Auto-calibrating test sensor and method of making the same
First Claim
1. A method of making an electrochemical test sensor adapted to assist in determining information relating to an analyte in a fluid sample, the method comprising the acts of:
- providing a base;
providing a second layer to assist in forming a channel;
providing a plurality of electrodes on the base, the plurality of electrodes including a working electrode and a counter electrode;
providing a working conductive lead that is electrically connected to the working electrode;
providing a counter conductive lead that is electrically connected to the counter electrode;
providing a reagent formed in the channel; and
providing auto-calibration information of the test sensor by forming a plurality of auto-calibration segments to be connected to one of the following;
the working conductive lead, the counter conductive lead, or neither of the conductive leads, and wherein at least one of the plurality of auto-calibration segments is connected to the working conductive lead and at least one of the plurality of auto-calibration segments is connected to the counter conductive lead;
wherein each of a first plurality of auto-calibration areas is located between a first portion of the working conductive lead and a portion of the counter conductive lead and each of a second plurality of auto-calibration areas is located between a second portion of the working conductive lead and a portion of the counter conductive lead, the location of the first plurality of auto-calibration areas being different from the second plurality of auto-calibration areas;
wherein each of the first plurality of auto-calibration areas is located on an opposing side of the counter conductive lead as compared to each of the second plurality of auto-calibration areas;
wherein the working conductive lead extends along at least a portion of two peripheries of the electrochemical test sensor.
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Accused Products
Abstract
An electrochemical test sensor (10) for determining an analyte in a fluid sample, includes a base (12) and a second layer. The base (12) includes a plurality of electrodes (30,32), a working conductive lead (42) and a counter conductive lead (40) thereon. The electrodes include a working electrode (32) and a counter electrode (30). The second layer (20) assists in forming a channel (22) in which the channel includes a reagent therein. Auto-calibration information of the test sensor is performed by a plurality of auto-calibration segments (75) connected to one of the following: the working conductive lead (42), the counter conductive lead (40), or neither of the conductive leads, at least one of the plurality of auto-calibration segments (75a) being connected to the working conductive lead (42) and at least one of the plurality of auto-calibration segments (75b) being connected to the counter conductive lead (40).
41 Citations
23 Claims
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1. A method of making an electrochemical test sensor adapted to assist in determining information relating to an analyte in a fluid sample, the method comprising the acts of:
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providing a base; providing a second layer to assist in forming a channel; providing a plurality of electrodes on the base, the plurality of electrodes including a working electrode and a counter electrode; providing a working conductive lead that is electrically connected to the working electrode; providing a counter conductive lead that is electrically connected to the counter electrode; providing a reagent formed in the channel; and providing auto-calibration information of the test sensor by forming a plurality of auto-calibration segments to be connected to one of the following;
the working conductive lead, the counter conductive lead, or neither of the conductive leads, and wherein at least one of the plurality of auto-calibration segments is connected to the working conductive lead and at least one of the plurality of auto-calibration segments is connected to the counter conductive lead;wherein each of a first plurality of auto-calibration areas is located between a first portion of the working conductive lead and a portion of the counter conductive lead and each of a second plurality of auto-calibration areas is located between a second portion of the working conductive lead and a portion of the counter conductive lead, the location of the first plurality of auto-calibration areas being different from the second plurality of auto-calibration areas; wherein each of the first plurality of auto-calibration areas is located on an opposing side of the counter conductive lead as compared to each of the second plurality of auto-calibration areas; wherein the working conductive lead extends along at least a portion of two peripheries of the electrochemical test sensor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An electrochemical test sensor being adapted to assist in determining information relating to an analyte in a fluid sample, the test sensor comprising:
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a base including a plurality of electrodes, a working conductive lead and a counter conductive lead thereon, the plurality of electrodes including a working electrode and a counter electrode; and a second layer to assist in forming a channel, the channel including a reagent therein; wherein auto-calibration information of the test sensor is determined by using a plurality of auto-calibration segments connected to one of the following;
the working conductive lead, the counter conductive lead, or neither of the conductive leads;wherein at least one of the plurality of auto-calibration segments being connected to the working conductive lead and at least one of the plurality of auto-calibration segments being connected to the counter conductive lead; wherein each of a first plurality of auto-calibration areas is located between a first portion of the working conductive lead and a portion of the counter conductive lead and each of a second plurality of auto-calibration areas is located between a second portion of the working conductive lead and a portion of the counter conductive lead, the location of the first plurality of auto-calibration areas being different from the second plurality of auto-calibration areas; wherein each of the first plurality of auto-calibration areas is located on an opposing side of the counter conductive lead as compared to each of the second plurality of auto-calibration areas; wherein the working conductive lead extends along at least a portion of two peripheries of the electrochemical test sensor. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21)
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22. A method of making an electrochemical test sensor adapted to assist in determining information relating to an analyte in a fluid sample, the method comprising the acts of:
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providing a base; providing a second layer to assist in forming a channel; providing a plurality of electrodes on the base, the plurality of electrodes including a working electrode and a counter electrode; providing a working conductive lead that is electrically connected to the working electrode; providing a counter conductive lead that is electrically connected to the counter electrode; providing a reagent formed in the channel; and providing auto-calibration information of the test sensor by forming a plurality of auto-calibration segments to be connected to one of the following;
the working conductive lead, the counter conductive lead, or neither of the conductive leads, and wherein at least one of the plurality of auto-calibration segments is connected to the working conductive lead and at least one of the plurality of auto-calibration segments is connected to the counter conductive lead;wherein each of a first plurality of auto-calibration areas is located between a first portion of the working conductive lead and a portion of the counter conductive lead and each of a second plurality of auto-calibration areas is located between a second portion of the working conductive lead and the portion of the counter conductive lead, the location of the first plurality of auto-calibration areas being different from the second plurality of auto-calibration areas; wherein each of the first plurality of auto-calibration areas is located on an opposing side of the portion of the counter conductive lead as compared to each of the second plurality of auto-calibration areas; wherein the working conductive lead is generally in a U-shape configuration.
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23. An electrochemical test sensor being adapted to assist in determining information relating to an analyte in a fluid sample, the test sensor comprising:
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a base including a plurality of electrodes, a working conductive lead and a conductive lead thereon, the plurality of electrodes including a working electrode and a counter electrode; and a second layer to assist in forming a channel, the channel including a reagent therein; wherein auto-calibration information of the test sensor is determined by using a plurality of auto-calibration segments connected to one of the following;
the working conductive lead, the counter conductive lead, or neither of the conductive leads;wherein at least one of the plurality of auto-calibration segments being connected to the working conductive lead and at least one of the plurality of auto-calibration segments being connected to the counter conductive lead; wherein each of a first plurality of auto-calibration areas is located between a first portion of the working conductive lead and a portion of the counter conductive lead and each of a second plurality of auto-calibration areas is located between a second portion of the working conductive lead and the portion of the counter conductive lead, the location of the first plurality of auto-calibration areas being different from the second plurality of auto-calibration areas; wherein each of the first plurality of auto-calibration areas is located on an opposing side of the portion of the counter conductive lead as compared to each of the second plurality of auto-calibration areas; wherein the working conductive lead is generally in a U-shape configuration.
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Specification