Examination of subjects using photon migration with high directionality techniques
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United States of America Patent
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Mar 7, 2006
Grant Date -
Oct 10, 2002
app pub date -
Aug 7, 2001
filing date -
Jun 17, 1992
priority date (Note) -
Expired
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Abstract
A spectroscopic method and system for examination of biological tissue includes multiple input ports optically connected to at least one light source, multiple detection ports optically connected to at least one detector, a radiation pattern controller coupled to the light source and detector, and a processor. The multiple input ports are arranged to introduce light at input locations into biological tissue and the multiple detection ports are arranged to collect light from detection locations of the biological tissue. The radiation pattern controller is constructed to control patterns of light introduced from the multiple input ports and constructed to control detection of light migrating to the multiple detection ports. The processor is operatively connected to the radiation pattern controller and connected to receive detector signals from the detector, and is constructed to examine a tissue region based on the introduced and detected light patterns.
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