Low-noise optical probes for reducing ambient noise
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United States of America Patent
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Jan 27, 2009
Grant Date -
Feb 24, 2005
app pub date -
Oct 4, 2004
filing date -
Mar 21, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An optical probe, which is particularly suited to reduce noise in measurements taken on an easily compressible material, such as a finger, a toe, a forehead, an earlobe, or a lip, measures characteristics of the material. A neonatal and adult disposable embodiment of the probe include adhesive coated surfaces to securely affix the probe onto the patient. In addition, the surface of the probe is specially constructed to reduce the effect of ambient noise.
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