PMID: 6978897Apr 1, 1982Paper

An inexpensive video patient repositioning system for use with transmission and emission computed tomographs

Journal of Computer Assisted Tomography
J ContiD A Rottenberg

Abstract

We have designed and constructed a portable video system from commercially available components (total cost $5,000) to facilitate accurate patient repositioning for sequential computed tomographic (CT) and positron emission tomographic studies and for therapeutic radiation therapy. The repositioning accuracy of the video system, employed in conjunction with a Delta-Scan 2020 CT scanner, was compared qualitatively (skull phantom and patient subjects) and quantitatively (precision cone phantom) with that of a GE 8800 CT scanner equipped with ScoutView and crossed Gammex lasers (SVL system). Although the SVL and video systems both facilitated accurate repositioning, the video system proved slightly superior. With experience, Z-axis repositioning accuracy of better than 1 mm could be achieved.

Citations

Dec 1, 1984·Journal of Cerebral Blood Flow and Metabolism : Official Journal of the International Society of Cerebral Blood Flow and Metabolism·J C Mazziotta
Nov 25, 2004·Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine·Edward Brian WelchClifford R Jack

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