Miniature optically coupled electrically isolated ultrasensitive dynamic pressure detector
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United States of America Patent
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Jul 1, 2008
Grant Date -
Oct 12, 2006
app pub date -
Feb 19, 2004
filing date -
Feb 24, 2003
priority date (Note) -
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Abstract
A system for monitoring low dynamic pressures in confined spaces, such system comprising a catheter, a multilayered corrugated membrane of diameter less than 2 mm with a reflective inner layer mounted within said catheter; a set of optical fibers comprising one or more illuminating fibers and two or more detecting fibers which are contained within said catheter and whose ends are set at differing distances from the membrane; an illuminating system coupled to said illuminating fibers; and a detection system coupled to said illuminating fibers.
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