Clinical v^linical research studies have begun with a new one-of-a-kind scanner that resembles a giant pencil sharpener.
Called the dynamic spatial reconstructor, this highspeed computed tomographic (CT) system reconstructs a moving, three-dimensional, life-size image of all or part of an internal organ from any view desired. At the Mayo Clinic, Rochester, Minn, where the 15.3-metric ton research device was installed in August 1979, investigators have been making scans of various parts of dogs and monkeys for 13 months.
Initial human studies will focus on the heart, lungs, and large blood vessels. Two of the institutes at the National Institutes of Health (NIH), Bethesda, Md, already have invested $5.2 million in the new tool.
Erik L. Ritman, MD, PhD, heads the Mayo biodynamics research unit that has been developing the system for seven years. Because a patient area where preparations, such as the introduction of contrast media, are to be carried