KR20180033224A - 방사선 측정을 위한 이온 챔버 - Google Patents

방사선 측정을 위한 이온 챔버 Download PDF

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Publication number
KR20180033224A
KR20180033224A KR1020187004554A KR20187004554A KR20180033224A KR 20180033224 A KR20180033224 A KR 20180033224A KR 1020187004554 A KR1020187004554 A KR 1020187004554A KR 20187004554 A KR20187004554 A KR 20187004554A KR 20180033224 A KR20180033224 A KR 20180033224A
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KR
South Korea
Prior art keywords
electrode
ion chamber
current
collector
radiation
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KR1020187004554A
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English (en)
Korean (ko)
Inventor
이완 코우리카우
에야드 키샤위
Original Assignee
뷰레이 테크놀로지스 인크.
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Publication of KR20180033224A publication Critical patent/KR20180033224A/ko
Withdrawn legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A61N5/1048—Monitoring, verifying, controlling systems and methods
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16—Measuring radiation intensity
    • G01T1/185—Measuring radiation intensity with ionisation chamber arrangements
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A61N5/1048—Monitoring, verifying, controlling systems and methods
    • A61N5/1071—Monitoring, verifying, controlling systems and methods for verifying the dose delivered by the treatment plan
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
    • A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A61N5/103—Treatment planning systems
    • A61N5/1039—Treatment planning systems using functional images, e.g. PET or MRI
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A61N5/1048—Monitoring, verifying, controlling systems and methods
    • A61N5/1064—Monitoring, verifying, controlling systems and methods for adjusting radiation treatment in response to monitoring
    • A61N5/1065—Beam adjustment
    • A61N5/1067—Beam adjustment in real time, i.e. during treatment
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A61N5/1077—Beam delivery systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/29—Measurement performed on radiation beams, e.g. position or section of the beam; Measurement of spatial distribution of radiation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/29—Measurement performed on radiation beams, e.g. position or section of the beam; Measurement of spatial distribution of radiation
    • G01T1/2907—Angle determination; Directional detectors; Telescopes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/29—Measurement performed on radiation beams, e.g. position or section of the beam; Measurement of spatial distribution of radiation
    • G01T1/2914—Measurement of spatial distribution of radiation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A61N5/1048—Monitoring, verifying, controlling systems and methods
    • A61N5/1049—Monitoring, verifying, controlling systems and methods for verifying the position of the patient with respect to the radiation beam
    • A61N2005/1055—Monitoring, verifying, controlling systems and methods for verifying the position of the patient with respect to the radiation beam using magnetic resonance imaging [MRI]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A61N5/1048—Monitoring, verifying, controlling systems and methods
    • A61N2005/1074—Details of the control system, e.g. user interfaces
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A61N2005/1085—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy characterised by the type of particles applied to the patient
    • A61N2005/1089—Electrons
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A61N2005/1092—Details
    • A61N2005/1094—Shielding, protecting against radiation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/3806—Open magnet assemblies for improved access to the sample, e.g. C-type or U-type magnets
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/4808—Multimodal MR, e.g. MR combined with positron emission tomography [PET], MR combined with ultrasound or MR combined with computed tomography [CT]

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Physics & Mathematics (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Biophysics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Surgery (AREA)
  • Radiation-Therapy Devices (AREA)
  • Measurement Of Radiation (AREA)
  • Electron Tubes For Measurement (AREA)
KR1020187004554A 2015-07-22 2016-07-22 방사선 측정을 위한 이온 챔버 Withdrawn KR20180033224A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201562195743P 2015-07-22 2015-07-22
US62/195,743 2015-07-22
PCT/US2016/043740 WO2017015629A1 (en) 2015-07-22 2016-07-22 Ion chamber for radiation measurement

Publications (1)

Publication Number Publication Date
KR20180033224A true KR20180033224A (ko) 2018-04-02

Family

ID=56684248

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020187004554A Withdrawn KR20180033224A (ko) 2015-07-22 2016-07-22 방사선 측정을 위한 이온 챔버

Country Status (9)

