CA1102018A - Unitary self shielded, self filtered and flattened bremsstrahlung photon source assembly for radiotherapy use - Google Patents

Unitary self shielded, self filtered and flattened bremsstrahlung photon source assembly for radiotherapy use

Info

Publication number
CA1102018A
CA1102018A CA294,533A CA294533A CA1102018A CA 1102018 A CA1102018 A CA 1102018A CA 294533 A CA294533 A CA 294533A CA 1102018 A CA1102018 A CA 1102018A
Authority
CA
Canada
Prior art keywords
disposed
bremsstrahlung
photon source
target
filter
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.)
Expired
Application number
CA294,533A
Other languages
English (en)
French (fr)
Inventor
Philip Mchugh
William R. Brown
Peter W.A. Brown
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.)
Atomic Energy of Canada Ltd AECL
Original Assignee
Atomic Energy of Canada Ltd AECL
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 Atomic Energy of Canada Ltd AECL filed Critical Atomic Energy of Canada Ltd AECL
Priority to CA294,533A priority Critical patent/CA1102018A/en
Priority to US05/894,453 priority patent/US4198570A/en
Priority to FR7900372A priority patent/FR2414242A1/fr
Priority to DE19792900516 priority patent/DE2900516A1/de
Application granted granted Critical
Publication of CA1102018A publication Critical patent/CA1102018A/en
Expired 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
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K1/00—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
    • G21K1/02—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K1/00—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
    • G21K1/10—Scattering devices; Absorbing devices; Ionising radiation filters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00—X-ray tubes
    • 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
    • A61N2005/1095—Elements inserted into the radiation path within the system, e.g. filters or wedges

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Pathology (AREA)
  • Radiation-Therapy Devices (AREA)
CA294,533A 1978-01-09 1978-01-09 Unitary self shielded, self filtered and flattened bremsstrahlung photon source assembly for radiotherapy use Expired CA1102018A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CA294,533A CA1102018A (en) 1978-01-09 1978-01-09 Unitary self shielded, self filtered and flattened bremsstrahlung photon source assembly for radiotherapy use
US05/894,453 US4198570A (en) 1978-01-09 1978-04-07 Unitary self shielded, self filtered and flattened Bremsstrahlung photon source assembly for radiotherapy use
FR7900372A FR2414242A1 (fr) 1978-01-09 1979-01-08 Dispositif utile comme source de photons a rayonnement de freinage
DE19792900516 DE2900516A1 (de) 1978-01-09 1979-01-08 Vorrichtung zur erzeugung einer roentgenbremsstrahlung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA294,533A CA1102018A (en) 1978-01-09 1978-01-09 Unitary self shielded, self filtered and flattened bremsstrahlung photon source assembly for radiotherapy use

Publications (1)

Publication Number Publication Date
CA1102018A true CA1102018A (en) 1981-05-26

Family

ID=4110480

Family Applications (1)

Application Number Title Priority Date Filing Date
CA294,533A Expired CA1102018A (en) 1978-01-09 1978-01-09 Unitary self shielded, self filtered and flattened bremsstrahlung photon source assembly for radiotherapy use

Country Status (4)

Country Link
US (1) US4198570A (US07494231-20090224-C00006.png)
CA (1) CA1102018A (US07494231-20090224-C00006.png)
DE (1) DE2900516A1 (US07494231-20090224-C00006.png)
FR (1) FR2414242A1 (US07494231-20090224-C00006.png)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2926883A1 (de) * 1979-07-03 1981-01-22 Siemens Ag Elektronenbeschleuniger
CA1304174C (en) * 1989-04-17 1992-06-23 George Thompson X-ray filtration apparatus
WO1991015857A1 (en) * 1990-04-03 1991-10-17 Teleki Peter Method of utilizing the k capture process by the means of high energy electrons
FR2694504B1 (fr) * 1992-08-04 1994-09-16 Joel Kerjean Procédé et appareil pour le traitement de lésions par rayonnement à haute énergie.
US6583420B1 (en) * 2000-06-07 2003-06-24 Robert S. Nelson Device and system for improved imaging in nuclear medicine and mammography
US6875165B2 (en) * 2001-02-22 2005-04-05 Retinalabs, Inc. Method of radiation delivery to the eye
DE10240912B4 (de) * 2002-09-04 2005-04-28 Siemens Ag Strahlentherapiegerät
US20040120464A1 (en) * 2002-12-19 2004-06-24 Hoffman David Michael Cast collimators for CT detectors and methods of making same
GB2409393A (en) * 2003-12-16 2005-06-22 Elekta Ab An interchangeable collimating cassette
WO2005079294A2 (en) * 2004-02-12 2005-09-01 Neo Vista, Inc. Methods and apparatus for intraocular brachytherapy
US7563222B2 (en) * 2004-02-12 2009-07-21 Neovista, Inc. Methods and apparatus for intraocular brachytherapy
US20050259793A1 (en) * 2004-05-19 2005-11-24 Yeo In H Medical phantom, holder and method of use thereof
JP2009515655A (ja) * 2005-11-15 2009-04-16 ネオビスタ、インコーポレイテッド 眼内近接照射療法のための方法および装置
CA2724327A1 (en) 2008-06-04 2009-12-10 Neovista, Inc. Handheld radiation delivery system for advancing a radiation source wire
EP2248552A1 (en) 2009-05-06 2010-11-10 DKFZ Deutsches Krebsforschungszentrum Method and apparatus for image guided radiotherapy
JP5641916B2 (ja) * 2010-02-23 2014-12-17 キヤノン株式会社 放射線発生装置および放射線撮像システム
US8853636B2 (en) 2012-02-29 2014-10-07 Elekta Ab (Publ) Linear accelerators
CN106504812B (zh) * 2016-12-08 2018-10-09 清华大学 准直器、射线发射装置和检查设备
IT201700046573A1 (it) * 2017-04-28 2018-10-28 General Medical Merate S P A Collimatore ed apparecchiatura radiologica
EP3683539A1 (en) * 2019-01-18 2020-07-22 SABIC Global Technologies B.V. Multi-layer thickness detection using correction factors for photoacoustic spectroscopy

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3767931A (en) * 1972-11-14 1973-10-23 Varian Associates Adjustable x-ray beam collimator with shutter for illumination of the radiation pattern
CA1009382A (en) * 1974-12-18 1977-04-26 Her Majesty In Right Of Canada As Represented By Atomic Energy Of Canada Limited X-ray beam flattener
US3969629A (en) * 1975-03-14 1976-07-13 Varian Associates X-ray treatment machine having means for reducing secondary electron skin dose
US4121109A (en) * 1977-04-13 1978-10-17 Applied Radiation Corporation Electron accelerator with a target exposed to the electron beam

Also Published As

Publication number Publication date
DE2900516A1 (de) 1979-07-19
US4198570A (en) 1980-04-15
FR2414242B1 (US07494231-20090224-C00006.png) 1983-09-30
FR2414242A1 (fr) 1979-08-03

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Legal Events

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