Optical sensor for fluid parameters
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United States of America Patent
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Aug 2, 1994
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N/A
app pub date -
Oct 23, 1992
filing date -
Dec 19, 1991
priority date (Note) -
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Abstract
Methods for making optical fiber sensor probes for measuring or monitoring parameters of fluids, including but not limited to measuring blood gas concentrations and pH either in a vessel in vitro or in a human artery. Such probes, in one aspect, have one or more optical fibers with one or more chambers with a chemical indicating materialtherein which changes in response to light transmitted therethrough. In one aspect such probes have a probe body including a plurality of fibers having a substantial portion of their surfaces covered with an opaque material to enhance light signal transmission therethrough. Such probes may also have a coating thereon of an anti-thrombogenic mnaterial.
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