Country Link
US (3) US10183181B2 (enExample)
EP (1) EP3326007A1 (enExample)
JP (1) JP7014707B2 (enExample)
KR (1) KR20180033224A (enExample)
CN (2) CN115373014A (enExample)
AU (1) AU2016297254A1 (enExample)
CA (1) CA2992992A1 (enExample)
HK (1) HK1254762A1 (enExample)
WO (1) WO2017015629A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020004794A1 (ko) * 2018-06-27 2020-01-02 한국원자력의학원 동물용 방사선 치료기

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1725166B1 (en) 2004-02-20 2011-03-30 University of Florida Research Foundation, Inc. System for delivering conformal radiation therapy while simultaneously imaging soft tissue
WO2011008969A1 (en) * 2009-07-15 2011-01-20 Viewray Incorporated Method and apparatus for shielding a linear accelerator and a magnetic resonance imaging device from each other
AU2013334064A1 (en) 2012-10-26 2015-05-14 Viewray Technologies, Inc. Assessment and improvement of treatment using imaging of physiological responses to radiation therapy
US9446263B2 (en) 2013-03-15 2016-09-20 Viewray Technologies, Inc. Systems and methods for linear accelerator radiotherapy with magnetic resonance imaging
WO2017015629A1 (en) * 2015-07-22 2017-01-26 Viewray Technologies, Inc. Ion chamber for radiation measurement
EP3423153B1 (en) 2016-03-02 2021-05-19 ViewRay Technologies, Inc. Particle therapy with magnetic resonance imaging
US11000706B2 (en) 2016-12-13 2021-05-11 Viewray Technologies, Inc. Radiation therapy systems and methods
CN111712298B (zh) * 2017-12-06 2023-04-04 优瑞技术公司 放射疗法系统
GB2571124A (en) * 2018-02-19 2019-08-21 Elekta ltd Method and apparatus for beam energy measurement
US11209509B2 (en) 2018-05-16 2021-12-28 Viewray Technologies, Inc. Resistive electromagnet systems and methods
CN111282161B (zh) * 2020-02-28 2021-12-28 合肥中科离子医学技术装备有限公司 一种质子治疗装置束流诊断系统
EP4172636B1 (en) 2020-08-26 2024-12-25 TAE Technologies, Inc. Systems, devices, and methods for beam misalignment detection
CN113031048B (zh) * 2021-03-05 2022-11-15 中国科学院近代物理研究所 一种离子束射程快速质控验证的装置及方法
US11596806B2 (en) 2021-03-31 2023-03-07 Varian Medical Systems, Inc. Dose rate monitor, system and method
US11534626B2 (en) * 2021-03-31 2022-12-27 Varian Medical Systems Particle Therapy Gmbh & Co. Kg Asymmetric dual-mode ionization systems and methods
US11633628B2 (en) * 2021-06-21 2023-04-25 Varian Medical Systems, Inc. Monitor for high dose rate electron therapy, system and method
WO2025184521A1 (en) * 2024-02-29 2025-09-04 James Price X-ray flash radiotherapy devices and methods

