Method and device for displaying the deployment of an endovascular prosthesis
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United States of America Patent
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Dec 14, 2004
Issued Date -
N/A
app pub date -
Jun 19, 2002
filing date -
Jun 29, 2001
priority date (Note) -
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Abstract
An element is dissolved displayed having a periodic structure, such as a stent, images of which are acquired by means of a radiography machine of the type comprising an X-ray source and an image detector and an image display placed opposite the source. The images obtained are displayed with an overall magnification of: ##EQU1## where f.sub.S is the fundamental frequency, being the inverse of the spatial period of the stent in pairs of lines per millimeter, where f.sub.CSF is the spatial frequency corresponding to the contrast sensitivity maximum for the human eye in cycles per degree; and where ESD is the expected distance in millimeters between the images displayed and an observer viewing these images.
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