LASER DIODE OPTICAL TRANSDUCER ASSEMBLY FOR NON-INVASIVE SPECTROPHOTOMETRIC BLOOD OXYGENATION
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United States of America Patent
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N/A
app pub date -
Sep 28, 2007
filing date -
Mar 12, 1999
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An infrared spectrometric monitoring transducer includes a shielded cable, a fiber optic light guide, a transducer housing, a light source, and at least one light detector. The light source is mounted in the transducer housing and is operable to produce a light signal along a plurality of discrete wavelengths. The at least one light detector is mounted in the housing and is operable to receive light energy corresponding to the light signal. The at least one light detector is mounted in the transducer housing spaced a distance apart from the light source along a straight line extending the light source and the at least one light detector. The shielded cable and the fiber optic light guide are disposed adjacent the light source and the transducer has an 'L' shape formed by the shielded cable and the fiber optic light guide extending outwardly from the transducer housing in a direction substantially perpendicular to the line between the extending the light source and the at least one light detector.
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