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1383057A (fr) 1963-11-09 1964-12-24 Alsacienne Atom Chambre d'ionisation utilisable avec une haute tension alternative
GB1408292A (en) * 1972-05-12 1975-10-01 Gec Medical Equipment Ltd Ionisation chambers
FR2215701B1 (enExample) 1973-01-26 1978-10-27 Cgr Mev
US3852610A (en) * 1973-02-26 1974-12-03 Varian Associates Transmission ion chamber
US3879612A (en) * 1973-08-24 1975-04-22 Combustion Eng Multi-sensor radiation detector system
FR2275022A2 (fr) * 1974-06-14 1976-01-09 Cgr Mev Dispositif pour le controle de la position, de l'intensite, de l'homogeneite et de la directivite d'un faisceau de rayonnement ionisant
AU499940B2 (en) * 1976-04-12 1979-05-03 General Electric Company Xray detector
US4306155A (en) * 1980-04-04 1981-12-15 General Electric Company Gas-filled x-ray detector with improved window
US4751391A (en) * 1986-12-19 1988-06-14 General Electric Company High resolution X-ray collimator/detector system having reduced sensitivity to leakage radiation
JPH01134289A (ja) * 1987-11-19 1989-05-26 Aloka Co Ltd 電離箱式線量率計
JPH01285889A (ja) * 1988-05-13 1989-11-16 Mitsubishi Electric Corp 放射線線量モニタ
JPH0619456B2 (ja) * 1988-10-19 1994-03-16 工業技術院長 個人線量計用電離箱
US5115134A (en) * 1988-11-23 1992-05-19 Slowey Thomas W Precision low energy radiation dosimetry system
US5072123A (en) * 1990-05-03 1991-12-10 Varian Associates, Inc. Method of measuring total ionization current in a segmented ionization chamber
JP2729228B2 (ja) * 1990-09-26 1998-03-18 科学技術振興事業団 真空プロセス装置におけるｘ線検出器保護用フイルタ
CN1027021C (zh) * 1993-03-18 1994-12-14 清华大学 气体电离型高能x.γ辐射成象阵列探测装置
EP0696358A1 (en) * 1993-04-28 1996-02-14 University Of Surrey Radiation detectors
US5401962A (en) * 1993-06-14 1995-03-28 Ferran Scientific Residual gas sensor utilizing a miniature quadrupole array
WO1995018391A1 (en) * 1993-12-31 1995-07-06 Simo Rannikko A method and an apparatus for determining the field size and the field form of the radiation cone of ionizing radiation source
CN2249449Y (zh) * 1996-01-17 1997-03-12 中国科学院新疆物理研究所 窗口可调式双壁电离室
JPH09292468A (ja) * 1996-04-26 1997-11-11 Toshiba Corp 電離箱
JPH10332835A (ja) * 1997-05-28 1998-12-18 Toshiba Corp 電離箱形放射線検出器
GB2382512A (en) 2001-07-20 2003-05-28 Elekta Oncology Syst Ltd MRI in guided radiotherapy and position verification
AU2007272248B2 (en) * 2006-07-10 2013-05-16 University Health Network Apparatus and methods for real-time verification of radiation therapy
CN201207085Y (zh) * 2008-05-24 2009-03-11 中国科学院近代物理研究所 重离子束治癌当中剂量监测探测器标定和校准装置
WO2014001926A1 (en) * 2012-06-27 2014-01-03 Koninklijke Philips N.V. Digital positron emission tomography (dpet) energy calibration method
WO2017015629A1 (en) * 2015-07-22 2017-01-26 Viewray Technologies, Inc. Ion chamber for radiation measurement
AT521173B1 (de) 2018-06-27 2019-11-15 Trumpf Maschinen Austria Gmbh & Co Kg Biegewerkzeug mit Distanzelement

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020004794A1 (ko) * 2018-06-27 2020-01-02 한국원자력의학원 동물용 방사선 치료기
KR20200001345A (ko) * 2018-06-27 2020-01-06 한국원자력의학원 동물용 방사선 치료기
US11724125B2 (en) 2018-06-27 2023-08-15 Korea Institute Of Radiological & Medical Sciences Radiotherapy apparatus for animal

Also Published As

Publication number Publication date
CA2992992A1 (en) 2017-01-26
CN108027445B (zh) 2022-09-02
US20170021198A1 (en) 2017-01-26
AU2016297254A1 (en) 2018-02-15
JP7014707B2 (ja) 2022-02-01
US20190240511A1 (en) 2019-08-08
WO2017015629A1 (en) 2017-01-26
US11224764B2 (en) 2022-01-18
HK1254762A1 (zh) 2019-07-26
CN108027445A (zh) 2018-05-11
EP3326007A1 (en) 2018-05-30
CN115373014A (zh) 2022-11-22
US20210162238A1 (en) 2021-06-03
US10183181B2 (en) 2019-01-22
JP2018522381A (ja) 2018-08-09
US10821304B2 (en) 2020-11-03

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PA0105 International application

Patent event date: 20180214

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
PC1203 Withdrawal of no request for examination