发明授权
- 专利标题: Angiographic method and apparatus allowing identification of contrast agent propagation
- 专利标题(中): 允许鉴别造影剂传播的血管造影方法和装置
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申请号: US12335627申请日: 2008-12-16
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公开(公告)号: US08116844B2公开(公告)日: 2012-02-14
- 发明人: Sebastian Schmidt
- 申请人: Sebastian Schmidt
- 申请人地址: DE Munich
- 专利权人: Siemens Aktiengesellschaft
- 当前专利权人: Siemens Aktiengesellschaft
- 当前专利权人地址: DE Munich
- 代理机构: Schiff Hardin LLP
- 优先权: DE102007060689 20071217
- 主分类号: A61B5/055
- IPC分类号: A61B5/055 ; A61B6/00 ; G01V3/00
摘要:
In a method and apparatus for acquisition of angiographic data sets of a region of an examination subject, into whose bloodstream a contrast agent has been introduced, a data set of the region to be examined is acquired during a first propagation phase of the contrast agent in the bloodstream as a reference data set to determine reference data, additional data sets of the region to be examined are then acquired, and based on the reference data, variations that are caused in at least some of the additional data sets due to the arrival of a second propagation phase of the contrast agent are determined, and the arrival of the second propagation phase of the contrast agent in the bloodstream is identified based on the determined variations.