SYSTEM AND METHOD FOR CODING INFORMATION ON A BIOSENSOR TEST STRIP

• US 20100111764A1
• Filed: 12/17/2009
• Published: 05/06/2010
• Est. Priority Date: 06/20/2003
• Status: Active Grant

• Current Assignee: Roche Diabetes Care Inc. (Roche Holding AG)
• Original Assignee: Roche Operations Limited (Roche Holding AG)
• Inventors: Groll, Henning
• Granted Patent: US 8,083,993 B2
• Time in Patent Office: Days
• US Class Current: 422/58
• CPC Class Codes: G01N 33/48771 Coding of information, e.g. calibration data, lot number
• CPC Class Codes: G01N 33/558 using diffusion or migration of antigen or antibody immunochromatographic test strips G01N33/54387

Abstract

The present invention provides a test strip for measuring a concentration of an analyte of interest in a biological fluid, wherein the test strip may be encoded with information that can be read by a test meter into which the test strip is inserted.

Claims

1. A test system for measuring a concentration of an analyte of interest in a biological fluid, the test system comprising:

a test meter comprising a connector having at least ten contacts; and

a test strip adapted to be inserted into the test meter connector, the test strip comprising;

a substrate having a surface;

at least ten contact pads formed on the surface;

wherein the at least ten contacts make contact with the respective at least ten contact pads when the test strip is inserted into the test meter connector.

2. The test system of claim 1, wherein:

the at least ten contacts comprise at least eleven contacts; and

the at least ten contact pads comprise at least eleven contact pads.

3. The test system of claim 1, wherein:

the at least ten contacts comprise at least sixteen contacts; and

the at least ten contact pads comprise at least sixteen contact pads.

4. A test system for measuring a concentration of an analyte of interest in a biological fluid, the test system comprising:

a test meter comprising a connector having at least ten contacts; and

a test strip adapted to be inserted into the test meter connector, the test strip comprising;

a substrate having a surface, an insertion end and a non-insertion end;

at least ten contact pads formed on the surface, wherein a first portion of the at least ten contact pads are positioned a first distance from the insertion end, and a second portion of the at least ten contact pads are positioned a second distance from the insertion end, the second distance being greater than the first distance;

wherein the at least ten contacts make contact with the respective at least ten contact pads when the test strip is inserted into the test meter connector.

5. The test system of claim 4, wherein the first portion comprises a first row of contact pads having a first axis and the second portion comprises a second row of contact pads having a second axis.

6. The test system of claim 5, wherein a third portion of the at least ten contacts passes over the first axis and comes to rest on the second axis as the test strip is inserted into the test meter connector.

7. A test system for measuring a concentration of an analyte of interest in a biological fluid, the test system comprising:

a test meter comprising a connector having at least ten contacts; and

a test strip adapted to be inserted into the test meter connector, the test strip comprising;

a substrate having a surface, an insertion end and a non-insertion end;

at least ten contact pads formed on the surface, a subset of the contact pads form a first group and a subset of the contact pads form a second group, wherein at least one contact pad of the first group of contact pads is a first distance from the insertion end, and at least one contact pad of the second group of contact pads is a second distance from the insertion end, the second distance being greater than the first distance;

wherein the at least ten contacts make contact with the respective at least ten contact pads when the test strip is inserted into the test meter connector.

8. The test system of claim 7, wherein the first group comprises a first row of contact pads having a first axis and the second group comprises a second row of contact pads having a second axis.

9. The test system of claim 8, wherein a first portion of the at least ten contacts passes over the first axis and comes to rest on the second axis as the test strip is inserted into the test meter connector.