METHOD AND APPARATUS FOR SPECTROPHOTOMETRIC BASED OXIMETRY OF SPINAL TISSUE
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United States of America Patent
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Issued Date -
Apr 29, 2010
app pub date -
Oct 28, 2009
filing date -
Oct 28, 2008
priority date (Note) -
Abandoned
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Abstract
A near infrared spectrophotometric sensor for non-invasive monitoring of blood oxygenation levels in a subject's spinal cord tissue and spinal cord blood vessels is provided. The sensor includes at least one light source and at least one light detector. The light source is operative to emit near infrared light signals of a plurality of different wavelengths. The light detector is operative to sense light signals emitted from the light source and passed through the subject's spinal tissue, and to produce a sensor signal representative of the sensed light signals The light source is separated from the light detector by a distance representative of a distance from a first vertebrae structure of a human spine to a second vertebrae structure of the human spine, to permit alignment of the light source and detector with the first and second vertebrae structure.
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