AUTO-CALIBRATING TEST SENSORS
First Claim
1. An electrochemical test sensor configured to determine an analyte concentration of a fluid sample, the electrochemical test sensor comprising:
- a base including a first end and a second opposing end, the base further including a first and second side bridging the first and second opposing end;
a plurality of electrodes formed on the base at or near the first end, the plurality of electrodes including a working electrode and a counter electrode;
a first test-sensor contact formed on the base at or near the second opposing end, the first test-sensor contact being coupled to the working electrode by a first conductive lead; and
a second test-sensor contact formed on the base at or near the second opposing end, the second test-sensor contact being coupled to the counter electrode by a second conductive lead,wherein the positions of the first and second test-sensor contacts correspond with calibration information assigned to the test sensor.
3 Assignments
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Accused Products
Abstract
An electrochemical test sensor configured to determine an analyte concentration of a fluid sample comprises a base including a first end, a second opposing end, a first side and a second side bridging the first and second opposing ends. The test sensor further comprises a plurality of electrodes formed on the base at or near the first end. The plurality of electrodes includes a working electrode and a counter electrode. The sensor further comprises a first test-sensor contact formed on the base at or near the second opposing end and coupled to the working electrode by a first conductive lead. The sensor further comprises a second test-sensor contact formed on the base at or near the second opposing end and coupled to the counter electrode by a second conductive lead. The positions of the first and second test-sensor contacts correspond with calibration information assigned to the test sensor.
61 Citations
16 Claims
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1. An electrochemical test sensor configured to determine an analyte concentration of a fluid sample, the electrochemical test sensor comprising:
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a base including a first end and a second opposing end, the base further including a first and second side bridging the first and second opposing end; a plurality of electrodes formed on the base at or near the first end, the plurality of electrodes including a working electrode and a counter electrode; a first test-sensor contact formed on the base at or near the second opposing end, the first test-sensor contact being coupled to the working electrode by a first conductive lead; and a second test-sensor contact formed on the base at or near the second opposing end, the second test-sensor contact being coupled to the counter electrode by a second conductive lead, wherein the positions of the first and second test-sensor contacts correspond with calibration information assigned to the test sensor. - View Dependent Claims (2, 3, 4)
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5. A method of making an electrochemical test sensor configured to assist in determining the concentration of an analyte in a fluid sample, the method comprising the acts of:
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providing a base having a first end for receiving the fluid sample and a second opposing end for being placed in a meter, the base further including a first and second side bridging the first end and the second opposing end; providing a plurality of electrodes formed on the base at or near a first end, the plurality of electrodes including a working electrode and a counter electrode; assigning calibration information to the test sensor; providing a first test-sensor contact formed on the base at or near a second opposing end, the first test-sensor contact being coupled to the working electrode by a first conductive lead; and providing a second test-sensor contact formed on the base at or near a second opposing end, the first test-sensor contact being coupled to the working electrode by a second conductive lead, wherein the positions of the first and second test-sensor contacts on the base correspond to the calibration information. - View Dependent Claims (6, 7, 8, 9, 10)
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11. A method of using a test sensor and a meter, the test sensor and meter using calibration information in determining the concentration of an analyte in a fluid sample, the method comprising the acts of:
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providing a test sensor including a base, the base including a first test-sensor contact positioned at or near a first end, the first test-sensor contact being coupled to a working electrode positioned at or near a second opposing end by a first conductive lead, the base further including a second test-sensor contact positioned at or near the first end, the second test-sensor contact being coupled to a counter electrode positioned at or near the second opposing end by a second conductive lead, the test sensor having calibration information assigned thereto; providing a meter with a test-sensor opening, the meter including an array of contact pins for contacting the first and second test-sensor contacts, the array of contact pins being positioned within test-sensor opening; placing the second opposing end of the test sensor into the test-sensor opening of the meter; contacting the test-sensor contacts with a first and second pin in the array of contact pins to detect the placement of the test-sensor contacts; and determining the calibration information associated with the test sensor by which first and second pins contact the first and second meter contacts. - View Dependent Claims (12, 13, 14, 15, 16)
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Specification