Method and Apparatus for Providing Notification in Analyte Monitoring Systems

• US 20110184265A1
• Filed: 01/22/2011
• Published: 07/28/2011
• Est. Priority Date: 01/22/2010
• Status: Abandoned Application

• Current Assignee: Abbott Diabetes Care Incorporated (Abbott Laboratories)
• Original Assignee: Abbott Diabetes Care Incorporated (Abbott Laboratories)
• Inventors: Hayter, Gary Alan
• Application Number:
  US13/011,897
• Publication Number:
  US 20110184265A1
• Time in Patent Office: Days
• US Class Current: 600/347
• CPC Class Codes: A61B 5/01 Measuring temperature of body parts ; Diagnostic temperature sensing, e.g. for malignant or inflamed tissue clinical contact thermometers G01K13/20
• CPC Class Codes: A61B 5/14532 for measuring glucose, e.g. by tissue impedance measurement
• CPC Class Codes: A61B 5/1473 invasive, e.g. introduced into the body by a catheter A61B5/1482 takes precedence
• CPC Class Codes: A61B 5/14865 invasive, e.g. introduced into the body by a catheter or needle or using implanted sensors

Abstract

An analyte monitoring system for determining an analyte concentration of a biofluid upon user command and adapted to determine rate of change of the analyte concentration in addition to the real time analyte concentration and to output an alarm notification upon an anticipated physiological condition determined by projected analyte levels is provided. Methods, devices and kits are also provided.

Claims

1. An analyte monitoring system, comprising:

an analyte sensor adapted to measure one or more analyte concentrations present in a bodily fluid of a user and to generate signals corresponding an analyte concentration;

sensor electronics in signal communication with the analyte sensor and configured to transmit the signals corresponding to the measured analyte concentration in response to a command; and

a receiver configured to generate and transmit the command to the sensor electronics, and in response to the transmitted command, to receive the signals corresponding to the measured analyte concentration from the sensor electronics, the received signals including multiple data points corresponding to the measured analyte concentration over a predetermined time period, the receiver including a display configured to output the received one or more signals from the sensor electronics, the receiver configured to determine a real time analyte concentration level and a current status of an anticipated physiological condition based on the received multiple data points, and further wherein the receiver is configured to output a notification associated with the determined current status of the anticipated physiological condition;

wherein the sensor electronics transmits the multiple data points corresponding to the measured analyte concentration over the predetermined time period in a single data transmission to the receiver in response to the received command; and

further

wherein the receiver outputs an indication of the determined real time analyte concentration level and an indication of the determined current status of the anticipated physiological condition on the display.

2. The analyte monitoring system of claim 1 wherein the receiver is configured to determine the current status of the anticipated physiological condition by determining a rate of change of the monitored analyte level based on the received multiple data points corresponding to the measured analyte concentration over the predetermined time period.

3. The analyte monitoring system of claim 1 wherein receiver is configured to determine the current status of the anticipated physiological condition by performing a statistical analysis of the monitored analyte level based on the received multiple data points corresponding to the measured analyte concentration over the predetermined time period.

4. The analyte monitoring system of claim 1 wherein the current status of the anticipated physiological condition includes a projected alarm.

5. The analyte monitoring system of claim 1 wherein the receiver concurrently outputs the indication of the determined real time analyte concentration level and the indication of the determined current status of the anticipated physiological condition on the display.

6. The analyte monitoring system of claim 5 wherein the indication of the determined real time analyte concentration level and the indication of the determined current status of the anticipated physiological condition are displayed simultaneously and overlapping at least a portion of the display area.

7. The analyte monitoring system of claim 1, wherein the receiver is configured to determine trend information based on the multiple data points received from sensor electronics.

8. The analyte monitoring system of claim 7, wherein the receiver is adapted to determine an anticipated analyte concentration level based on the trend information and/or the rate of change of analyte concentration.

9. The analyte monitoring system of claim 8, wherein the receiver is programmed to issue a notification based on the anticipated analyte concentration level.

