SYSTEMS AND METHODS FOR PROCESSING AND TRANSMITTING SENSOR DATA

• US 20130076532A1
• Filed: 09/21/2012
• Published: 03/28/2013
• Est. Priority Date: 09/23/2011
• Status: Active Grant

• Current Assignee: DexCom Incorporated
• Original Assignee: DexCom Incorporated
• Inventors: San Vicente, Kenneth, Hampapuram, Hari, Reihman, Eli, Leach, Jacob S., Grubstein, Katherine Yerre
• Granted Patent: US 9,730,160 B2
• Time in Patent Office: Days
• US Class Current: 340/870.02
• CPC Class Codes: A61B 5/0004 characterised by the type of physiological signal transmitted
• CPC Class Codes: A61B 5/0015 characterised by features of the telemetry system
• CPC Class Codes: A61B 5/0026 characterised by the transmission medium
• CPC Class Codes: A61B 5/14532 for measuring glucose, e.g. by tissue impedance measurement
• CPC Class Codes: G16H 40/63 for local operation
• CPC Class Codes: G16H 40/67 for remote operation
• CPC Class Codes: G16Z 99/00 Subject matter not provided for in other main groups of this subclass
• 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
• CPC Class Codes: H04L 67/62 Establishing a time schedule for servicing the requests
• CPC Class Codes: H04W 12/06 Authentication
• CPC Class Codes: H04W 4/80 Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
• CPC Class Codes: H04W 52/0209 in terminal devices terminal devices per se H04W88/02
• CPC Class Codes: H04W 52/0219 where the power saving management affects multiple terminals
• CPC Class Codes: H04W 76/10 Connection setup
• CPC Class Codes: H04W 76/14 Direct-mode setup
• CPC Class Codes: H04W 76/25 Maintenance of established connections
• CPC Class Codes: H04W 84/18 Self-organising networks, e.g. ad-hoc networks or sensor networks
• CPC Class Codes: Y02A 90/10 Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
• CPC Class Codes: Y02D 30/70 in wireless communication networks

Abstract

Systems and methods for processing, transmitting and displaying data received from an analyte sensor, such as a glucose sensor, are provided. The data can be displayed on a hand-held display device having a display such as a key fob device including a user interface, such as an LCD and one or more buttons that allows a user to view data, and a physical connector, such as USB port.

Claims

1. A method for transmitting data between a first communication device associated with an analyte sensor and one or more second communication devices configured to provide user access to analyte values and/or information derived from analyte values, comprising:

establishing a communication channel only with a primary device of a one or more second communication devices during a first time period within a communication window; and

establishing a communication channel with one or more secondary devices of the one or more second communication devices only during a second time period different from the first time period.

2. A system for monitoring an analyte level of a host configured to perform the method of claim 1, comprising a sensor electronics module configured to establish a communication channel with a primary device and establishing the communication channel with one or more secondary devices.

3. A method for synchronizing a time for transmitting data between a first communication device associated with an analyte sensor and a primary communication device and a secondary communication device configured to provide user access to analyte values and/or information derived from analyte values, the method comprising:

receiving a beacon from a first communication device at a primary communication device during a transmission time window defined by the first communication device;

establishing a first communication channel between the primary communication device and a secondary communication device;

transmitting beacon information from the primary communication device to the secondary communication device, wherein the beacon information comprises timing information for establishing a communication channel with the first communication device; and

establishing a communication channel between the first communication device and the secondary communication device based on the beacon information.

4. The method of claim 3, wherein establishing a first communication channel between the primary communication device and the secondary communication device comprises executing an authentication protocol between the primary communication device and the secondary communication device.

5. The method of claim 3, wherein the first communication device is configured to periodically send the beacon in a series of periodic transmission time windows separated by an update time interval.

6. The method of claim 3, wherein the timing information comprises information about a time corresponding to the start of the transmission time window.

7. A system for monitoring an analyte level of a host, the system configured to perform the method of claim 3, wherein a first communication device comprises a sensor electronics module, the sensor electronics module configured to electronically couple to an analyte sensor and generate an analyte data stream using the analyte sensor.

8. A method for processing data from an analyte sensor and transmitting data between a first communication device associated with an analyte sensor and a second communication device configured to provide user access to analyte values and/or information derived from analyte values, comprising:

activating an analyte sensor data processing circuit and deactivating a transceiver of a first communication device associated with an analyte sensor during a first time interval;

obtaining and processing analyte sensor data during the first time interval;

deactivating the analyte sensor data processing circuit and activating the transceiver of the first communication device during a different second time interval; and

transmitting analyte sensor data to the second communication device during the second time interval.

9. The method of claim 8, wherein activating and deactivating the analyte sensor data processing circuit comprises powering-up and powering-down the analyte sensor data processing circuit.

10. The method of claim 8, wherein activating and deactivating the analyte sensor data processing circuit comprises activating and deactivating a low power mode of the analyte sensor data processing circuit.

11. The method of claim 8, wherein activating and deactivating the transceiver comprises powering-up and powering-down the transceiver.

12. The method of claim 8, wherein activating and deactivating the transceiver comprises activating and deactivating a low power mode of the transceiver.

13. A system for monitoring an analyte level of a host, the system configured to perform the method of claim 8, wherein a first communication device comprises a sensor electronics module, the sensor electronics module configured to electronically couple to an analyte sensor.

14. A method for processing data from an analyte sensor, comprising:

obtaining and processing analyte sensor data using an analyte sensor data device associated with an analyte sensor during a first time interval;

opening a transmission time window to accept requests for establishing a communication channel to communicate to the analyte sensor data device during a different second time interval, wherein the first time interval and the second time interval do not overlap.

15. A system for monitoring an analyte level of a host configured to perform the method of claim 14, wherein the first communication device comprises a sensor electronics module, the sensor electronics module configured to electronically couple to an analyte sensor and generate an analyte data stream using the analyte sensor.

16. A method for providing analyte sensor measurements from a first communication device associated with an analyte sensor to a second communication device configured to provide user access to analyte values and/or information derived from analyte values, the method comprising:

receiving, from the first communication device, a request from a second communication device for previous analyte sensor measurements in addition to analyte sensor measurements of a scheduled analyte sensor measurement transmission; and

transmitting to the second communication device from the first communication device a data set of analyte sensor measurements corresponding to a pre-determined time interval that includes the requested previous analyte sensor measurements.

17. The method of claim 16, wherein the previous analyte sensor measurements comprises a sub-set of the data set of analyte sensor measurements.

18. The method of claim 16, wherein the pre-determined time interval corresponds to a twenty-four hour period of analyte sensor measurements.

19. A system for monitoring an analyte level of a host, the system configured to perform the method of claim 16, wherein a first communication device comprises a sensor electronics module, the sensor electronics module configured to electronically couple to an analyte sensor and generate an analyte data stream using the analyte sensor.