方法
JP5238787B2 (ja) * 2010-10-27 2013-07-17 富士フイルム株式会社 放射線撮影装置及び放射線撮影システム
JP5796908B2 (ja) * 2010-10-29 2015-10-21 富士フイルム株式会社 放射線位相画像撮影装置
JP2012120653A (ja) * 2010-12-07 2012-06-28 Fujifilm Corp 放射線撮影装置、及び放射線撮影システム
JP5150713B2 (ja) * 2010-12-08 2013-02-27 富士フイルム株式会社 放射線画像検出装置、放射線撮影装置、放射線撮影システム
EP2729069B1 (en) * 2011-07-04 2019-09-18 Koninklijke Philips N.V. Phase contrast imaging apparatus
WO2013171657A1 (en) * 2012-05-14 2013-11-21 Koninklijke Philips N.V. Dark field computed tomography imaging
JP6250658B2 (ja) * 2012-06-27 2017-12-20 コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. 暗視野イメージング
JP2014090967A (ja) * 2012-11-06 2014-05-19 Canon Inc X線撮像装置
CN104780844B (zh) * 2012-11-16 2019-09-20 东芝医疗系统株式会社 X射线计算机断层摄影装置以及信息处理装置
US10096098B2 (en) * 2013-12-30 2018-10-09 Carestream Health, Inc. Phase retrieval from differential phase contrast imaging
CN105338901B (zh) * 2013-06-28 2019-03-08 皇家飞利浦有限公司 狭缝扫描相位衬度成像中的校正
DE102013214388B4 (de) * 2013-07-23 2023-04-20 Siemens Healthcare Gmbh Medizinisches Instrument zur Verwendung mit einer Phasenkontrastbildgebung und Röntgenaufnahmesystem mit Phasenkontrastbildgebung
US20160270198A1 (en) * 2013-11-05 2016-09-15 Koninklijke Philips N.V. X-ray imaging device with fast spatial modulation of photon flux
US10779789B2 (en) * 2013-11-08 2020-09-22 Koninklijke Philips N.V. Empirical beam hardening correction for differential phase contrast CT
WO2015090949A1 (en) * 2013-12-17 2015-06-25 Koninklijke Philips N.V. Phase retrieval for scanning differential phase contrast systems
KR20170009909A (ko) * 2014-05-15 2017-01-25 시그레이, 아이엔씨. 주기적 구조의 측정과 특성화 및 분석을 위한 x-선 방법
JP2016032573A (ja) * 2014-07-31 2016-03-10 キヤノン株式会社 トールボット干渉計、トールボット干渉システム、及び縞走査法

Also Published As

Publication number Publication date
EP3383273A1 (en) 2018-10-10
CN108289649B (zh) 2022-04-19
WO2017093055A1 (en) 2017-06-08
EP3383273B1 (en) 2021-05-12
JP2019505251A (ja) 2019-02-28
CN108289649A (zh) 2018-07-17
US20180344268A1 (en) 2018-12-06
US10779776B2 (en) 2020-09-22

Similar Documents

Publication Publication Date Title
JP6816144B2 (ja) 被検体をx線撮像する装置
US9795350B2 (en) Material differentiation with phase contrast imaging
JP5606455B2 (ja) 逆投影のためのイメージング装置及びその作動方法
JP5384521B2 (ja) 放射線撮像装置
CN106456083B (zh) 用于对可移动对象进行相位衬度和/或暗场成像的光栅设备
JP6214819B1 (ja) 微分位相コントラストx線撮像における暗視野信号の最適なエネルギ加重
JP6413950B2 (ja) 放射線撮影システム及び画像処理装置
JP6670398B2 (ja) 暗視野又は位相コントラストx線撮像における特徴抑制
CN107567640B (zh) 用于扫描暗场和相位对比成像的射束硬化校正
JP2016049455A (ja) X線コンピュータ断層撮影装置及び画像再構成装置
JP2012200567A (ja) 放射線撮影システム及び放射線撮影方法
US10238352B2 (en) Recording X-ray images without scattered radiation
RU2677763C1 (ru) Получение фазы для систем сканирования с дифференциальным фазовым контрастом
US11234663B2 (en) Apparatus for generating multi energy data from phase contrast imaging data
JP6642676B2 (ja) 放射線撮影システム及び画像処理装置
JP2022524071A (ja) X線暗視野画像、位相コントラスト画像及び減衰トモシンセシス画像を取得するシステム
CN110520049A (zh) 用于暗场x射线成像的灵敏度优化患者定位系统
JP2014132913A (ja) 放射線撮影システム及び放射線撮影方法

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20191118

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20191118

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20201021

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20201124

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20201223

R150 Certificate of patent or registration of utility model

Ref document number: 6816144

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

LAPS Cancellation because of no payment of annual fees