Interconnect for on-body analyte monitoring device

• US 9,351,669 B2
• Filed: 09/30/2010
• Issued: 05/31/2016
• Est. Priority Date: 09/30/2009
• Status: Active Grant

• Current Assignee: Abbott Diabetes Care Incorporated (Abbott Laboratories)
• Original Assignee: Abbott Diabetes Care Incorporated (Abbott Laboratories)
• Inventors: Stafford, Gary A.
• Primary Examiner(s): JANG, CHRISTIAN YONGKYUN
• Application Number:
  US12/895,015
• Publication Number:
  US 20110191044A1
• Time in Patent Office: 2,070 Days
• Field of Search: 600/345, 600/347, 600/365, 439345-347
• US Class Current: 1/1
• CPC Class Codes: A61B 2560/0412 Low-profile patch shaped housings
• CPC Class Codes: A61B 2560/0443 Modular apparatus
• CPC Class Codes: A61B 2562/164 the sensor is mounted in or on a conformable substrate or carrier
• CPC Class Codes: A61B 2562/222 Electrical cables or leads therefor, e.g. coaxial cables or ribbon cables
• CPC Class Codes: A61B 2562/227 Sensors with electrical connectors
• CPC Class Codes: A61B 5/0002 Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network A61B5/07 takes precedence; transmission systems for measured values G08C; transmission H04B; transmission of digital information H04L; wireless communication networks H04W
• CPC Class Codes: A61B 5/14532 for measuring glucose, e.g. by tissue impedance measurement
• CPC Class Codes: A61B 5/14542 for measuring blood gases A61B5/14551 takes precedence
• CPC Class Codes: A61B 5/14546 for measuring analytes not otherwise provided for, e.g. ions, cytochromes
• CPC Class Codes: A61B 5/1477 non-invasive
• CPC Class Codes: A61B 5/14865 invasive, e.g. introduced into the body by a catheter or needle or using implanted sensors
• CPC Class Codes: A61B 5/742 using visual displays A61B5/339 takes precedence
• CPC Class Codes: A61B 5/743 Displaying an image simultaneously with additional graphical information, e.g. symbols, charts, function plots
• CPC Class Codes: C12Q 1/006 for glucose
• CPC Class Codes: H04L 67/12 specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks

Abstract

Disclosed herein are systems and methods for providing a compressible interconnect for allowing electrical communication between an electronics unit and an analyte sensor in an on-body analyte monitoring device. In other embodiments, systems and methods are provided for reducing the Z-height of an on-body analyte monitoring device by utilizing novel interconnects.

Claims

1. An electronics unit for receiving one or more signals from an analyte sensor, the electronics unit comprising:

a body having a top surface, an opposing bottom surface and a sidewall defined therebetween;

a processor and a circuit board disposed within the body; and

an interconnect comprising conductive material, the interconnect disposed between the top surface and the opposing bottom surface of the body and having a first end coupled to the circuit board and a second end coupled to an analyte sensor, wherein the first end of the interconnect coupled to the circuit board and the second end of the interconnect coupled to the analyte sensor are disposed within the body.

2. The electronics unit of claim 1, wherein the interconnect further comprises a first contact at the first end of the interconnect, and a second contact at the second end of the interconnect.

3. The electronics unit of claim 2, wherein the second contact at the second end coupled to the analyte sensor establishes electrical communication between the interconnect and the analyte sensor.

4. The electronics unit of claim 1, wherein the second end of the interconnect is frictionally engaged with the circuit board.

5. The electronics unit of claim 1, wherein the analyte sensor comprises a plurality of electrodes including a working electrode, wherein the working electrode comprises an analyte-responsive enzyme and a mediator, wherein at least one of the analyte-responsive enzyme and the mediator is chemically bonded to a polymer disposed on the working electrode, and wherein at least one of the analyte-responsive enzyme and the mediator is crosslinked with the polymer.

6. The electronics unit of claim 1, further including a data communication component disposed within the body and coupled to the processor and the circuit board, the data communication component configured to communicate signals received from the analyte sensor.

7. The electronics unit of claim 6, wherein the data communication component is configured to wirelessly communicate the signals received from the analyte sensor to a remote location.

8. The electronics unit of claim 6, wherein the data communication component is configured to communicate the signals using one or more of an infrared communication protocol, Bluetooth®

communication protocol Zigbee®

communication protocol, radio frequency identification (RFID) communication protocol, or 802.11 wireless LAN protocol.

9. An electronics unit for receiving one or more signals from an analyte sensor, the electronics unit comprising:

a body having a top surface, an opposing bottom surface and a sidewall defined therebetween;

a processor and a circuit board disposed within the body; and

an interconnect comprising conductive material, the interconnect disposed between the top surface and the opposing bottom surface of the body and having a first end coupled to the circuit board and a second end coupled to the analyte sensor,

wherein the first end of the interconnect coupled to the circuit board and the second end of the interconnect coupled to the analyte sensor are disposed within the body, and

the interconnect is disposed within the body before the analyte sensor is positioned in contact with bodily fluid.

10. The electronics unit of claim 9, wherein the second end of the interconnect coupled to the analyte sensor establishes electrical communication between the interconnect and the analyte sensor.

11. The electronics unit of claim 9, wherein the analyte sensor comprises a plurality of electrodes including a working electrode, wherein the working electrode comprises an analyte-responsive enzyme and a mediator, wherein at least one of the analyte-responsive enzyme and the mediator is chemically bonded to a polymer disposed on the working electrode, and wherein at least one of the analyte-responsive enzyme and the mediator is crosslinked with the polymer.

12. The electronics unit of claim 9, further including a data communication component disposed within the body and coupled to the processor and the circuit board, the data communication component configured to communicate signals received from the analyte sensor.

13. The electronics unit of claim 12, wherein the data communication component is configured to wirelessly communicate the signals received from the analyte sensor to a remote location.

14. The electronics unit of claim 12, wherein the data communication component is configured to communicate the signals using one or more of an infrared communication protocol, Bluetooth®

communication protocol Zigbee®

communication protocol, radio frequency identification (RFID) communication protocol, or 802.11 wireless LAN protocol.