Stackable electrochemical analyte sensors, systems and methods including same

1. An analyte sensor, comprising:

a base having a first end and a second end opposite from the first end, a concave recess formed in the first end, a receiving surface on the second end, and a sidewall extending between the first end and the second end;

a first electrode provided proximate to the receiving surface;

an active region electrically coupled with at least the first electrode;

a first conductor in electrical contact with the first electrode and extending along the sidewall, the first conductor adapted to be in electrical contact with a first contact of an analyte meter; and

a member having a stacking end and an entry end opposite the stacking end and a second sidewall extending between the stacking end and the entry end, the stacking end including a second concave recess which is received over the second end of the base, the member further including a second conductor having a second connecting portion which extends along the second sidewall from the entry end towards the stacking end and a second contact portion connected to the second connecting portion which is formed of an annular ring and extends in a radial direction at least partially around the second sidewall.

2. The analyte sensor of claim 1 , wherein the member is provided proximate the second end and forms a space between the receiving surface and an inner surface of the member.

3. The analyte sensor of claim 2 , wherein the second sidewall of the member further comprises a a frustoconical outer surface.

4. The analyte sensor of claim 1 , wherein the first conductor further comprises a contact portion formed of an annular ring extending in a radial direction at least partially around the sidewall.

5. The analyte sensor of claim 1 , wherein the sidewall of the base includes a frustoconical outer surface.

6. The analyte sensor of claim 1 , wherein the first conductor further comprises:

a connecting portion which extends along the sidewall from the second end towards the first end, and

a contact portion connected to the connecting portion, the contact portion formed of an annular ring which extends in a radial direction at least partially around the sidewall.

7. The analyte sensor of claim 1 further comprising a second electrode provided proximate the first electrode.

8. The analyte sensor of claim 1 wherein the member includes a second electrode having a cavity formed therein.

9. A method of manufacturing an analyte sensor, comprising the steps of:

providing a base having a first end and a second end, and a first sidewall extending between the first end and the second end, the first end including a concave opening and the second end including a receiving surface;

forming a first electrode on the receiving surface;

applying an active region in contact with the first electrode;

providing a conductor in electrical contact with the first electrode and extending along an outer surface of the first sidewall, the conductor including a contact portion adapted to be in electrical contact with a first electrical contact of an analyte meter; and

providing a member having a stacking end and an entry end opposite the stacking end and a second sidewall extending between the stacking end and the entry end, the stacking end including a concave recess which is received over the second end of the base, the member further including a second conductor having a second connecting portion which extends along the second sidewall from the entry end towards the stacking end and a second contact portion connected to the second connecting portion which is formed of an annular ring and extends in a radial direction at least partially around the second sidewall.

10. The method of claim 9 further comprising forming a second electrode proximate to the active region.

11. The method of claim 10 wherein the second electrode is formed in the member and includes a cavity formed therein.