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Multisource inverse-geometry CT — Prototype system integration

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13 Author(s)
Jorge Uribe ; GE Global Research, Niskayuna, NY 12309 ; Joseph L. Reynolds ; Louis P. Inzinna ; Randy Longtin
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Today's 3rd generation CT scanners have one or two X-ray tubes, with one focal spot or “source” per vacuum chamber or “tube”. Our first multi-source inverse geometry CT prototype has eight X-ray sources. We have demonstrated multisource imaging with an 8-spot X-ray tube on a stationary gantry and a rotating phantom. We present an update on the development of the gantry-based multi-source CT scanner: we combine the multi-source X-ray tube and gantry rotation producing the first multi-source gantry-based CT scanner prototype. Currently the system is in the process of being upgraded to 32 X-ray sources to provide a larger field-of-view and to demonstrate the concept of virtual bowtie.

Published in:

IEEE Nuclear Science Symposuim & Medical Imaging Conference

Date of Conference:

Oct. 30 2010-Nov. 6 2010