X-ray calibration
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United States of America Patent
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Dec 13, 2011
Grant Date -
Jun 3, 2010
app pub date -
Nov 25, 2009
filing date -
Nov 26, 2008
priority date (Note) -
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Abstract
Methods, devices, and kits for determining the magnification of an x-ray image of an object, or a portion of an object are described. An exemplary method comprises the steps of providing an object to be x-rayed, providing a first posterior x-ray marker having a pre-determined dimension, providing anteriorly to the object to be x-rayed, a second x-ray marker having predetermined dimensions, recording an x-ray image of the object, the first posterior x-ray marker, and second x-ray markers, and comparing a dimension of the first posterior x-ray marker recorded on the x-ray image, and a dimension of the second x-ray marker recorded on the image to a pre-determined value for the object x-rayed, to estimate a magnification of the x-ray image of the object.
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