CN107809953B - 具有降低的积聚的x射线设备 - Google Patents

具有降低的积聚的x射线设备 Download PDF

Info

Publication number
CN107809953B
CN107809953B CN201680038827.9A CN201680038827A CN107809953B CN 107809953 B CN107809953 B CN 107809953B CN 201680038827 A CN201680038827 A CN 201680038827A CN 107809953 B CN107809953 B CN 107809953B
Authority
CN
China
Prior art keywords
detector
ray
control unit
sensitive volume
radiation
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.)
Active
Application number
CN201680038827.9A
Other languages
English (en)
Chinese (zh)
Other versions
CN107809953A (zh
Inventor
C·赫尔曼
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 CN107809953A publication Critical patent/CN107809953A/zh
Application granted granted Critical
Publication of CN107809953B publication Critical patent/CN107809953B/zh
Active 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
    • A61B6/02Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03Computed tomography [CT]
    • A61B6/032Transmission computed tomography [CT]
    • 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
    • A61B6/06Diaphragms
    • 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
    • A61B6/4064Arrangements for generating radiation specially adapted for radiation diagnosis specially adapted for producing a particular type of beam
    • A61B6/4085Cone-beams
    • 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
    • A61B6/4208Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector
    • A61B6/4241Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector using energy resolving detectors, e.g. photon counting
    • 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
    • A61B6/482Diagnostic techniques involving multiple energy 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
    • A61B6/48Diagnostic 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
    • A61B6/54Control of apparatus or devices for radiation diagnosis
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01TMEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16Measuring radiation intensity
    • G01T1/17Circuit arrangements not adapted to a particular type of detector
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01TMEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16Measuring radiation intensity
    • G01T1/17Circuit arrangements not adapted to a particular type of detector
    • G01T1/171Compensation of dead-time counting losses
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01TMEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16Measuring radiation intensity
    • G01T1/24Measuring radiation intensity with semiconductor detectors
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10FINORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F39/00Integrated devices, or assemblies of multiple devices, comprising at least one element covered by group H10F30/00, e.g. radiation detectors comprising photodiode arrays
    • H10F39/10Integrated devices
    • H10F39/12Image sensors
    • H10F39/191Photoconductor image sensors
    • H10F39/195X-ray, gamma-ray or corpuscular radiation imagers
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10FINORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F99/00Subject matter not provided for in other groups of this subclass
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Physics & Mathematics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Biophysics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Measurement Of Radiation (AREA)
  • Light Receiving Elements (AREA)
  • Toxicology (AREA)
CN201680038827.9A 2015-06-30 2016-06-23 具有降低的积聚的x射线设备 Active CN107809953B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP15174564 2015-06-30
EP15174564.3 2015-06-30
PCT/EP2016/064497 WO2017001269A1 (en) 2015-06-30 2016-06-23 X-ray device with reduced pile-up

Publications (2)

Publication Number Publication Date
CN107809953A CN107809953A (zh) 2018-03-16
CN107809953B true CN107809953B (zh) 2021-04-27

Family

ID=53498889

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201680038827.9A Active CN107809953B (zh) 2015-06-30 2016-06-23 具有降低的积聚的x射线设备

Country Status (5)

Country Link
US (1) US10470723B2 (https=)
EP (1) EP3316781B1 (https=)
JP (1) JP6517376B2 (https=)
CN (1) CN107809953B (https=)
WO (1) WO2017001269A1 (https=)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6849356B2 (ja) * 2016-09-13 2021-03-24 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
JP6968593B2 (ja) * 2017-06-28 2021-11-17 キヤノンメディカルシステムズ株式会社 X線ct装置
JP6968594B2 (ja) * 2017-06-28 2021-11-17 キヤノンメディカルシステムズ株式会社 X線ct装置
US11076823B2 (en) 2017-06-28 2021-08-03 Canon Medical Systems Corporation X-ray CT apparatus including a photon-counting detector and circuitry configured to set a control parameter corresponding to a position of each detecting element in the photon-counting detector
EP3701288B1 (en) 2017-10-26 2023-05-10 Shenzhen Xpectvision Technology Co., Ltd. Detector for x-ray fluorescence
US10660601B2 (en) 2018-01-02 2020-05-26 Shanghai United Imaging Healtcare Co., Ltd. Systems and methods for monitoring a medical device
EP3764089B1 (en) 2019-07-11 2024-11-20 Oy Varex Imaging Finland Ltd. X-ray weld inspection
US11733182B2 (en) * 2019-12-20 2023-08-22 Varex Imaging Corporation Radiographic inspection system for pipes and other structures using radioisotopes
CN113008913A (zh) * 2019-12-20 2021-06-22 万睿视影像有限公司 使用放射性同位素的用于管道和其他结构的射线照相检查系统
DE102020216576B3 (de) * 2020-12-28 2021-12-30 Siemens Healthcare Gmbh Röntgendetektoreinheit mit einer anpassbaren Spannungsversorgung und Verfahren zum Betrieb einer Röntgendetektoreinheit
DE102022000101A1 (de) 2022-01-12 2023-07-13 Giesecke+Devrient Currency Technology Gmbh Optisch variables Sicherheitselement
JP2024032518A (ja) * 2022-08-29 2024-03-12 キヤノン株式会社 画像処理装置、撮影システム、画像処理方法、及びプログラム

