发明名称 |
CONE-BEAM CT HALF-CYCLE CLOSED HELICAL TRAJECTORY |
摘要 |
A tomographic apparatus (10) includes radiation source (20), at least one radiation sensitive detector (30), and a reconstruction system (40). The radiation source (20) sweeps along a z-axis (16) and returns to its initial position in coordination with about two revolutions of the radiation source (20) about an imaging region (32) with a frequency of about half a frequency of a revolution of the radiation source (20) about the imaging region (32). The at least one radiation sensitive detector (30) detects radiation emitted by the radiation source (20) that traverses a volume of interest (52) within the imaging region (32) and generates data indicative of the detected radiation. The reconstruction system (40) reconstructs the detected data to generate an image of a subject in the volume of interest (52). |
申请公布号 |
WO2007140090(A2) |
申请公布日期 |
2007.12.06 |
申请号 |
WO2007US68523 |
申请日期 |
2007.05.09 |
申请人 |
KONINKLIJKE PHILIPS ELECTRONICS, N.V.;HEUSCHER, DOMINIC, J. |
发明人 |
HEUSCHER, DOMINIC, J. |
分类号 |
|
主分类号 |
|
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|