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

• US 10,172,518 B2
• Filed: 04/13/2018
• Issued: 01/08/2019
• 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, Jeffery Mario, Dinh, Hung, Sloan, Mark Kent
• Primary Examiner(s): Nwugo, Ojiako K
• Application Number:
  US15/953,381
• Publication Number:
  US 20180228369A1
• Time in Patent Office: 270 Days
• 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. A method for transmit window detection, comprising:

receiving signals from an in vivo analyte sensor corresponding to monitored analyte level;

generating data corresponding to the signals received from the in vivo analyte sensor;

detecting, using a window detection module, a data frame start;

comparing a current value of a detection count to a transmission window value;

when the current value of the detection count is equal to the transmission window value, transmitting a signal from the window detection module to a main controller to start transmission of the data corresponding to the signals received from the in vivo analyte sensor; and

when the current value of the detection count is not equal to the transmission window value, enabling a detection clock to count for a time period, and when the detection clock has counted for the time period, incrementing the detection count.

2. The method of claim 1, wherein the data frame start corresponds to a transmission interval.

3. The method of claim 1, further comprising, in response to detecting the data frame start, transitioning a detector controller of the window detection module from an initial state to a state configured to compare the current value of the detection count to the transmission window value, and wherein the detector controller compares the current value of the detection count to the transmission window value.

4. The method of claim 3, wherein transmitting the signal from the window detection module is by the detection controller.

5. The method of claim 4, further comprising, in response to transmitting the signal from the detection controller, transitioning the detection controller into the initial state, and wherein the initial state corresponds to a wait mode.

6. The method of claim 1, wherein the time period corresponds to a transmission window plus overhead time.

7. The method of claim 1, wherein the data frame start is part of a time window, and wherein the time window is specific to a transmitter for transmitting the data corresponding to the signals received from the in vivo analyte sensor.

8. The method of claim 1, wherein the in vivo analyte sensor comprises a plurality of electrodes including a working electrode comprising an analyte-responsive enzyme bonded to a polymer disposed on the working electrode.

9. The method of claim 8, wherein the analyte-responsive enzyme is chemically bonded to the polymer.

10. The method of claim 8, wherein the working electrode further comprises a mediator.

11. The method of claim 1, wherein the in vivo analyte sensor comprises a plurality of electrodes including a working electrode comprising a mediator bonded to a polymer disposed on the working electrode.

12. The method of claim 11, wherein the mediator is chemically bonded to the polymer.

13. A device, comprising:

a communication component;

a window detection module, to detect a data frame start;

a detector controller, to compare a current value of a detection count to a transmission window value;

a detection clock;

a main controller;

one or more processors; and

a memory, the memory storing instructions which, when executed by the one or more processors, causes the one or more processors to;

receive signals from an in vivo analyte sensor corresponding to monitored analyte level using the communication component;

generate data corresponding to the signals received from the in vivo analyte sensor;

when the current value of the detection count is equal to the transmission window value, transmit a signal from the window detection module to the main controller to start transmission of the data corresponding to the signals received from the in vivo analyte sensor using the communication component; and

when the current value of the detection count is not equal to the transmission window value, enable the detection clock to count for a time period, and when the detection clock has counted for the time period, increment the detection count.

14. The device of claim 13, wherein the data frame start corresponds to a transmission interval.

15. The device of claim 13, wherein the time period corresponds to a transmission window plus overhead time.

16. The device of claim 13, wherein the in vivo analyte sensor comprises a plurality of electrodes including a working electrode comprising an analyte-responsive enzyme bonded to a polymer disposed on the working electrode.

17. The device of claim 16, wherein the analyte-responsive enzyme is chemically bonded to the polymer.

18. The device of claim 16, wherein the working electrode further comprises a mediator.

19. The device of claim 13, wherein the in vivo analyte sensor comprises a plurality of electrodes including a working electrode comprising a mediator bonded to a polymer disposed on the working electrode.

20. The device of claim 19, wherein the mediator is chemically bonded to the polymer.