Methods and devices for facilitated non-invasive oxygen monitoring
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United States of America Patent
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Apr 4, 1995
Issued Date -
N/A
app pub date -
Jun 3, 1992
filing date -
Jun 28, 1991
priority date (Note) -
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Abstract
The present invention is directed to a sensor system for use with a blood characteristic measurement device such as a pulse oximeter, on areas of the body having low normal cutaneous blood flow and for monitoring a blood characteristic such as oxygen saturation and pulse rate of patients, preferably over an extended period of time. The sensor system includes (a) a transdermal device containing a blood perfusion-enhancing agent that is administered in a controlled amount to the skin of a human patient and (b) a skin surface sensor.
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