Estimation of distances and size of lesions in the colon with an imaging capsule
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United States of America Patent
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May 19, 2015
Grant Date -
Aug 1, 2013
app pub date -
Sep 22, 2011
filing date -
Sep 23, 2010
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Abstract
A method of estimating distances in a colon of a subject, including: orally administering to a subject a contrast agent, orally administering an imaging capsule to the subject, emitting radiation from the imaging capsule at a location in the colon, detecting photons that are returned from an interaction of the radiation with an inner wall of the colon and contents of the colon, summating the detected photons with energies corresponding to X-ray fluorescence interactions to form a first count, summating the detected photons with energies corresponding to Compton back-scattering interactions to form a second count, determining the distance from the imaging capsule to the inner wall of the colon and a concentration of the contrast agent at the location of the imaging capsule in the colon using the values of the first count and the second count.
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