发明名称 |
Jaw and circular collimator |
摘要 |
A collimator apparatus for a treatment planning machine that delivers a beam. A circular collimator defines a circular aperture for the beam. At least one movable collimator jaw is moved into the projection of the circular aperture with respect to the beam in order to eclipse a portion of the beam.
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申请公布号 |
US6278766(B1) |
申请公布日期 |
2001.08.21 |
申请号 |
US20000492879 |
申请日期 |
2000.01.25 |
申请人 |
SHERWOOD SERVICES AG |
发明人 |
KOOY HANNE M.;HACKER FRED L.;BELLERIVE MARC R. |
分类号 |
G21K1/04;(IPC1-7):G21K1/02 |
主分类号 |
G21K1/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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