Analyte Sensors and Methods for Making and Using the Same

• US 20140045202A1
• Filed: 07/24/2013
• Published: 02/13/2014
• Est. Priority Date: 08/08/2012
• Status: Abandoned Application

• Current Assignee: Abbott Diabetes Care Incorporated (Abbott Laboratories)
• Original Assignee: Abbott Diabetes Care Incorporated (Abbott Laboratories)
• Inventors: Wang, Yi
• Application Number:
  US13/949,991
• Publication Number:
  US 20140045202A1
• Time in Patent Office: Days
• US Class Current: 435/14
• CPC Class Codes: C12Q 1/001 Enzyme electrodes
• CPC Class Codes: C12Q 2565/607 being a sensor, e.g. electrode
• CPC Class Codes: G01N 33/48771 Coding of information, e.g. calibration data, lot number
• CPC Class Codes: G01N 33/66 involving blood sugars, e.g. galactose

Abstract

The present disclosure provides an analyte sensor that includes a conductive calibration pattern which provides species-specific calibration information to a meter. Also provided, are analyte sensors comprising a layer of absorbent material disposed on a first major surface of a first substrate and/or a second major surface of a second substrate. Methods for making and using the analyte sensors are also provided.

Claims

1. An analyte sensor comprising:

a first substrate comprising a first major surface and a second major surface and a second substrate comprising a first major surface and a second major surface such that the second major surface of the first substrate faces the first major surface of the second substrate to provide a sample chamber,

the sample chamber comprising a first electrode disposed on the second major surface of the first substrate or the first major surface of the second substrate and a second electrode disposed on the second major surface of the first substrate or the first major surface of the second substrate;

wherein the sample chamber is positioned at a proximal end of the analyte sensor and wherein a distal end of the analyte sensor is connectable to a meter;

a conductive calibration pattern on the first major surface of the first substrate and/or second major surface of second substrate at or near the distal end, wherein the calibration pattern provides a species-specific calibration information to the meter;

wherein the conductive calibration pattern is one of a plurality of patterns, wherein the plurality of patterns comprise different patterns which provide different species-specific calibration information to a meter.

2. The analyte sensor of claim 1, wherein the sensor further comprises a graphic disposed on the first major surface of the first substrate and/or second major surface of second substrate, wherein the graphic indicates the species compatible for the analyte sensor.

3. The analyte sensor of claim 1, wherein the species-specific calibration information is for a non-human species.

4. The analyte sensor of claim 1, wherein the species-specific calibration information is for a feline, canine, equine, or murine species.

5. The analyte sensor of claim 1, wherein shape of the calibration pattern provides the species-specific calibration information.

6. The analyte sensor of claim 1, wherein resistance of the calibration pattern provides the species-specific calibration information.

7. The analyte sensor of claim 1, wherein the calibration information comprises prompting the meter to require input of a calibration code.

8. A system for analysis of an analyte in a sample, the system comprising:

an analyte sensor comprising;

a first substrate comprising a first major surface and a second major surface and a second substrate comprising a first major surface and a second major surface such that the second major surface of the first substrate faces the first major surface of the second substrate to provide a sample chamber,

the sample chamber comprising a first electrode disposed on the second major surface of the first substrate or the first major surface of the second substrate and a second electrode disposed on the second major surface of the first substrate or the first major surface of the second substrate;

wherein the sample chamber is positioned at a proximal end of the analyte sensor and wherein a distal end of the analyte sensor is connectable to a meter;

a conductive calibration pattern on the first major surface of the first substrate and/or second major surface of second substrate at or near the distal end, wherein the calibration pattern provides a species-specific calibration information to the meter;

wherein the conductive calibration pattern is one of a plurality of patterns, wherein the plurality of patterns comprise different patterns which provide different calibration information to a meter;

a meter comprising a port comprising contacts for contacting the calibration pattern.

9. The system of claim 8, wherein the analyte sensor further comprises a graphic disposed on the first major surface of the first substrate and/or second major surface of second substrate, wherein the graphic indicates the species compatible for the analyte sensor.

10. The system of claim 8, wherein the species-specific calibration information is for a non-human species.

11. The system of claim 8, wherein the species-specific calibration information is for a feline, canine, equine, or murine species.

12. The system of claim 8, wherein shape of the calibration pattern provides the species-specific calibration information.

13. The system of claim 8, wherein resistance of the calibration pattern provides the species-specific calibration information.

14. A method of providing species-specific calibration code on an analyte sensor, the method comprising:

performing sensor calibration on at least one of a batch of analyte sensors to determine a species-specific calibration code for the analyte sensor;

disposing a conductive calibration pattern on a surface of analyte sensors in the batch, wherein the calibration pattern provides the species-specific calibration code to a meter,

wherein the conductive calibration pattern is one of a plurality of calibration patterns, wherein the plurality of patterns comprise different patterns which provide different calibration information to a meter.