Method and system for providing data communication in continuous glucose monitoring and management system

• US 8,368,556 B2
• Filed: 04/29/2010
• Issued: 02/05/2013
• Est. Priority Date: 04/29/2009
• Status: Active Grant

• Current Assignee: Abbott Diabetes Care Incorporated (Abbott Laboratories Incorporated)
• Original Assignee: Abbott Diabetes Care Incorporated (Abbott Laboratories Incorporated)
• Inventors: Sicurello, Jeffrey Mario, Dinh, Hung, Sloan, Mark Kent
• Primary Examiner(s): LAUTURE, JOSEPH J
• Application Number:
  US12/770,715
• Publication Number:
  US 20100277342A1
• Time in Patent Office: 1,013 Days
• Field of Search: 340/870.3, 455/73, 600/347, 600/365
• US Class Current: 340/870.3
• CPC Class Codes: A61B 5/0004 characterised by the type of physiological signal transmitted
• CPC Class Codes: A61B 5/145 Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissuemeasuring of blood pressure or blood flow A61B5/02; non-radiation detecting or locating of foreign bodies in blood A61B5/06
• CPC Class Codes: A61B 5/14532 for measuring glucose, e.g. by tissue impedance measurement
• CPC Class Codes: A61B 5/1468 using chemical or electrochemical methods, e.g. by polarographic means A61B5/1486 takes precedence
• CPC Class Codes: A61B 5/7203 for noise prevention, reduction or removal
• CPC Class Codes: G06F 15/00 Digital computers in general details G06F1/00 – G06F13/00; Data processing equipment in general
• CPC Class Codes: G16H 10/60 for patient-specific data, e.g. for electronic patient records
• CPC Class Codes: G16H 40/67 for remote operation
• CPC Class Codes: H04L 65/00 Network arrangements, protocols or services for supporting real-time applications in data packet communication real-time or near real-time messaging, e.g. instant messaging [IM] H04L51/04; selective video distribution H04N21/00
• CPC Class Codes: H04L 69/324 in the data link layer [OSI layer 2], e.g. HDLC
• CPC Class Codes: H04Q 2209/40 using a wireless architecture
• CPC Class Codes: H04Q 2209/823 where the data is sent when the measured values exceed a threshold, e.g. sending an alarm
• CPC Class Codes: H04Q 2209/86 Performing a diagnostic of the sensing device
• CPC Class Codes: H04Q 9/00 Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom

Abstract

Method and apparatus for providing a data stream generator that generates a data stream associated with a monitored analyte level, and a radio frequency logic portion operatively coupled to the data stream generator, the radio frequency logic portion configured to generate a radio frequency data stream based on the data stream generated from the data stream generator, the radio frequency logic portion further including one or more finite state machines and a plurality of discrete digital logic circuits, the one or more finite state machines configured to control the plurality of digital logic circuits to generate the radio frequency data stream for wireless communication are provided. Systems and kits incorporating the same are also provided.

Claims

1. An apparatus, comprising:

a data stream generator that generates a data stream associated with a monitored analyte level; and

a radio frequency logic portion operatively coupled to the data stream generator, the radio frequency logic portion configured to generate a radio frequency data stream based on the data stream generated from the data stream generator, the radio frequency logic portion further including one or more finite state machines and a plurality of discrete digital logic circuits, the one or more finite state machines configured to control the plurality of digital logic circuits to generate the radio frequency data stream for wireless communication.

2. The apparatus of claim 1, wherein the one or more finite state machines of the radio frequency logic portion includes a serializer state machine configured to transition between a first state and a second state, serially outputting data with the transition.

3. The apparatus of claim 1, wherein the monitored analyte level is monitored by an analyte sensor.

4. The apparatus of claim 1, wherein the one or more finite state machines includes a transmit state machine configured to control the generation of the radio frequency data stream.

5. The apparatus of claim 1, wherein the data stream generator includes a data multiplexer to multiplex data packets associated with the monitored analyte level.

6. The apparatus of claim 5, wherein the data stream generator further includes a packet engine, wherein the data multiplexer and the packet engine are configured to store the data packets prior to the generation of the radio frequency data stream.

7. The apparatus of claim 1, wherein the one or more finite state machines of the radio frequency logic portion includes an application specific integrated circuit.

8. The apparatus of claim 7, wherein the application specific integrated circuit is implemented as a single semiconductor chip.

9. The apparatus of claim 1 further including a radio frequency communication component operatively coupled to the radio frequency logic portion to wirelessly communicate the generated radio frequency data stream to a remote location.

10. The apparatus of claim 9, wherein the radio frequency communication component includes an antenna configured to transmit radio frequency signals generated based on the radio frequency data stream.

11. The apparatus of claim 1, wherein the radio frequency logic portion includes one or more of a radio frequency logic finite state machine, a multiplexer, a Reed-Solomon encoder, a clock circuit, a plurality of registers, a counter or a Manchester encoder.

12. The apparatus of claim 11, wherein the radio frequency logic finite state machine is configured for operation in the 26 MHz clock domain.

13. The apparatus of claim 1, wherein the radio frequency logic portion is configured as a data interface to a radio frequency transmitter, and configured to move data from a data multiplexer operating in a 32 KHz clock domain to a plurality of radio frequency data registers operating in a 26 MHz clock domain.

14. A method, comprising:

generating a data stream associated with a monitored analyte level with a data stream generator; and

operatively coupling a radio frequency logic portion to the data stream generator, the radio frequency logic portion configured to generate a radio frequency data stream based on the data stream generated from the data stream generator, the radio frequency logic portion further including one or more finite state machines and a plurality of discrete digital logic circuits, the one or more finite state machines configured to control the plurality of digital logic circuits to generate the radio frequency data stream for wireless communication.

15. The method of claim 14 further including providing a serializer state machine which transitions between a first state and a second state to serially output data with the transition.

16. The method of claim 14, wherein the monitored analyte level is monitored by an analyte sensor.

17. The method of claim 14 further including providing a transmit state machine to control the generation of the radio frequency data stream.

18. The method of claim 14 further including providing a data multiplexer to multiplex data packets associated with the monitored analyte level.

19. The method of claim 18 further including providing a packet engine such that the data multiplexer and the packet engine store the data packets prior to the generation of the radio frequency data stream.

20. The method of claim 14 further including providing an application specific integrated circuit including the one or more finite state machines of the radio frequency logic portion.

21. The method of claim 20, wherein the application specific integrated circuit is implemented as a single semiconductor chip.

22. The method of claim 14 further including operatively coupling a radio frequency communication component to the radio frequency logic portion to wirelessly communicate the generated radio frequency data stream to a remote location.

23. The method of claim 22 further including providing an antenna configured to transmit radio frequency signals generated based on the radio frequency data stream.

24. The method of claim 14, wherein the radio frequency logic portion includes one or more of a radio frequency logic finite state machine, a multiplexer, a Reed-Solomon encoder, a clock circuit, a plurality of registers, a counter or a Manchester encoder.

25. The method of claim 24 further including configuring the radio frequency logic finite state machine for operation in the 26 MHz clock domain.

26. The method of claim 14 further including configuring the radio frequency logic portion as a data interface to a radio frequency transmitter to move data from a data multiplexer operating in a 32 KHz clock domain to a plurality of radio frequency data registers operating in a 26 MHz clock domain.