FR2219523B3 - - Google Patents

Info

Publication number
FR2219523B3
FR2219523B3 FR7406317A FR7406317A FR2219523B3 FR 2219523 B3 FR2219523 B3 FR 2219523B3 FR 7406317 A FR7406317 A FR 7406317A FR 7406317 A FR7406317 A FR 7406317A FR 2219523 B3 FR2219523 B3 FR 2219523B3
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.)
Expired
Application number
FR7406317A
Other versions
FR2219523A1 (fr
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

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J47/00Tubes for determining the presence, intensity, density or energy of radiation or particles
    • H01J47/02Ionisation chambers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00Radiation therapy
    • A61N5/10X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A61N5/1048Monitoring, verifying, controlling systems and methods
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01TMEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/29Measurement 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 (fr)

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 FR2219523A1 (fr) 1974-09-20
FR2219523B3 true FR2219523B3 (fr) 1976-04-09

Family

ID=23312610

Family Applications (1)

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

Country Status (5)

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

Families Citing this family (25)

* 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
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.
DE3844716C2 (de) * 1987-08-24 2001-02-22 Mitsubishi Electric Corp Partikelstrahlmonitorvorrichtung
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
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
WO2005018735A2 (fr) 2003-08-12 2005-03-03 Loma Linda University Medical Center Systeme modulaire de support de patient
CA2535121C (fr) 2003-08-12 2021-03-23 Loma Linda University Medical Center Systeme de positionnement de patient pour systeme de radiotherapie
US20090080602A1 (en) * 2006-08-03 2009-03-26 Kenneth Brooks Dedicated breast radiation imaging/therapy system
WO2008064271A2 (fr) 2006-11-21 2008-05-29 Loma Linda University Medical Center Dispositif et procédé d'immobilisation des patientes pour radiothérapie mammaire
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
WO2016191883A1 (fr) 2015-06-05 2016-12-08 University Health Network Capteurs à sensibilité spatiale virtuelle pour surveiller un dispositif générateur de rayonnement
KR20180033224A (ko) * 2015-07-22 2018-04-02 뷰레이 테크놀로지스 인크. 방사선 측정을 위한 이온 챔버
US9884206B2 (en) 2015-07-23 2018-02-06 Loma Linda University Medical Center Systems and methods for intensity modulated radiation therapy
WO2017151763A1 (fr) 2016-03-01 2017-09-08 Intraop Medical Corporation Système de rayonnement de faisceau d'électrons à basse énergie qui génère des faisceaux d'électrons à une profondeur de pénétration régulable et commandée avec précision, utile dans des applications thérapeutiques

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
CA994927A (en) 1976-08-10
FR2219523A1 (fr) 1974-09-20
GB1445519A (en) 1976-08-11
JPS5053083A (fr) 1975-05-10
US3852610A (en) 1974-12-03

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Legal Events

Date Code Title Description
ST Notification of lapse