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CT scanning systems and methods using multi-pixel x-ray sources
专利权人:
Zhengrong Ying
发明人:
Zhengrong Ying,Sergey Simanovsky,Ram Naidu,Sorin Marcovici
申请号:
US13060778
公开号:
US08995610B2
申请日:
2008.09.10
申请国别(地区):
US
年份:
2015
代理人:
摘要:
A CT scanning system may include a multi-pixel x-ray source, and a detector array. The multi-pixel x-ray source may have a plurality of pixels that are disposed along a z-axis, and that are sequentially activated so as to controllably emit x-rays in response to incident electrons. The detector array may have one or more rows of x-ray detectors that detect the x-rays that are emitted from the pixels and have traversed an object, and generate data for CT image reconstruction system. In third generation CT scanning systems, the number of detector rows may be reduced. Multi-pixel x-ray source implementation of saddle curve geometry may render a single rotation single organ scan feasible. Using a multi-pixel x-ray source in stationary CT scanning systems may allow x-ray beam design with a minimal coverage to satisfy mathematical requirements for reconstruction.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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