Multi-layered biosensor encoding systems
First Claim
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1. A biosensor for determining a characteristic of a biological sample, comprising:
- an analysis device having a processor connected to a pattern read device;
a sensor element having a multi-layered encoding area with at least a first layer and a second layer, the first layer and the second layer defining at least one pattern that provides encoding information for the analysis device, at least a portion of the second layer being disposed on at least a portion of the first layer, the portion of the second layer being non-coplanar with the portion of the first layer, the portion of the second layer covering the portion of the first layer relative to the pattern read device;
where the analysis device and sensor element implement an sample analysis, where the sample analysis has at least one analysis equation;
where the pattern read device directly reads the first layer and the second layer to determine the at least one pattern;
where the processor determines encoded information responsive to the at least one pattern;
where the processor executes the at least one analysis equation according to the encoded information; and
where the processor determines a characteristic of a biological sample according to the at least one analysis equation and the encoded information.
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Abstract
A biosensor system determines the presence and/or concentration of an analyte in a sample using one or more calibrated correlation equations. The analysis may be electrochemical, optical, or a combination thereof. The biosensor system may be implemented using a measurement device and a sensor strip. The measurement device applies test signals to a multi-layered encoding area of the sensor strip. Calibration information is determined from the patterns generated by the interaction of the test signals with the multi-layered encoding area.
36 Citations
26 Claims
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1. A biosensor for determining a characteristic of a biological sample, comprising:
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an analysis device having a processor connected to a pattern read device; a sensor element having a multi-layered encoding area with at least a first layer and a second layer, the first layer and the second layer defining at least one pattern that provides encoding information for the analysis device, at least a portion of the second layer being disposed on at least a portion of the first layer, the portion of the second layer being non-coplanar with the portion of the first layer, the portion of the second layer covering the portion of the first layer relative to the pattern read device; where the analysis device and sensor element implement an sample analysis, where the sample analysis has at least one analysis equation; where the pattern read device directly reads the first layer and the second layer to determine the at least one pattern; where the processor determines encoded information responsive to the at least one pattern; where the processor executes the at least one analysis equation according to the encoded information; and where the processor determines a characteristic of a biological sample according to the at least one analysis equation and the encoded information. - View Dependent Claims (2, 3, 4, 5, 6, 7, 21, 24)
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8. A biosensor for determining a characteristic of a biological sample, comprising:
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an analysis device having a processor connected to a pattern read device, where the pattern read device has an array of electrical contacts; a sensor element having a multi-layered encoding area with at least a first layer and a second layer, the first layer and the second layer defining at least one pattern that provides encoding information for the analysis device, at least a portion of the second layer being disposed on at least a portion of the first layer, the portion of the second layer being non-coplanar with the portion of the first layer, where the encoding area has at least two electrical connectivities, where at least one connectivity has at least one contact area on the first layer and at least one contact area on the second layer, where the contact areas are in direct electrical communication with the electrical contacts, the portion of the second layer keeping the portion of the first layer from being in contact with the electrical contacts by covering the portion of the first layer relative to the electrical contacts; where the analysis device and sensor element implement a sample analysis, where the sample analysis has at least one analysis equation; where the electrical contacts selectively apply test signals to the contact areas on the encoding area; where the pattern read device senses the at least two electrical connectivities on the encoding area; where the processor determines encoded information responsive to the at least two electrical connectivities; where the processor executes the at least one analysis equation according to the encoded information; and where the processor determines a characteristic of a biological sample according to the at least one analysis equation and the encoded information. - View Dependent Claims (9, 10, 11, 12, 22, 25)
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13. A method for determining a characteristic of a biological sample, comprising:
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sensing, with a pattern read device of an analysis device, a multi-layered encoding area, the multi-layered encoding area having at least a first layer and a second layer, at least a portion of the second layer being disposed on at least a portion of the first layer, the first layer and the second layer defining at least one pattern that provides encoding information for the analysis device, the portion of the second layer being non-coplanar with the portion of the first layer, the portion of the second layer covering the portion of the first layer relative to the pattern read device, the pattern read device directly reading the first layer and the second layer to determine the at least one pattern; determining, with a processor of the analysis device, the encoding information in response to the at least one pattern; executing, with the processor of the analysis device, at least one analysis equation on the analysis device according to the encoded information; and determining, with the processor of the analysis device, a characteristic of a biological sample according to the at least one analysis equation and the encoded information. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 23, 26)
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Specification