Device and method for enhancing transdermal flux of agents being sampled
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United States of America Patent
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Mar 25, 2003
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N/A
app pub date -
Dec 16, 1999
filing date -
Jun 18, 1996
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Abstract
A minimally invasive transdermal agent sampling device (2, 10) comprises a sheet (6) having a plurality of openings (8) and a plurality of microblades (4) for piercing the skin (20). A suction device (10) applies a negative pressure through the openings (8) to the microslits in the skin (20) for enhanced efflux of interstitial fluid. The device (2, 10) can be used for transdermal sampling of body analytes such as glucose for measuring/estimating blood glucose concentration.
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