CA2992992A1 - Ion chamber for radiation measurement - Google Patents

Ion chamber for radiation measurement Download PDF

Info

Publication number
CA2992992A1
CA2992992A1 CA2992992A CA2992992A CA2992992A1 CA 2992992 A1 CA2992992 A1 CA 2992992A1 CA 2992992 A CA2992992 A CA 2992992A CA 2992992 A CA2992992 A CA 2992992A CA 2992992 A1 CA2992992 A1 CA 2992992A1
Authority
CA
Canada
Prior art keywords
electrode
ion chamber
radiation beam
collector
current
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.)
Abandoned
Application number
CA2992992A
Other languages
English (en)
French (fr)
Inventor
Iwan Kawrykow
Eyad Kishawi
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.)
ViewRay Technologies Inc
Original Assignee
ViewRay Technologies Inc
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 ViewRay Technologies Inc filed Critical ViewRay Technologies Inc
Publication of CA2992992A1 publication Critical patent/CA2992992A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Molecular Biology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Surgery (AREA)
  • Medical Informatics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biophysics (AREA)
  • Radiation-Therapy Devices (AREA)
  • Measurement Of Radiation (AREA)
  • Electron Tubes For Measurement (AREA)
CA2992992A 2015-07-22 2016-07-22 Ion chamber for radiation measurement Abandoned CA2992992A1 (en)

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
CA2992992A1 true CA2992992A1 (en) 2017-01-26

Family

ID=56684248

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2992992A Abandoned CA2992992A1 (en) 2015-07-22 2016-07-22 Ion chamber for radiation measurement

Country Status (9)

Country Link
US (3) US10183181B2 (cg-RX-API-DMAC7.html)
EP (1) EP3326007A1 (cg-RX-API-DMAC7.html)
JP (1) JP7014707B2 (cg-RX-API-DMAC7.html)
KR (1) KR20180033224A (cg-RX-API-DMAC7.html)
CN (2) CN115373014A (cg-RX-API-DMAC7.html)
AU (1) AU2016297254A1 (cg-RX-API-DMAC7.html)
CA (1) CA2992992A1 (cg-RX-API-DMAC7.html)
HK (1) HK1254762A1 (cg-RX-API-DMAC7.html)
WO (1) WO2017015629A1 (cg-RX-API-DMAC7.html)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
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AU2005216070B2 (en) 2004-02-20 2012-01-19 University Of Florida Research Foundation, Inc. System for delivering conformal radiation therapy while simultaneously imaging soft tissue
CN102472830B (zh) 2009-07-15 2016-03-30 微雷公司 用于使直线性加速器和磁共振成像设备彼此屏蔽的方法和装置
JP6382208B2 (ja) 2012-10-26 2018-08-29 ビューレイ・テクノロジーズ・インコーポレイテッドＶｉｅｗＲａｙ Ｔｅｃｈｎｏｌｏｇｉｅｓ， Ｉｎｃ． システム及びコンピュータプログラム製品
US9446263B2 (en) 2013-03-15 2016-09-20 Viewray Technologies, Inc. Systems and methods for linear accelerator radiotherapy with magnetic resonance imaging
US10183181B2 (en) * 2015-07-22 2019-01-22 Viewray Technologies, Inc. Ion chamber for radiation measurement
JP7066621B2 (ja) 2016-03-02 2022-05-13 ビューレイ・テクノロジーズ・インコーポレイテッド 磁気共鳴イメージングを用いた粒子治療
EP4338677A3 (en) 2016-12-13 2024-06-19 ViewRay Technologies, Inc. Radiation therapy systems and methods
EP3710112B1 (en) * 2017-12-06 2025-08-27 Viewray Systems, Inc. Optimization of multimodal radiotherapy
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
KR102068326B1 (ko) * 2018-06-27 2020-01-20 한국원자력의학원 동물용 방사선 치료기
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

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Also Published As

Publication number Publication date
US20170021198A1 (en) 2017-01-26
US10183181B2 (en) 2019-01-22
US20190240511A1 (en) 2019-08-08
JP2018522381A (ja) 2018-08-09
HK1254762A1 (zh) 2019-07-26
CN115373014A (zh) 2022-11-22
JP7014707B2 (ja) 2022-02-01
AU2016297254A1 (en) 2018-02-15
WO2017015629A1 (en) 2017-01-26
US10821304B2 (en) 2020-11-03
US11224764B2 (en) 2022-01-18
CN108027445A (zh) 2018-05-11
CN108027445B (zh) 2022-09-02
EP3326007A1 (en) 2018-05-30
KR20180033224A (ko) 2018-04-02
US20210162238A1 (en) 2021-06-03

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Legal Events

Date Code Title Description
FZDE Discontinued

Effective date: 20220301