CN110290831A - 一种多叶准直器及放射治疗装置 - Google Patents

一种多叶准直器及放射治疗装置 Download PDF

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Publication number
CN110290831A
CN110290831A CN201780086218.5A CN201780086218A CN110290831A CN 110290831 A CN110290831 A CN 110290831A CN 201780086218 A CN201780086218 A CN 201780086218A CN 110290831 A CN110290831 A CN 110290831A
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China
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blade
optoelectronic switch
shaped optoelectronic
diaphragm collimator
type groove
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CN201780086218.5A
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CN110290831B (zh
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杨斌
张盟蒙
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Cybermed Radiotherapy Technologies Co ltd
Shenzhen Our New Medical Technologies Development Co Ltd
Cybermed Technologies Xian Co Ltd
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Cybermed Radiotherapy Technologies Co ltd
Shenzhen Our New Medical Technologies Development Co Ltd
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    • 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

Abstract

一种多叶准直器，属于医疗器械领域，包括：相对设置的两个叶片组及驱动装置(12)，每个叶片组包括多个叶片(1)，每个叶片(1)与驱动装置(12)连接，叶片(1)可在驱动装置(12)的驱动下进行双向运动，还包括一U型光电开关系统(A11)以及信号处理装置(A20)，U型光电开关系统(A11)包括：对应每个叶片(1)的多个按叶片(1)运动方向排列的U型光电开关(4)，U型光电开关(4)设置在叶片(1)的上端面侧或下端面侧；U型光电开关(4)包括U型槽以及位于U型槽两侧的发射器和接收器；叶片(1)设置在U型槽内并在U型槽内运动；U型光电开关系统(A11)与一信号处理装置(A20)连接，信号处理装置(A20)用于处理U型光电开关系统(A11)输出的脉冲信号以获取叶片(1)运动状态的量化值。该多叶准直器提高了叶片(1)监控的可靠性。

Description

PCT国内申请，说明书已公开。

Claims (10)

  1. PCT国内申请，权利要求书已公开。
CN201780086218.5A 2017-03-21 2017-03-21 一种多叶准直器及放射治疗装置 Active CN110290831B (zh)

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PCT/CN2017/077487 WO2018170730A1 (zh) 2017-03-21 2017-03-21 一种多叶准直器及放射治疗装置

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CN112657069A (zh) * 2020-11-30 2021-04-16 江苏海明医疗器械有限公司 一种多叶准直器叶片零位校准装置

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US11058895B2 (en) * 2017-08-15 2021-07-13 Daegu Gyeongbuk Institute Of Science And Technology Collimator and medical robot including the same
CN112399872B (zh) * 2020-03-12 2022-11-22 上海联影医疗科技股份有限公司 多叶准直器叶片驱动系统和方法
CN111700635A (zh) * 2020-06-28 2020-09-25 上海联影医疗科技有限公司 一种限束装置以及用于限束装置的安装结构

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CN2523447Y (zh) * 2001-11-19 2002-12-04 大连现代高技术发展有限公司 多叶准直器的螺距误差校准机构
US20070176126A1 (en) * 2006-02-02 2007-08-02 Kabushiki Kaisha Toshiba Multi-leaf collimator and a radiotherapy unit provided with the same
CN102117051A (zh) * 2009-12-31 2011-07-06 深圳市海博科技有限公司 一种多叶准直器控制系统
WO2011107112A1 (en) * 2010-03-02 2011-09-09 Elekta Ab (Publ) Improvements in or relating to position detection
CN203874296U (zh) * 2014-06-13 2014-10-15 大连现代高技术集团有限公司 一种自动多叶准直器叶片位置反馈结构及反馈电路
CN104147712A (zh) * 2014-08-28 2014-11-19 山东交通学院 一种多叶准直器叶片位移误差检测装置
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112657069A (zh) * 2020-11-30 2021-04-16 江苏海明医疗器械有限公司 一种多叶准直器叶片零位校准装置

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US10933256B2 (en) 2021-03-02
CN110290831B (zh) 2021-04-20
WO2018170730A1 (zh) 2018-09-27
US20200016430A1 (en) 2020-01-16

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