发明名称 |
MARKER SYSTEMS AND METHODS OF USING THE SAME |
摘要 |
A marker system includes a structure having a first surface and a second surface, a first marker located on the first surface, and a second marker located on the second surface, wherein the first marker and the second marker are arranged so that they face approximately a same direction, and so that they can be simultaneously viewed by an optical device, and wherein a first distance between the first marker and the optical device is different from a second distance between the second marker and the optical device when the first and the second markers are simultaneously viewed by the optical device. |
申请公布号 |
EP2155039(A4) |
申请公布日期 |
2010.06.09 |
申请号 |
EP20080747676 |
申请日期 |
2008.05.06 |
申请人 |
VARIAN MEDICAL SYSTEMS, INC. |
发明人 |
MOSTAFAVI, HASSAN;JEUNG, ANDREW, G. |
分类号 |
A61B1/06 |
主分类号 |
A61B1/06 |
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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