发明名称 METHOD AND APPARATUS FOR CORRECTING FOCUS OF CT DEVICE
摘要 A method and apparatus for correcting a focus of a CT device are provided. The method includes: calculating a total focus shift according to scanning data; and correcting, when the CT device is running, a deflection of an electron beam emitted from a ray source of the CT device, based on the total focus shift. The device includes: a shift calculation module, configured to calculate a total focus shift according to scanning data; and a shift correction module, configured to correct, when the CT device is running, a deflection of an electron beam emitted from a ray source of the CT device, based on the total focus shift.
申请公布号 US2015117618(A1) 申请公布日期 2015.04.30
申请号 US201414477862 申请日期 2014.09.05
申请人 Shenyang Neusoft Medical Systems Co., Ltd. 发明人 LI Shuangxue;XIANG Xin;JIANG Zhewen
分类号 A61B6/00;H01J35/14 主分类号 A61B6/00
代理机构 代理人
主权项 1. A method for correcting a focus of a CT device, comprising: calculating a total focus shift according to scanning data; and correcting, when the CT device is running, a deflection of an electron beam emitted from a ray source of the CT device, based on the total focus shift.
地址 Shenyang CN