The links you provided all are PACS system(software) if I am correct. No software is realtime. There are number of softwares out there to do once you construct & archive all the images. It's just different way of presenting using the software(2D, 3D and 4D etc) if I understood this correct.
But The real trick is How do you do the real time (within a second, you scan/construct/project) in your viewing system. No system is out there in there in the market. Volumetric X ray imaging is getting popular now. But these all will be obsolute(spelling?!) when Dominion takes over. Bigger players will buy out as soon as Dominion approved.
They pay the cost of invention( a decade of work), patent, future market share(minimum 5 billion $)- all parts of the body and other than medical industry too.
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