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7227924B2 (en) 2000-10-06 2007-06-05 The University Of North Carolina At Chapel Hill Computed tomography scanning system and method using a field emission x-ray source
JP2004239699A (ja) * 2003-02-05 2004-08-26 Ntn Corp 角度検出装置および角度検出装置付き軸受
CN101258577A (zh) * 2005-06-10 2008-09-03 增强技术公司 高灵敏度、高分辨率的检测器装置和阵列
US20070290142A1 (en) * 2006-06-16 2007-12-20 General Electeric Company X-ray detectors with adjustable active area electrode assembly
JP5701743B2 (ja) * 2008-03-19 2015-04-15 コーニンクレッカ フィリップス エヌ ヴェ 放射線検出器、画像システム、光子を検出するための方法及びその方法を実行するコンピュータプログラム
WO2009125309A2 (en) * 2008-04-10 2009-10-15 Koninklijke Philips Electronics, N.V. Modular multi-geometry pet system
US8314395B2 (en) 2009-08-31 2012-11-20 General Electric Company Semiconductor crystal based radiation detector and method of producing the same
US8160200B2 (en) * 2010-03-30 2012-04-17 General Electric Company Method and system for image data acquisition
CN103097913B (zh) * 2010-09-13 2015-09-09 皇家飞利浦电子股份有限公司 具有操纵电极的辐射探测器
IN2014CN01055A (https=) 2011-08-30 2015-04-10 Koninkl Philips Nv
RU2014143053A (ru) * 2012-03-27 2016-05-20 Конинклейке Филипс Н.В. Обычная визуализация посредством системы визуализации, содержащей детекторы для счета фотонов
JP2014048171A (ja) 2012-08-31 2014-03-17 Tele Systems:Kk 放射線検出器に駆動用のバイアス電圧を供給する装置及びその方法
KR20150001184A (ko) 2013-06-26 2015-01-06 삼성전자주식회사 엑스선 촬영 장치 및 그 동작 방법
DE102014204042A1 (de) * 2014-03-05 2015-09-10 Siemens Aktiengesellschaft Verfahren zur Ansteuerung eines Röntgendetektors und zugehörige Steuereinheit

Also Published As

Publication number Publication date
JP2018527966A (ja) 2018-09-27
US10470723B2 (en) 2019-11-12
WO2017001269A1 (en) 2017-01-05
CN107809953A (zh) 2018-03-16
EP3316781A1 (en) 2018-05-09
US20180160989A1 (en) 2018-06-14
EP3316781B1 (en) 2019-05-01
JP6517376B2 (ja) 2019-05-22

Similar Documents

Publication Publication Date Title
CN107809953B (zh) 具有降低的积聚的x射线设备
CN111435120B (zh) X射线成像系统的使用和校准
CN110520760B (zh) 用于辐射检测器的像素设计
US5168532A (en) Method for improving the dynamic range of an imaging system
US10206638B2 (en) X-ray CT and medical diagnostic apparatus with photon counting detector
CN110869811B (zh) 管理x射线成像系统中的几何失准
JP6313168B2 (ja) X線ct装置、画像処理装置及び画像処理プログラム
EP3635440B1 (en) Scatter correction technique for use with a radiation detector
US10159450B2 (en) X-ray CT apparatus including a photon-counting detector, and an image processing apparatus and an image processing method for correcting detection signals detected by the photon-counting detector
JP6890943B2 (ja) 放射線診断装置及び方法
KR20190085740A (ko) 단층 촬영 장치, 그 제어 방법, 및 컴퓨터 프로그램 제품
JP2022158914A (ja) 較正方法及びx線スキャナシステム
JP7678056B2 (ja) X線ct装置
JP2023157887A (ja) 光子計数型ct装置、光子計数型ct方法及びプログラム
JP7106392B2 (ja) 感度補正方法及び光子計数型検出器
EP4534015B1 (en) Material decomposition calibration for x-ray imaging systems
JP6968594B2 (ja) X線ct装置
JP2018117779A (ja) X線ct装置
JP2016067947A (ja) X線ct装置、画像処理装置及び画像処理プログラム
JP2025169792A (ja) X線コンピュータ断層撮影装置及び制御方法
JP2024025163A (ja) 放射線撮影装置及びその制御方法、放射線撮影システム、プログラム

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant