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Biotech / Medical : IMAT - ultrafast tomography for coronary artery disease -- Ignore unavailable to you. Want to Upgrade?

To: john couch who wrote (2789)	12/18/1998 7:56:00 PM
From: rairden	Read Replies (2) \| Respond to of 3725

Wow. High resolution tomography is going to be expensive no matter how you slice it... Thank you for expanding on my low tech explanation of the concept. I wouldn't have guessed as many as 1728 detectors. My take on the current question is whether a calcium score could be obtained without such precise imaging. I figure no; good spatial resolution is a requirement to detect localized absorption sites like arterial calcium deposits. Regarding patents: one can do a Boolean search at the US Patent and Trademark site -- uspto.gov Get 35 hits on "Imatron", and links all the way back to Boyd's # 4,352,021 "X-Ray transmission scanning system and method and electron beam X-ray scan tube for use therewith," 9/28/1982. These patent descriptions give a glimpse into how complicated the development of EBCT has been.