Apparatuses and methods for extravasation detection
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United States of America Patent
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-
Oct 1, 2002
Issued Date -
N/A
app pub date -
Dec 5, 2001
filing date -
Jul 28, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus for the detection of extravasation is positioned in a manner so that the vicinity of a site is available for palpation and is visible for visual inspection. Another embodiment of the apparatus improves the sensitivity of detection by positioning an energy source and a receiver between a first layer of a high dielectric material and a second lay of a low dielectric material. The apparatus may further include a third layer of a conductive material to shield the apparatus from stray capacitance. In addition, a system for detection of extravasation includes an array of sensors located at, adjacent to and/or remote from an injection site.
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