hi SJF in a follow up to your comments/questions...
per filing: page 50
Direct Competitors
At this time, we are not aware of any existing devices in the marketplace that provide 3D, real-time diagnostic medical imaging, with the exception of ultrasound equipment by several manufacturers.
Ultrasound is a real-time tomographic imaging modality. Not only does it produce real-time tomograms of the position of reflecting surfaces (internal organs and structures), but also it can be used to produce real-time images of tissue and blood motion. However, ultrasound is a low-resolution imaging modality that does not produce an image as precise and clear as fluoroscopy. Our devices will rely instead on the use of fluoroscopy, a high-resolution imaging modality, to produce "live" X-ray images of a living patients in 3D.