CN104205240A - 一种可变换射野尺寸的准直器组合及其放射装置 - Google Patents
一种可变换射野尺寸的准直器组合及其放射装置 Download PDFInfo
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- CN104205240A CN104205240A CN201380004394.1A CN201380004394A CN104205240A CN 104205240 A CN104205240 A CN 104205240A CN 201380004394 A CN201380004394 A CN 201380004394A CN 104205240 A CN104205240 A CN 104205240A
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- collimater
- collimator
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- 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
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- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Radiation-Therapy Devices (AREA)
Abstract
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Claims (1)
- 权 利 要 求 书1、 一种放射装置, 包括: 源体用于产生放射性射线; 载源体, 所述源体设置在载源体上; 准直器固定架, 设置在载源体内侧, 并与载源体构成同心圆, 所述同心圆 圆心为放射焦点, 所述准直器固定架与载源体围绕放射焦点做整周转动; 准直器组合, 包括至少一个准直器, 所述准直器组合安装在准直器固定架 上; 每个准直器可以绕着放射焦点来回摆动。 其特征在于: 所述准直器组合中每个准直器沿所述放射焦点旋转方向上设置了 N条开口 尺寸不等的准直开口。2、 如权利要求 1所述的放射装置, 其特征在于: 还包括圆弧导轨, 所述圆弧导 轨设置在准直器固定架与准直器中间,并与载源体及准直器固定架构成同心圆, 所述准直器通过圆弧导轨可与载源体做相对同心摆动。3、 如权利要求 1所述的放射装置, 其特征在于: 还包括预准直器, 所述预准直 器设置在载源体上, 并与源体在轴心线方向紧密配合。4、如权利要求 1所述的放射装置, 其特征在于: 所述准直器组合包括 M个准直 器, 其中 M为整数, 且 1 M 8。5、如权利要求 1所述的放射装置, 其特征在于: 所述准直器组合中每个准直器 之间的夹角相等或不等。6、如权利要求 1所述的放射装置,其特征在于:所述 N条准直开口中 N为整数, 且 1 N 6。7、 如权利要求 6所述的放射装置, 其特征在于: 所述 N条准直开口中 N为 4。8、如权利要求 7所述的放射装置, 其特征在于, 所述 4条准直开口在焦平面上 形成的射野尺寸依次为 4毫米、 8毫米、 16毫米、 20毫米。9、如权利要求 1所述的放射装置, 其特征在于, 所述准直器固定架通过定位销 及螺钉固定在载源体内测。10、 一种安装在如权利要求 1所述的放射装置上的准直器, 其特征在于, 所述 准直器设置了 N条开口尺寸不等的准直开口, 每条准直开口在焦平面上形成的 射野尺寸不等, 所述 N为整数, 且 1 N 6。
Applications Claiming Priority (1)
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PCT/CN2013/071984 WO2014131173A1 (zh) | 2013-02-28 | 2013-02-28 | 一种可变换射野尺寸的准直器组合及其放射装置 |
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CN104205240A true CN104205240A (zh) | 2014-12-10 |
CN104205240B CN104205240B (zh) | 2016-08-24 |
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WO (1) | WO2014131173A1 (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106572823A (zh) * | 2014-07-15 | 2017-04-19 | 皇家飞利浦有限公司 | 投影数据采集装置 |
CN109925608A (zh) * | 2017-12-15 | 2019-06-25 | 瑞地玛医学科技有限公司 | 一种准直器 |
WO2019205220A1 (zh) * | 2018-04-26 | 2019-10-31 | 瑞地玛医学科技有限公司 | 一种放射治疗设备及其限束器 |
Families Citing this family (2)
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---|---|---|---|---|
US10839973B2 (en) | 2016-02-25 | 2020-11-17 | Illinois Tool Works Inc. | X-ray tube and gamma source focal spot tuning apparatus and method |
EP4358847A1 (en) | 2021-06-23 | 2024-05-01 | Kimtron, Inc. | System and method for ultra-close proximity irradiation of rotating biomass |
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CN1061524A (zh) * | 1990-11-19 | 1992-06-03 | 通用电气公司 | 带有跟踪x射线源的螺旋线扫描ct |
US20020015474A1 (en) * | 2000-07-31 | 2002-02-07 | Analogic Corporation | X-ray collimator |
CN101919700A (zh) * | 2009-06-10 | 2010-12-22 | 上海西门子医疗器械有限公司 | 一种准直器调节方法和装置 |
CN102764137A (zh) * | 2012-07-27 | 2012-11-07 | 苏州生物医学工程技术研究所 | 一种静态ct扫描仪及其散射x光子校正方法 |
CN202620505U (zh) * | 2012-05-29 | 2012-12-26 | 深圳市奥沃医学新技术发展有限公司 | 一种可切换射线限束单元的准直装置及放射治疗设备 |
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2013
- 2013-02-28 WO PCT/CN2013/071984 patent/WO2014131173A1/zh active Application Filing
- 2013-02-28 CN CN201380004394.1A patent/CN104205240B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1061524A (zh) * | 1990-11-19 | 1992-06-03 | 通用电气公司 | 带有跟踪x射线源的螺旋线扫描ct |
US20020015474A1 (en) * | 2000-07-31 | 2002-02-07 | Analogic Corporation | X-ray collimator |
CN101919700A (zh) * | 2009-06-10 | 2010-12-22 | 上海西门子医疗器械有限公司 | 一种准直器调节方法和装置 |
CN202620505U (zh) * | 2012-05-29 | 2012-12-26 | 深圳市奥沃医学新技术发展有限公司 | 一种可切换射线限束单元的准直装置及放射治疗设备 |
CN102764137A (zh) * | 2012-07-27 | 2012-11-07 | 苏州生物医学工程技术研究所 | 一种静态ct扫描仪及其散射x光子校正方法 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106572823A (zh) * | 2014-07-15 | 2017-04-19 | 皇家飞利浦有限公司 | 投影数据采集装置 |
CN109925608A (zh) * | 2017-12-15 | 2019-06-25 | 瑞地玛医学科技有限公司 | 一种准直器 |
WO2019205220A1 (zh) * | 2018-04-26 | 2019-10-31 | 瑞地玛医学科技有限公司 | 一种放射治疗设备及其限束器 |
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CN104205240B (zh) | 2016-08-24 |
WO2014131173A1 (zh) | 2014-09-04 |
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Denomination of invention: A Collimator Combination with Variable Field Size and Its Radiation Device Effective date of registration: 20230720 Granted publication date: 20160824 Pledgee: Guanggu Branch of Wuhan Rural Commercial Bank Co.,Ltd. Pledgor: WUHAN CYBERMED SYSTEM Co.,Ltd. Registration number: Y2023420000310 |