发明授权
US08160338B2 X-ray CT apparatus and myocardial perfusion image generating system
有权
X射线CT装置和心肌灌注图像生成系统
- 专利标题： X-ray CT apparatus and myocardial perfusion image generating system
- 专利标题（中）： X射线CT装置和心肌灌注图像生成系统
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申请号： US12123776申请日： 2008-05-20
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公开(公告)号： US08160338B2公开(公告)日： 2012-04-17
- 发明人: Takashi Ichihara , Richard T. George , Joao A. C. Lima , Albert C. Lardo
- 申请人： Takashi Ichihara , Richard T. George , Joao A. C. Lima , Albert C. Lardo
- 申请人地址： JP Otawara-shi US MD Baltimore
- 专利权人： Toshiba Medical Systems Corporation,The Johns Hopkins University
- 当前专利权人： Toshiba Medical Systems Corporation,The Johns Hopkins University
- 当前专利权人地址： JP Otawara-shi US MD Baltimore
- 代理机构： Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- 优先权： JP2007-300551 20071120
- 主分类号： G06K9/00
- IPC分类号： G06K9/00
摘要：
An apparatus includes a transformation table acquiring unit, a blood-flow information acquisition unit and a blood-flow image generating unit. The transformation table acquiring unit obtains a transformation table for transforming unspecified information representing a concentration of a contrast medium in a myocardium into an unspecified blood flow value image based on a CT image acquired in a concentration transition period. The blood-flow information acquisition unit obtains information representing the concentration of the contrast medium based on a CT image acquired during a constant concentration period. The blood-flow image generating unit generates a blood flow value image based on the information representing the concentration of the contrast medium according to the transformation table.
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