WO2007012933A3 - Method and apparatus for modulating a radiation beam - Google Patents

Method and apparatus for modulating a radiation beam Download PDF

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Publication number
WO2007012933A3
WO2007012933A3 PCT/IB2006/001899 IB2006001899W WO2007012933A3 WO 2007012933 A3 WO2007012933 A3 WO 2007012933A3 IB 2006001899 W IB2006001899 W IB 2006001899W WO 2007012933 A3 WO2007012933 A3 WO 2007012933A3
Authority
WO
WIPO (PCT)
Prior art keywords
radiation beam
leaves
modulating
modulated
radiation
Prior art date
Application number
PCT/IB2006/001899
Other languages
French (fr)
Other versions
WO2007012933A2 (en
Original Assignee
Cadman Patrick F
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 Cadman Patrick F filed Critical Cadman Patrick F
Priority to JP2007557630A priority Critical patent/JP2008531172A/en
Priority to CA002599311A priority patent/CA2599311A1/en
Priority to AU2006273742A priority patent/AU2006273742A1/en
Priority to EP06795089A priority patent/EP1854105A4/en
Publication of WO2007012933A2 publication Critical patent/WO2007012933A2/en
Publication of WO2007012933A3 publication Critical patent/WO2007012933A3/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • 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
    • A61N5/1042—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy with spatial modulation of the radiation beam within the treatment head
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • 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
    • G21K1/04—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using variable diaphragms, shutters, choppers
    • 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
    • G21K1/04—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using variable diaphragms, shutters, choppers
    • G21K1/046—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using variable diaphragms, shutters, choppers varying the contour of the field, e.g. multileaf collimators

Abstract

An apparatus and method to deliver intensity modulated radiation therapy by irradiating a treatment volume with rotation of the radiation beam. The system includes a collimation device comprising a two-dimensional array of pivoting attenuating leaves, which are temporarily placed into the radiation beam path as the gantry rotates around the patient. The leaves are independently movable between a first position and a second position. The radiation beam intensity is modulated by controlling the time that each leaf is present to attenuate the beam.
PCT/IB2006/001899 2005-02-28 2006-02-28 Method and apparatus for modulating a radiation beam WO2007012933A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2007557630A JP2008531172A (en) 2005-02-28 2006-02-28 Method and apparatus for modulating a radiation beam
CA002599311A CA2599311A1 (en) 2005-02-28 2006-02-28 Method and apparatus for modulating a radiation beam
AU2006273742A AU2006273742A1 (en) 2005-02-28 2006-02-28 Method and apparatus for modulating a radiation beam
EP06795089A EP1854105A4 (en) 2005-02-28 2006-02-28 Method and apparatus for modulating a radiation beam

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US65701305P 2005-02-28 2005-02-28
US60/657,013 2005-02-28
US11/361,883 2006-02-24
US11/361,883 US7957507B2 (en) 2005-02-28 2006-02-24 Method and apparatus for modulating a radiation beam

Publications (2)

Publication Number Publication Date
WO2007012933A2 WO2007012933A2 (en) 2007-02-01
WO2007012933A3 true WO2007012933A3 (en) 2008-07-17

Family

ID=36931939

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2006/001899 WO2007012933A2 (en) 2005-02-28 2006-02-28 Method and apparatus for modulating a radiation beam

Country Status (8)

Country Link
US (1) US7957507B2 (en)
EP (1) EP1854105A4 (en)
JP (1) JP2008531172A (en)
KR (1) KR20080002785A (en)
CN (1) CN101309726A (en)
AU (1) AU2006273742A1 (en)
CA (1) CA2599311A1 (en)
WO (1) WO2007012933A2 (en)

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AU2006273742A1 (en) 2007-02-01
CA2599311A1 (en) 2007-02-01
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WO2007012933A2 (en) 2007-02-01
US7957507B2 (en) 2011-06-07

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