Method for evaluating skin hydration and fluid compartmentalization
First Claim
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1. A method for determining hydration comprising:
- extracting fluid through microneedles inserted into skin;
determining the pressure gradient required to extract the fluid; and
determining a hydration index based on the pressure gradient.
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Abstract
There is provided a system and method for evaluating skin hydration and fluid compartmentalization. The system includes a microneedle array configured to extract fluid from an interstitial space and a pressure sensor configured to measure a pressure differential between the interstitial space and ambient pressure during extraction of the fluid. A processor coupled to the pressure sensor is configured to compute a hydration index based on the pressure differential. A display coupled to the processor is configured to display the hydration index.
107 Citations
30 Claims
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1. A method for determining hydration comprising:
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extracting fluid through microneedles inserted into skin; determining the pressure gradient required to extract the fluid; and determining a hydration index based on the pressure gradient. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 26, 27, 28, 29, 30)
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11-25. -25. (canceled)
Specification