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AssigneeRoche Diagnostics Operations, Inc.
InventorsKlaus Andreas Bauer-Espindola, Michael Marquant, Christine Nortmeyer, Reiner Stein
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A test element for electrochemically detecting at least one analyte in a bodily fluid is disclosed. The test element comprises at least one first electrode and at least one second electrode. The first electrode is designed as a working electrode and the second electrode is designed as a counter electrode. The test element comprises at least one capillary capable of receiving a sample of the body fluid. The first electrode and the second electrode are arranged on opposing sides of the capillary. The first electrode and the second electrode are arranged such that during a capillary filling the first electrode and the second electrode are wetted simultaneously and at an equal rate.
A system for determining at least one property of a sample, the system comprising at least one test element, wherein the test element comprises at least one first electrode and at least one second electrode, wherein the first electrode is designed as a working electrode and the second electrode is designed as a counter electrode, wherein the test element comprises at least one capillary capable of receiving a sample of the body fluid, wherein the first electrode and the second electrode are arranged on opposing sides of the capillary, wherein the first electrode and the second electrode and the capillary in between the first electrode and the second electrode form an electrochemical cell, wherein the test element is configured to detect the at least one analyte independently of a filling level of the electrochemical cell, wherein the first electrode and the second electrode are arranged such that during a capillary filling the first electrode and the second electrode are wetted simultaneously and at an equal rate, the system further comprising at least one measurement device adapted for performing at least one electrical measurement using the test element, wherein the measurement device is configured to detect both an AC signal and a DC signal, and wherein the measurement device is configured to detect the at least one analyte independently of a filling level of the electrochemical cell.
A test element for electrochemically detecting at least one analyte in a bodily fluid, wherein the test element comprises at least one first electrode and at least one second electrode, wherein the first electrode is designed as a working electrode and the second electrode is designed as a counter electrode, wherein the test element comprises at least one capillary capable of receiving a sample of the body fluid, wherein the first electrode and the second electrode are arranged on opposing sides of the capillary, wherein the first electrode and the second electrode and the capillary in between the first electrode and the second electrode form an electrochemical cell, wherein the test element is configured to detect the at least one analyte independently of a filling level of the electrochemical cell, wherein the first electrode and the second electrode are arranged such that during a capillary filling the first electrode and the second electrode are wetted simultaneously and at an equal rate, wherein the capillary is open at three sides, wherein a sample of bodily fluid is applicable to one or both of a side dose position or a front dose position, wherein the test element comprises a first electrode contact zone and a second electrode contact zone configured to contact the first electrode and the second electrode with a further device, wherein the first electrode contact zone and the second electrode contact zone are arranged in different layers of a layer setup of the test element, wherein one of the first electrode contact zone and the second electrode contact zone protrudes over the other one of the first electrode contact zone and the second electrode contact zone, wherein the first electrode contact zone and the second electrode contact zone are configured to be electrically contacted from opposing sides of the test element, wherein the test element comprises a layer setup, wherein the first electrode comprises at least one first electrode conductive layer disposed on at least one first electrode carrier layer, wherein the second electrode comprises at least one second electrode conductive layer disposed on at least one second electrode carrier layer, and wherein at least one spacer layer is disposed in between the first electrode conductive layer and the second electrode conductive layer.
Dependencies are inferred from the claim text.