# US 9,750,444 B2 · Interconnect for on-body analyte monitoring device

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- Number: US 9,750,444 B2
- Document ID: US9750444B2
- Status: Granted
- Kind: B2
- Application number: 15/140,309
- Filed: 2016-04-27
- Published: 2017-01-26
- Granted: 2017-09-05
- Earliest claimed: 2009-09-30
- Assignees: Abbott Diabetes Care Inc.
- Applicants: Abbott Diabetes Care Inc.
- Inventors: Gary A. Stafford
- Web page: https://patentgrep.com/patent/US9750444B2

## CPC

- A61B 5/1477: non-invasive
- A61B 5/0002: {Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network (endoradiosondes A61B5/07)}
- A61B 5/14532: {for measuring glucose, e.g. by tissue impedance measurement}
- A61B 5/14542: {for measuring blood gases (A61B5/14551 takes precedence)}
- A61B 5/14546: {for measuring analytes not otherwise provided for, e.g. ions, cytochromes}
- A61B 5/14865: {invasive, e.g. introduced into the body by a catheter or needle or using implanted sensors}
- A61B 5/742: {using visual displays (displays for heart-related electrical signals, e.g. ECG, A61B5/339)}
- A61B 5/743: {Displaying an image simultaneously with additional graphical information, e.g. symbols, charts, function plots}
- C12Q 1/006: {for glucose}
- 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
- A61B 2560/0412: Low-profile patch shaped housings
- A61B 2560/0443: Modular apparatus
- A61B 2562/164: the sensor is mounted in or on a conformable substrate or carrier
- A61B 2562/222: Electrical cables or leads therefor, e.g. coaxial cables or ribbon cables
- A61B 2562/227: Sensors with electrical connectors
- A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D)
- C12Q: MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS (immunoassay G01N33/53); COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M)

## 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

### Claim 1

An analyte monitoring device, comprising:
a housing comprising a circuit board;
an analyte sensor configured to be positioned in the body of a subject; and
an interconnect comprising:
a first portion electrically connecting a first surface of the circuit board to an electrical contact of the analyte sensor; and
a second portion coupled from the analyte sensor to a second surface of the analyte monitoring device,
wherein the first and second portions are compressible.

### Claim 2 (depends on 1)

The analyte monitoring device of claim 1, wherein the interconnect has a U-shaped configuration.

### Claim 3 (depends on 2)

The analyte monitoring device of claim 2, wherein the interconnect comprises conductive material partially along the interconnect such that the second portion has a second end without conductive contacts.

### Claim 4 (depends on 1)

The analyte monitoring device of claim 1, wherein the first portion has a first end with conductive contacts in contact with the first surface of the circuit board.

### Claim 5 (depends on 1)

The analyte monitoring device of claim 1, wherein the interconnect comprises a flexible material that compresses upon engagement with the analyte sensor.

### Claim 6 (depends on 5)

The analyte monitoring device of claim 5, wherein the interconnect comprises conductive material embedded in the flexible material.

### Claim 7 (depends on 6)

The analyte monitoring device of claim 6, wherein the conductive material comprises carbon.

### Claim 8 (depends on 6)

The analyte monitoring device of claim 6, wherein the conductive material comprises a polymer.

### Claim 9 (depends on 1)

The analyte monitoring device of claim 1, wherein the analyte sensor comprises a plurality of electrical contacts in contact with a plurality of conductive contacts of the interconnect.

### Claim 10 (depends on 1)

The analyte monitoring device of claim 1, wherein the second surface is opposite to and faces the circuit board.

### Claim 11 (depends on 10)

The analyte monitoring device of claim 10, wherein the second surface is on the housing.

### Claim 12 (depends on 1)

The analyte monitoring device of claim 1, wherein the interconnect is configured to slidably engage with the housing.

### Claim 13 (depends on 1)

The analyte monitoring device 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.

### Claim 14 (depends on 1)

The analyte monitoring device of claim 1, further comprising a data communication component coupled to a processor and the circuit board, the data communication component configured to communicate signals received from the analyte sensor.

### Claim 15 (depends on 14)

The analyte monitoring device of claim 14, wherein the interconnect transfers electrical signals from the analyte sensor to the circuit board.

### Claim 16 (depends on 14)

The analyte monitoring device of claim 14, wherein the data communication component is configured to wirelessly communicate the signals received from the analyte sensor to a remote location.

### Claim 17 (depends on 16)

The analyte monitoring device of claim 16, 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.