Cardiac Biosensor Devices and Methods
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United States of America Patent
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N/A
Issued Date -
Feb 7, 2008
app pub date -
Aug 2, 2007
filing date -
Aug 3, 2006
priority date (Note) -
Abandoned
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Abstract
Implantable medical devices for cardiac care are provided that include a housing having a power source and control electronics; at least one lead extending from the housing and having one or more discrete reservoirs therein, each reservoir having an opening to an outer surface of the lead; one or more sensors, which monitor or detects an analyte, biomarker, or physical parameter that is associated with cardiac health, located in the reservoirs and in operable communication with said control electronics; and at least one selectively disintegratable reservoir cap sealing each of the reservoir openings, wherein the reservoir cap is operably connected to the power source and control electronics to disintegrate the reservoir cap and expose the sensors in vivo. The sensor may detect an analyte or biomarker selected from potassium ion, sodium ion, lithium ion, magnesium ion, ammonium ion, ionized calcium, lactate, oxygen, carbon dioxide, and creatinine, urea, BUN, and bilirubin.
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