FR2219523A1 - - Google Patents

Info

Publication number
FR2219523A1
FR2219523A1 FR7406317A FR7406317A FR2219523A1 FR 2219523 A1 FR2219523 A1 FR 2219523A1 FR 7406317 A FR7406317 A FR 7406317A FR 7406317 A FR7406317 A FR 7406317A FR 2219523 A1 FR2219523 A1 FR 2219523A1
Authority
FR
France
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.)
Granted
Application number
FR7406317A
Other languages
French (fr)
Other versions
FR2219523B3 (enExample
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.)
Varian Medical Systems Inc
Original Assignee
Varian Associates 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 Varian Associates Inc filed Critical Varian Associates Inc
Publication of FR2219523A1 publication Critical patent/FR2219523A1/fr
Application granted granted Critical
Publication of FR2219523B3 publication Critical patent/FR2219523B3/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J47/00—Tubes for determining the presence, intensity, density or energy of radiation or particles
    • H01J47/02—Ionisation chambers
    • 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
    • G01T1/29—Measurement performed on radiation beams, e.g. position or section of the beam; Measurement of spatial distribution of radiation

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pathology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Radiology & Medical Imaging (AREA)
  • General Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Measurement Of Radiation (AREA)
  • Electron Tubes For Measurement (AREA)
FR7406317A 1973-02-26 1974-02-25 Expired FR2219523B3 (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00335633A US3852610A (en) 1973-02-26 1973-02-26 Transmission ion chamber

Publications (2)

Publication Number Publication Date
FR2219523A1 true FR2219523A1 (enExample) 1974-09-20
FR2219523B3 FR2219523B3 (enExample) 1976-04-09

Family

ID=23312610

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7406317A Expired FR2219523B3 (enExample) 1973-02-26 1974-02-25

Country Status (5)

Country Link
US (1) US3852610A (enExample)
JP (1) JPS5053083A (enExample)
CA (1) CA994927A (enExample)
FR (1) FR2219523B3 (enExample)
GB (1) GB1445519A (enExample)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US3955089A (en) * 1974-10-21 1976-05-04 Varian Associates Automatic steering of a high velocity beam of charged particles
DE2505173A1 (de) * 1975-02-07 1976-08-19 Philips Patentverwaltung Roentgenaufnahmeanordnung mit einer gasgefuellten kammer
US4131799A (en) * 1977-04-01 1978-12-26 Applied Radiation Corporation Ionization chamber
US4320299A (en) 1977-06-24 1982-03-16 National Research Development Corporation Position-sensitive neutral particle sensor
SE421257B (sv) * 1980-04-23 1981-12-07 Scanditronix Instr Sett att med transmissionsjonkammare centrera ett stralknippe och bringa stralknippet att bli symmetriskt med avseende pa centrumlinjen av en kollimator, samt transmissionsjonkammare for utforande av settet
JPS5710477A (en) * 1980-06-23 1982-01-20 Fukuoka Hoshasen Kk Dosimeter for patient exposed to clinical x-rays
US4427890A (en) * 1981-08-03 1984-01-24 Siemens Medical Laboratories, Inc. Dose monitor chamber for electron or X-ray radiation
US4514633A (en) * 1983-11-17 1985-04-30 Siemens Medical Laboratories, Inc. Ionization chamber for measuring the profile of a radiation field of electron or X-ray radiation
NL8503152A (nl) * 1985-11-15 1987-06-01 Optische Ind De Oude Delft Nv Dosismeter voor ioniserende straling.
DE3828639C2 (de) * 1987-08-24 1994-08-18 Mitsubishi Electric Corp Strahlentherapiegerät
US5072123A (en) * 1990-05-03 1991-12-10 Varian Associates, Inc. Method of measuring total ionization current in a segmented ionization chamber
JP2728986B2 (ja) * 1991-06-05 1998-03-18 三菱電機株式会社 放射線モニタ
JP2755527B2 (ja) 1992-07-01 1998-05-20 三菱電機株式会社 線量モニタ
US5672878A (en) * 1996-10-24 1997-09-30 Siemens Medical Systems Inc. Ionization chamber having off-passageway measuring electrodes
DE19907207A1 (de) * 1999-02-19 2000-08-31 Schwerionenforsch Gmbh Ionisationskammer für Ionenstrahlen und Verfahren zur Intensitätsüberwachung eines Ionenstrahls
AU2004266644B2 (en) 2003-08-12 2009-07-16 Vision Rt Limited Patient positioning system for radiation therapy system
CN1960780B (zh) 2003-08-12 2010-11-17 洛马林达大学医学中心 模块化的患者支撑系统
US20090080602A1 (en) 2006-08-03 2009-03-26 Kenneth Brooks Dedicated breast radiation imaging/therapy system
JP5448831B2 (ja) 2006-11-21 2014-03-19 ローマ リンダ ユニヴァーシティ メディカル センター 乳房放射線療法のために患者を固定する装置及び方法
JP2010054309A (ja) * 2008-08-27 2010-03-11 Mitsubishi Heavy Ind Ltd 透過型線量計を用いた放射線治療装置
US9693443B2 (en) 2010-04-19 2017-06-27 General Electric Company Self-shielding target for isotope production systems
US8644571B1 (en) 2011-12-06 2014-02-04 Loma Linda University Medical Center Intensity-modulated proton therapy
EP3304127B1 (en) 2015-06-05 2023-08-02 University Health Network (UHN) Sensors with virtual spatial sensitivity for monitoring a radiation generating device
HK1254762A1 (zh) * 2015-07-22 2019-07-26 Viewray Technologies, Inc. 用於辐射测量的离子室
US9884206B2 (en) 2015-07-23 2018-02-06 Loma Linda University Medical Center Systems and methods for intensity modulated radiation therapy
EP3838344A1 (en) 2016-03-01 2021-06-23 Intraop Medical Corporation Electron beam radiation system useful for therapeutic applications
EP4028122A4 (en) 2019-09-14 2023-09-27 Intraop Medical Corporation METHODS AND SYSTEMS FOR USING AND CONTROLLING HIGHER DOSE RATE IONIZING RADIATION IN SHORT TIME INTERVALS

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1369414A (fr) * 1963-06-11 1964-08-14 Commissariat Energie Atomique Procédé et dispositif de déclenchement d'un détecteur à gaz permettant la localisation de particules nucléaires

Also Published As

Publication number Publication date
FR2219523B3 (enExample) 1976-04-09
GB1445519A (en) 1976-08-11
JPS5053083A (enExample) 1975-05-10
CA994927A (en) 1976-08-10
US3852610A (en) 1974-12-03

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Legal Events

Date Code Title Description
ST Notification of lapse