Transdermal analyte sensor assembly and methods of using the same
First Claim
1. A transdermal test sensor assembly adapted to determine an analyte concentration of a fluid sample, the test sensor assembly comprising:
- a sensor support including at least one reservoir holding a liquid;
a test sensor coupled to the sensor support, the test sensor forming at least one aperture therein, at least a portion of the at least one aperture being adjacent to the at least one reservoir; and
a hydrogel composition positioned on the test sensor, the hydrogel composition being linked to the at least one reservoir via the at least one aperture,wherein the hydrogel composition includes a first percentage of a solvent, and the liquid of the at least one reservoir includes a second percentage of a solvent, the second solvent percentage of the liquid being greater than the first solvent percentage of the hydrogel.
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Accused Products
Abstract
A transdermal test sensor assembly adapted to determine an analyte concentration of a fluid sample is disclosed. The assembly comprises a sensor support including at least one reservoir adapted to hold a liquid. The assembly further comprises a test sensor being coupled to the sensor support. The test sensor forms at least one aperture therein. At least a portion of the at least one aperture is adjacent to the at least one reservoir. The assembly further comprises a hydrogel composition positioned on the test sensor. The hydrogel composition is linked to the at least one reservoir via the at least one aperture.
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Citations
20 Claims
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1. A transdermal test sensor assembly adapted to determine an analyte concentration of a fluid sample, the test sensor assembly comprising:
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a sensor support including at least one reservoir holding a liquid; a test sensor coupled to the sensor support, the test sensor forming at least one aperture therein, at least a portion of the at least one aperture being adjacent to the at least one reservoir; and a hydrogel composition positioned on the test sensor, the hydrogel composition being linked to the at least one reservoir via the at least one aperture, wherein the hydrogel composition includes a first percentage of a solvent, and the liquid of the at least one reservoir includes a second percentage of a solvent, the second solvent percentage of the liquid being greater than the first solvent percentage of the hydrogel. - View Dependent Claims (2, 3, 5, 6)
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4. A test sensor assembly for determining an analyte concentration of a fluid sample, the test sensor assembly comprising:
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a sensor support including at least one reservoir adapted to hold a liquid; a test sensor coupled to the sensor support, the test sensor forming at least one aperture therein, at least a portion of the at least one aperture being adjacent to the at least one reservoir; and a hydrogel composition positioned on the test sensor, the hydrogel composition being linked to the at least one reservoir via the at least one aperture, wherein the sensor support further includes a recessed area having dimensions generally similar to dimensions of the test sensor, the recessed area being adjacent to the test sensor, the at least one reservoir being positioned within the recessed area.
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7. A transdermal analyte-testing assembly adapted to determine an analyte concentration of a sample, the analyte-testing assembly comprising:
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a sensor support including at least one reservoir holding a liquid; a test sensor coupled to the sensor support, the test sensor forming at least one aperture therein, at least a portion of the at least one aperture being adjacent to the at least one reservoir; a hydrogel composition linked to the at least one reservoir via the at least one aperture; and an analyte-testing instrument coupled to the sensor support, the analyte-testing instrument being adapted to determine an analyte concentration of a sample, wherein the hydrogel composition includes a first percentage of a solvent, and the liquid of the at least one reservoir includes a second percentage of a solvent, the second solvent percentage of the liquid being greater than the first solvent percentage of the hydrogel. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A non-invasive method of determining a concentration of at least one analyte in a body fluid, the method comprising the acts of:
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providing a transdermal test sensor assembly including a sensor support, a test sensor, and a hydrogel composition, the test sensor support including at least one reservoir, the at least one reservoir including a liquid, the test sensor being coupled to the sensor support, the test sensor forming at least one aperture therein, at least a portion of the at least one aperture being adjacent to the at least one reservoir, the hydrogel composition being linked to the at least one reservoir via the at least one aperture; contacting the transdermal sensor to an area of skin such that the hydrogel composition is positioned between the skin and the test sensor; coupling an analyte-testing instrument to the transdermal test sensor assembly; and determining the concentration of the analyte using the analyte-testing instrument, wherein the hydrogel composition includes a first percentage of a solvent, the liquid of the at least one reservoir includes a second percentage of a solvent, the second solvent percentage of the liquid being greater than the first solvent percentage of the hydrogel. - View Dependent Claims (14, 15, 16, 17, 18)
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19. A test sensor assembly for determining an analyte concentration of a fluid sample, the test sensor assembly comprising:
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a sensor support first and second reservoirs each holding liquid; a test sensor coupled to the sensor support, the test sensor forming first and second apertures each located immediately adjacent to a respective one of the reservoirs; and a hydrogel composition positioned on the test sensor, the hydrogel composition being linked to at least one of the reservoirs via at least one of the apertures. - View Dependent Claims (20)
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Specification