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Real-time feedback for preventing high dose C-Arch geometry positions
专利权人:
发明人:
Petrus Johannes Withagen,Markus Johannes Harmen Den Hartog,Bart Pierre Antoine Jozef Hoornaert
申请号:
US14363736
公开号:
US09445771B2
申请日:
2012.12.05
申请国别(地区):
US
年份:
2016
代理人:
摘要:
An apparatus aids operation of an interventional x-ray imager during image acquisition, where the X-ray imager is configured to vary X-ray dosages depending on differences in X-ray attenuation levels across an object of interest to be imaged. The X-ray imager is further configured to assume any one of a plurality of imaging geometry positions when acquiring an image. An indication, visual, acoustic or haptic, to the operator of the X-ray imager is provided on the incurred change in X-ray dosage when changing from a current projection view to an updated projection view, while a given constant image quality is maintained throughout the different views.
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