发明公开
EP1540667A1 APPARATUS AND METHOD FOR FOCUSING A RADIOTHERAPY FIELD, WHERE SLIDABLE PLATES ON THE COLLIMATOR RING CONTROLS THE COLLIMATOR.
有权
DEVICE AND METHOD FOR放射疗法场对COLLIMATORRING准直税聚焦，WITH滑板
- 专利标题： APPARATUS AND METHOD FOR FOCUSING A RADIOTHERAPY FIELD, WHERE SLIDABLE PLATES ON THE COLLIMATOR RING CONTROLS THE COLLIMATOR.
- 专利标题（中）： DEVICE AND METHOD FOR放射疗法场对COLLIMATORRING准直税聚焦，WITH滑板
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申请号： EP03733798.7申请日： 2003-06-25
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公开(公告)号： EP1540667A1公开(公告)日： 2005-06-15
- 发明人: CARLSSON, Per , HANNER, Gert , ALKSNIS, Ivars , NILSSON, Anders , FRÖBERG, Peter
- 申请人： Elekta AB (publ)
- 申请人地址： P.O. Box 7593 103 93 Stockholm SE
- 专利权人： Elekta AB (publ)
- 当前专利权人： Elekta AB (publ)
- 当前专利权人地址： P.O. Box 7593 103 93 Stockholm SE
- 代理机构： Skagersten, Thomas
- 优先权： SE0202106 20020705
- 国际公布： WO2004006269 20040115
- 主分类号： G21K1/02
- IPC分类号： G21K1/02 ; A61N5/01
摘要：
A radiation therapy device and a method of changing the spatial dose distribution surrounding a focus are disclosed. At least a subset of the radioactive sources in a source carrier is linearly displaceable relatively to at least a subset of collimator passage inlets, or vice versa.
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