Analyte sensors and systems including retention tab and methods of manufacturing same

• US 9,194,837 B2
• Filed: 08/20/2012
• Issued: 11/24/2015
• Est. Priority Date: 08/24/2011
• Status: Active Grant

• Current Assignee: Ascensia Diabetes Care Holdings AG (PHC Holdings Corporation)
• Original Assignee: Bayer Healthcare LLC (Bayer AG)
• Inventors: Charlton, Steven C.
• Primary Examiner(s): Van, Luan V.
• Assistant Examiner(s): Kaur, Gurpreet
• Application Number:
  US13/589,377
• Publication Number:
  US 20130048495A1
• Time in Patent Office: 1,191 Days
• Field of Search: 422/68.1, 422/63, 422/82.01, 600/365, 204/403.01, 204/400, 204/403.02, 204/406, 204/407, 205/792, 356/246, 435/14, 435/287.1, 435/287.7
• US Class Current: 1/1
• CPC Class Codes: G01N 27/3272 Test elements therefor, i.e. disposable laminated substrates with electrodes, reagent and channels optical biosensors G01N33/52
• CPC Class Codes: G01N 27/3273 Devices therefor, e.g. test element readers, circuitry details not specific to biochemical electrodes G01N33/4875
• CPC Class Codes: G01N 27/4166 measuring a particular property of an electrolyte
• CPC Class Codes: G01N 33/48707 by electrical means G01N33/49, G01N33/493 take precedence
• CPC Class Codes: G01N 33/48757 Test elements dispensed from a stack
• CPC Class Codes: G01N 33/48778 Containers specially adapted therefor, e.g. for dry storage
• CPC Class Codes: G01N 33/48785 Electrical and electronic details of measuring devices for physical analysis of liquid biological material not specific to a particular test method, e.g. user interface or power supply
• CPC Class Codes: Y10T 29/49826 Assembling or joining

Abstract

In some aspects, an analyte sensor is provided for detecting an analyte concentration level in a biological fluid sample. The analyte sensor has a base including a top and bottom side, a lid, and an attachment member including one or more retention tabs coupled proximate the top side so that the analyte sensor can be grasped by the sensor'"'"'s top side. Manufacturing methods and systems adapted to use and dispense the analyte sensors are provided, as are numerous other aspects.

Claims

1. An analyte sensor, comprising:

a base including a top side and bottom side;

a lid positioned proximate to the base on the top side;

an attachment member positioned proximate to the top side, the attachment member configured to attach and secure the analyte sensor to an analyte meter, the attachment member including a tab spacer and one or more retention tabs that form at least a first grasping recess between the tab spacer and the one or more retention tabs adapted to receive a grasping tab of the analyte meter;

a fluid-receiving channel having an opening adapted to receive a biological fluid sample; and

a chemically-active region provided in the fluid-receiving channel.

2. The analyte sensor of claim 1, comprising electrical conductors in electrical contact with the chemically-active region.

3. The analyte sensor of claim 1, wherein the lid comprises the attachment member.

4. The analyte sensor of claim 1, wherein the attachment member is attached to a top side of the lid and the retention tabs extend along the top side.

5. The analyte sensor of claim 1, wherein the attachment member includes a first retention tab extending in a first direction and a second retention tab extending in a second direction opposite the first direction.

6. The analyte sensor of claim 5, comprising a hydrophobic layer on the bottom side of the base and a hydrophilic layer on a bottom side of the lid.

7. The analyte sensor of claim 1, wherein the one or more retention tabs form a first grasping recess and a second grasping recess adapted to receive grasping tabs of an analyte meter.

8. The analyte sensor of claim 7, wherein the first grasping recess is formed between the lid, the tab spacer, and a first retention tab the second grasping recess is formed between the lid, the tab spacer and a second retention tab of the attachment member.

9. The analyte sensor of claim 1, further comprising electrical contact pads formed on the top side of the base.

10. The analyte sensor of claim 1 further comprising a first spacer and a second spacer provided on either side of the fluid-receiving channel.

11. The analyte sensor of claim 10 further comprising a vent formed by surfaces of the lid, the first spacer and second spacer, and the base.

12. The analyte sensor of claim 11 further comprising at least one electrical conductor extending through the vent.

13. The analyte sensor of claim 1 further comprising a vent and at least one electrical conductor extending through the vent.

14. A method of manufacturing an analyte sensor, comprising:

providing a base having a top side;

providing a lid having a top side and a bottom side, at least the bottom side of the lid and the top side of the base forming a fluid-receiving channel;

providing a chemically-active region in the fluid-receiving channel; and

providing an attachment member configured to attach and secure the analyte sensor to an analyte meter, the attachment member including a tab spacer and one or more retention tabs that form at least a first grasping recess between the tab spacer and the one or more retention tabs adapted to receive a grasping tab of the analyte meter.