# US 10,369,282 B2 · Medical device antenna systems having external antenna configurations

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- Number: US 10,369,282 B2
- Document ID: US10369282B2
- Status: Granted
- Kind: B2
- Application number: 14/876,185
- Filed: 2015-10-06
- Published: 2016-03-31
- Granted: 2019-08-06
- Earliest claimed: 2009-05-29
- Assignees: Abbott Diabetes Care Inc.
- Applicants: Abbott Diabetes Care Inc.
- Inventors: Nathan C. Crouther; Marc B. Taub; Lei He
- Web page: https://patentgrep.com/patent/US10369282B2

## CPC

- A61M 5/172: electrical or electronic
- A61B 5/14532: {for measuring glucose, e.g. by tissue impedance measurement}
- A61B 5/6833: {Adhesive patches}
- A61M 5/14248: {of the skin patch type}
- A61M 5/1723: {using feedback of body parameters, e.g. blood sugar or pressure}
- H01Q 1/2208: {associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems (methods or arrangements for sensing record carriers, e.g. for reading patterns G06K7/00; record carrier for use with machines and with at least a part designed to carry digital markings G06K19/00)}
- H01Q 1/273: {Adaptation for carrying or wearing by persons or animals}
- H01Q 5/48: Combinations of two or more dipole type antennas
- A61M 2205/3569: sublocal, e.g. between console and disposable
- A61M 2205/3592: using telemetric means, e.g. radio or optical transmission
- A61M 2230/201: Glucose concentration
- A61M: DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY (introducing media into or onto the bodies of animals A61D7/00; means for inserting tampons A61F13/26; devices for administering food or medicines orally A61J; containers for collecting, storing or administering blood or medical fluids A61J1/05); DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY (surgery A61B; chemical aspects of surgical articles A61L); DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR {(Electrotherapy, e.g. producing anaesthesia by the use of alternating or intermittent currents A61N1/36021)}
- A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D)
- H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72)

## Abstract

A medical device includes an antenna external to a case, package, or encapsulant for the electronic systems of the medical device. In one embodiment, a diabetes infusion pump is enclosed within a metal case, the pump including a processor and a communication module for wireless communications. An antenna is disposed in the delivery tubing of the pump outside the case with an antenna feed interconnecting the external antenna with the internal communication module. In another aspect, a thin film antenna is formed on the outer surface of the case in which a physiological parameter sensor, such as a glucose sensor, is enclosed. Multiple antennas may be used for communications on different frequencies.

## Claims

### Claim 1

A system for mounting a medical device comprising a primary antenna and a secondary antenna at or near the skin of a user, the system comprising:
a mounting having an adhesive surface configured to adhere to the skin of the user;
a thin film substrate coupled with the mounting and having a thin film substrate surface;
a printed conductive layer on the thin film substrate surface, wherein the secondary antenna is disposed within the printed conductive layer;
a transmitter housing comprising electronic components, the primary antenna, and a printed circuit board, wherein the transmitter housing is coupled with the thin film substrate; and
a sensor configured to sense a physiological parameter and provide sensor data to the electronic components.

### Claim 2 (depends on 1)

The system of claim 1, wherein the sensor includes a glucose sensor.

### Claim 3 (depends on 1)

The system of claim 1, wherein the sensor comprises a sensor tip portion which is configured for insertion into the skin of the user, and a proximal portion which is configured to be attached to the printed circuit board.

### Claim 4 (depends on 1)

The system of claim 1, wherein the secondary antenna is formed in a meandering pattern.

### Claim 5 (depends on 1)

The system of claim 1, wherein the secondary antenna includes a loop at one end, wherein the loop includes a gap to prevent formation of a current loop.

### Claim 6 (depends on 3)

The system of claim 3, wherein the proximal portion of the sensor is attached to the printed circuit board through an aperture in the mounting and the thin film substrate.

### Claim 7 (depends on 1)

The system of claim 1, wherein the secondary antenna is a thin film antenna.

### Claim 8 (depends on 1)

The system of claim 1, wherein the primary antenna is printed on the printed circuit board in the transmitter housing.

### Claim 9 (depends on 1)

The system of claim 1, wherein the transmitter housing is adhesively coupled with the printed conductive layer.

### Claim 10 (depends on 1)

The system of claim 1, wherein the secondary antenna and the mounting are flexible and the primary antenna is supported by an inflexible dielectric element.

### Claim 11 (depends on 1)

The system of claim 1, wherein the primary antenna is configured to wirelessly transmit sensor data according to a first frequency and the secondary antenna is configured to wirelessly transmit sensor data according to a second frequency, and wherein the first frequency is different from the second frequency.