Analyte sensors and methods of use
First Claim
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1. A method of analyzing an analyte in a biological fluid sample, the method comprising:
- contacting an inlet region of a sensor having multi-directional fill capabilities with the sample, the sensor comprising;
a sample chamber configured for multi-directional fill, the sample chamber having an arcuate-triangular shape;
a first electrode pair, wherein electrodes of the first electrode pair are spaced in a lateral direction with respect to each other in the sample chamber, anda second electrode pair, wherein electrodes of the second electrode pair each comprise an electrode portion and a trace portion and wherein entire electrode portions of the electrodes of the second electrode pair are spaced in a longitudinal direction with respect to each other in the sample chamber,wherein the electrode portions of the electrodes of the second electrode pair are positioned in between the first electrode pair, wherein the first electrode pair is a pair of indicator electrodes;
contacting the indicator electrode pair with the sample in the sample chamber; and
after contacting each electrode of the indicator electrode pair with the sample, beginning analysis of the analyte at the second electrode pair.
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Abstract
In vitro analyte sensors and methods of analyte determination are provided. Embodiments include sensors that include a pair of electrodes to monitor filling of the sample chamber with sample.
26 Citations
20 Claims
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1. A method of analyzing an analyte in a biological fluid sample, the method comprising:
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contacting an inlet region of a sensor having multi-directional fill capabilities with the sample, the sensor comprising; a sample chamber configured for multi-directional fill, the sample chamber having an arcuate-triangular shape; a first electrode pair, wherein electrodes of the first electrode pair are spaced in a lateral direction with respect to each other in the sample chamber, and a second electrode pair, wherein electrodes of the second electrode pair each comprise an electrode portion and a trace portion and wherein entire electrode portions of the electrodes of the second electrode pair are spaced in a longitudinal direction with respect to each other in the sample chamber, wherein the electrode portions of the electrodes of the second electrode pair are positioned in between the first electrode pair, wherein the first electrode pair is a pair of indicator electrodes; contacting the indicator electrode pair with the sample in the sample chamber; and after contacting each electrode of the indicator electrode pair with the sample, beginning analysis of the analyte at the second electrode pair. - View Dependent Claims (2, 3)
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4. A sensor for determining concentration of an analyte in a sample, the sensor comprising:
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a sample chamber configured for multi-directional fill, the sample chamber having an arcuate-triangular shape; a first electrode pair, wherein electrodes of the first electrode pair are spaced in a lateral direction with respect to each other in the sample chamber, and a second electrode pair, wherein electrodes of the second electrode pair each comprise an electrode portion and a trace portion and wherein entire electrode portions of the electrodes of the second electrode pair are spaced in a longitudinal direction with respect to each other in the sample chamber, wherein the electrode portions of the electrodes of the second electrode pair are positioned in between the first electrode pair. - View Dependent Claims (5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. An integrated system for determining concentration of an analyte in a sample, the system comprising:
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a housing having an interior space; a sensor for determining the concentration of an analyte in a sample positioned in the interior space, the sensor comprising a sample chamber configured for multi-directional fill and having an arcuate-triangular shape, and a first electrode pair, wherein electrodes of the first electrode pair are spaced in a lateral direction with respect to each other in the sample chamber, and a second electrode pair, wherein electrodes of the second electrode pair each comprise an electrode portion and a trace portion and wherein entire electrode portions of the electrodes of the second electrode pair are spaced in a longitudinal direction with respect to each other in the sample chamber, wherein the electrode portion of the second electrode pair is positioned in between the first electrode pair; and a processor for determining the concentration of the analyte. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification