Surgery – Diagnostic testing – Detecting nuclear – electromagnetic – or ultrasonic radiation
Reexamination Certificate
2011-06-14
2011-06-14
Cattungal, Sanjay (Department: 3768)
Surgery
Diagnostic testing
Detecting nuclear, electromagnetic, or ultrasonic radiation
C600S310000
Reexamination Certificate
active
07962198
ABSTRACT:
An optical tomography system has a group of lasers for generating light of multiple distinct wavelengths within a first wavelength band. Light from these lasers is directed into mammalian tissue at laser-specific locations on the tissue, and light from the mammalian tissue is collected at a plurality of reception points. Collected light from each reception point is separated according to its wavelength, and received by a photodetector to produce path attenuation signals representing attenuation along paths between the laser-specific locations on the tissue and the reception points. Image construction apparatus generates a tomographic image of heme concentrations in the mammalian tissue from the path attenuation signals. In an alternative embodiment, there is a second group of lasers operating in a second wavelength band, and the image construction apparatus can generate an image of heme oxygenation In the mammalian tissue.
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Piao Daqing
Pogue Brian William
Cattungal Sanjay
Lathrop & Gage LLP
The Trustees of Dartmouth College
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