10. The analyte monitoring system of claim 1, wherein the predetermined time period is programmable by the user.

11. The analyte monitoring system of claim 10, wherein the receiver is configured to determine a glucose profile information based on the multiple data points received from the sensor electronics in response to the command, and based on data points received in prior communication from the sensor electronics and retrieved from a storage unit of the receiver.

12. The analyte monitoring system of claim 11, wherein the receiver is programmed to determine an anticipated analyte concentration level based on the glucose profile information.

13. The analyte monitoring system of claim 1, wherein the notification is a visual indicator displayed by the display of the receiver.

14. The analyte monitoring system of claim 13, wherein the visual indicator is a popup screen or an icon.

15. The analyte monitoring system of claim 1, wherein the notification is an audio indicator or a tactile indicator.

16. The analyte monitoring system of claim 15, wherein the tactile indicator comprises a vibrating component in the receiver.

17. The analyte monitoring system of claim 1, wherein the anticipated physiological condition is an elevated analyte concentration.

18. The analyte monitoring system of claim 17, wherein the elevated analyte concentration includes a hyperglycemic condition.

19. The analyte monitoring system of claim 1, wherein the anticipated physiological condition is a depressed analyte concentration.

20. The analyte monitoring system of claim 19, wherein the depressed analyte concentration includes a hypoglycemic condition.

21. The analyte monitoring system of claim 1, wherein the receiver is configured to permit the user to enable or disable the notification.

22. The analyte monitoring system of claim 1, wherein the receiver includes a transceiver configured for bidirectional communication with the sensor electronics initiated by the transmitted command.

23. The analyte monitoring system of claim 22, wherein the transceiver is configured to communicate via a radiofrequency link.

24. The analyte monitoring system of claim 22, wherein the command comprises positioning the receiver within a predetermined distance from sensor electronics.

25. The analyte monitoring system of claim 1, wherein the received signals including multiple data points corresponding to the measured analyte concentration over the predetermined time period includes substantially equally time spaced data points over the predetermined time period.

26. A method, comprising:

transmitting a command to a sensor electronics, wherein the command includes a request for analyte sensor data;

receiving the analyte sensor data from the sensor electronics, the analyte sensor data corresponding to a measured analyte concentration present in a bodily fluid of a user, wherein the received analyte sensor data includes multiple data points corresponding to the measured analyte concentration over a predetermined time period;

displaying the received analyte sensor data from the sensor electronics;

determining a real time analyte concentration level and a current status of an anticipated physiological condition based on the received multiple data points;

displaying an indication of the determined real time analyte concentration level and an indication of the determined current status of the anticipated physiological condition; and

outputting a notification associated with the determined status of the anticipated physiological condition;

wherein the analyte sensor data including the multiple data points corresponding to the measured analyte concentration over the predetermined time period is received in a single data transmission from the sensor electronics in response to the transmitted command.

27. A device for processing analyte sensor data, comprising:

a processor;

a transmitter operatively coupled to the processor and configured to transmit a command to a sensor electronics, wherein the command includes a request for analyte sensor data;

a receiver operatively coupled to the processor and configured to receive the analyte sensor data from the sensor electronics, the analyte sensor data corresponding to a measured analyte concentration present in a bodily fluid of a user, wherein the received analyte sensor data includes multiple data points corresponding to the measured analyte concentration over a predetermined time period;

a display operatively coupled to the processor and configured to display the received analyte sensor data from the sensor electronics; and

a memory including instructions which, when executed by the processor, causes the processor to determine a real time analyte concentration level and a current status of an anticipated physiological condition based on the received multiple data points, display an indication of the determined real time analyte concentration level and an indication of the determined current status of the anticipated physiological condition on the display, and output a notification associated with the anticipated physiological condition;

wherein the analyte sensor data including the multiple data points corresponding to the measured analyte concentration over the predetermined time period is received in a single data transmission from the sensor electronics in response to the transmitted command.