GB2592982B - Leaf assembly for a multi-leaf collimator - Google Patents

Leaf assembly for a multi-leaf collimator Download PDF

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Publication number
GB2592982B
GB2592982B GB2003664.6A GB202003664A GB2592982B GB 2592982 B GB2592982 B GB 2592982B GB 202003664 A GB202003664 A GB 202003664A GB 2592982 B GB2592982 B GB 2592982B
Authority
GB
United Kingdom
Prior art keywords
leaf
assembly
collimator
leaf collimator
leaf assembly
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.)
Active
Application number
GB2003664.6A
Other versions
GB2592982A (en
GB202003664D0 (en
Inventor
Broad Martin
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.)
Elekta Ltd
Original Assignee
Elekta Ltd
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 Elekta Ltd filed Critical Elekta Ltd
Priority to GB2003664.6A priority Critical patent/GB2592982B/en
Publication of GB202003664D0 publication Critical patent/GB202003664D0/en
Priority to CN202180034928.XA priority patent/CN116033939A/en
Priority to EP21712128.4A priority patent/EP4117776A1/en
Priority to PCT/EP2021/056281 priority patent/WO2021180904A1/en
Priority to US17/906,181 priority patent/US20230113879A1/en
Publication of GB2592982A publication Critical patent/GB2592982A/en
Application granted granted Critical
Publication of GB2592982B publication Critical patent/GB2592982B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A61N5/1042—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy with spatial modulation of the radiation beam within the treatment head
    • A61N5/1045—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy with spatial modulation of the radiation beam within the treatment head using a multi-leaf collimator, e.g. for intensity modulated radiation therapy or IMRT
    • 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
GB2003664.6A 2020-03-13 2020-03-13 Leaf assembly for a multi-leaf collimator Active GB2592982B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB2003664.6A GB2592982B (en) 2020-03-13 2020-03-13 Leaf assembly for a multi-leaf collimator
CN202180034928.XA CN116033939A (en) 2020-03-13 2021-03-11 Multi-leaf collimator
EP21712128.4A EP4117776A1 (en) 2020-03-13 2021-03-11 Multi-leaf collimator
PCT/EP2021/056281 WO2021180904A1 (en) 2020-03-13 2021-03-11 Multi-leaf collimator
US17/906,181 US20230113879A1 (en) 2020-03-13 2021-03-11 Multi-leaf collimator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2003664.6A GB2592982B (en) 2020-03-13 2020-03-13 Leaf assembly for a multi-leaf collimator

Publications (3)

Publication Number Publication Date
GB202003664D0 GB202003664D0 (en) 2020-04-29
GB2592982A GB2592982A (en) 2021-09-15
GB2592982B true GB2592982B (en) 2022-06-08

Family

ID=70453699

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2003664.6A Active GB2592982B (en) 2020-03-13 2020-03-13 Leaf assembly for a multi-leaf collimator

Country Status (1)

Country Link
GB (1) GB2592982B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008206563A (en) * 2007-02-23 2008-09-11 Hitachi Ltd Multileaf collimator
CN201226257Y (en) * 2008-07-01 2009-04-22 山东新华医疗器械股份有限公司 Low coverage built-in multi-blade grating
CN202128818U (en) * 2010-02-11 2012-02-01 深圳市兴豪燃科技有限公司 Blade transmission mechanism of multileaf collimator
CN204502129U (en) * 2015-02-04 2015-07-29 深圳市埃贝克科技有限公司 A kind of multi-leaf raster leaf anti-falling mechanism
CN205656865U (en) * 2016-03-23 2016-10-19 武汉数码刀医疗有限公司 Blade, blade drive structure, blade subassembly and multi leaf collimator
CN205843700U (en) * 2016-01-13 2016-12-28 深圳市埃贝克科技有限公司 A kind of multi-leaf raster leaf position and speed detector
CN110538387A (en) * 2019-09-09 2019-12-06 上海联影医疗科技有限公司 Multi-blade collimator and radiotherapy equipment

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008206563A (en) * 2007-02-23 2008-09-11 Hitachi Ltd Multileaf collimator
CN201226257Y (en) * 2008-07-01 2009-04-22 山东新华医疗器械股份有限公司 Low coverage built-in multi-blade grating
CN202128818U (en) * 2010-02-11 2012-02-01 深圳市兴豪燃科技有限公司 Blade transmission mechanism of multileaf collimator
CN204502129U (en) * 2015-02-04 2015-07-29 深圳市埃贝克科技有限公司 A kind of multi-leaf raster leaf anti-falling mechanism
CN205843700U (en) * 2016-01-13 2016-12-28 深圳市埃贝克科技有限公司 A kind of multi-leaf raster leaf position and speed detector
CN205656865U (en) * 2016-03-23 2016-10-19 武汉数码刀医疗有限公司 Blade, blade drive structure, blade subassembly and multi leaf collimator
CN110538387A (en) * 2019-09-09 2019-12-06 上海联影医疗科技有限公司 Multi-blade collimator and radiotherapy equipment

Also Published As

Publication number Publication date
GB2592982A (en) 2021-09-15
GB202003664D0 (en) 2020-04-29

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