Sensors for detecting substances indicative of stroke, ischemia, or myocardial infarction
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United States of America Patent
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Aug 3, 2010
Grant Date -
Apr 13, 2006
app pub date -
Nov 16, 2005
filing date -
May 15, 2000
priority date (Note) -
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Abstract
A sensor is disclosed, for implantation within a blood vessel to monitor a substance in or property of blood. In one embodiment, the sensor detects nitric oxide or a nitric oxide metabolite. In another embodiment, other substances such as glutamate, aspartate, arginine, citrulline, acetylcholine, calcium, potassium, or dopamine are monitored. The sensor may be attached to a support structure such as a stent, guidewire, or catheter. In a further embodiment, a catheter is disclosed that extracts patient fluid to a sensor outside the body for monitoring a substance or property of the patient fluid. Methods are also disclosed.
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