A microcomputer controller has been developed to operate a
stereofluoroscopic system that is to be built at Virginia Polytechnic
Institute and State University. The purpose of the controller is
to provide the radiologist with the maximum amount of fluoroscopic
information with the minimum amount of radiation exposure.
The enhancement of the fluoroscopic information has been
brought about through the implementation of real-time stereoscopic
visualization. Stereoscopic visualization has been achieved by using
PLZT crystal technology. The computer will control two grid-pulsed
x-ray sources, an image intensifier, a solid-state video camera,
a video monitor and the PLZT goggles to provide a stereoscopic
image.
Dose reduction should be obtained through the use of the
computer as the controlling mechanism. Two storage tubes will be
synchronized with the fluoroscopic apparatus to allow repeated
replay of an instantaneous fluoroscopic image. A wide range of
update rates can be selected by the radiologist to yield maximum radiation exposure savings. This stereofluoroscope is expected to
provide real-time analysis with radiation exposures less than or
equal to those achieved in conventional two-dimensional fluoroscopic
analyses.
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