Method and Apparatus for Providing Data Processing and Control in a Medical Communication System

• US 20140088908A1
• Filed: 12/02/2013
• Published: 03/27/2014
• Est. Priority Date: 05/14/2007
• Status: Active Grant

• Current Assignee: Abbott Diabetes Care Incorporated (Abbott Laboratories)
• Original Assignee: Abbott Diabetes Care Incorporated (Abbott Laboratories)
• Inventors: Hayter, Gary Alan, McGarraugh, Geoffrey V., Naegeli, Andrew H., Mazza, John Charles, Feldman, Benjamin Jay
• Granted Patent: US 10,031,002 B2
• Time in Patent Office: Days
• US Class Current: 702/104
• CPC Class Codes: A61B 2560/0223 of calibration, e.g. protocols for calibrating sensors
• CPC Class Codes: A61B 2560/0252 using ambient temperature
• CPC Class Codes: A61B 5/0004 characterised by the type of physiological signal transmitted
• CPC Class Codes: A61B 5/002 Monitoring the patient using a local or closed circuit, e.g. in a room or building A61B5/0017 takes precedence
• 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 5/1495 Calibrating or testing of in-vivo probes
• CPC Class Codes: A61B 5/4839 combined with drug delivery
• CPC Class Codes: A61B 5/7221 Determining signal validity, reliability or quality A61B5/7207 and A61B5/7217 take precedence
• CPC Class Codes: A61B 5/7275 Determining trends in physiological measurement data; Predicting development of a medical condition based on physiological measurements, e.g. determining a risk factor
• CPC Class Codes: G01D 18/008 with calibration coefficients stored in memory
• CPC Class Codes: G01N 33/48 Biological material, e.g. blood, urine G01N33/02, G01N33/26, G01N33/44, G01N33/46 take precedence; Haemocytometers counting blood corpuscules distributed over a surface by scanning the surface G06M11/02
• CPC Class Codes: G16H 15/00 ICT specially adapted for medical reports, e.g. generation or transmission thereof
• CPC Class Codes: G16H 20/17 delivered via infusion or injection
• CPC Class Codes: G16H 40/40 for the management of medical equipment or devices, e.g. scheduling maintenance or upgrades
• CPC Class Codes: G16H 40/63 for local operation
• CPC Class Codes: G16Z 99/00 Subject matter not provided for in other main groups of this subclass

Abstract

Methods and apparatus for providing data processing and control for use in a medical communication system are provided.

Claims

1. A method, comprising:

determining, using one or more processors, a sensitivity value associated with an analyte sensor;

retrieving from a memory a stored sensitivity value associated with the analyte sensor;

comparing the determined sensitivity value and the retrieved sensitivity value to determine whether the determined sensitivity value is within a predetermined range from the retrieved sensitivity value; and

determining, using the one or more processors, a composite sensitivity for the analyte sensor based on one or more of the determined sensitivity value or the retrieved sensitivity value.

2. The method of claim 1, wherein the retrieved sensitivity value is associated with a prior calibration parameter used to calibrate the analyte sensor.

3. The method of claim 2, wherein the prior calibration parameter includes a blood glucose value.

4. The method of claim 1, wherein determining the composite sensitivity includes applying a first weighted parameter to the determined sensitivity value and applying a second weighted parameter to the retrieved sensitivity value.

5. The method of claim 4, wherein the first weighted parameter and the second weighted parameter are different.

6. The method of claim 4, wherein the first weighted parameter and the second weighted parameter are substantially the same.

7. The method of claim 4, wherein the first weighted parameter and the second weighted parameter are time based.

8. The method of claim 7, wherein the retrieved sensitivity value associated with the analyte sensor is based on a prior calibration parameter used to calibrate the analyte sensor prior to a predetermined time period of receiving the calibration parameter.

9. The method of claim 7, wherein the first weighted parameter is associated with a current calibration event and the second weighted parameter is associated with a prior calibration event.

10. The method of claim 1, wherein the analyte sensor comprises at least one working electrode including an analyte-responsive enzyme and a mediator, wherein at least one of the analyte-responsive enzyme and the mediator is chemically bonded to a polymer disposed on the working electrode, and further wherein at least one of the analyte-responsive enzyme and the mediator is crosslinked with the polymer.

11. An apparatus, comprising:

one or more processors; and

a memory for storing instructions which, when executed by the one or more processors, cause the one or more processors to determine a sensitivity value associated an analyte sensor, to retrieve a stored sensitivity value associated with the analyte sensor, to compare the determined sensitivity value and the retrieved sensitivity value to determine whether the determined sensitivity value is within a predetermined range from the retrieved sensitivity value, and to determine a composite sensitivity for the analyte sensor based on one or more of the determined sensitivity value or the retrieved sensitivity value.

12. The apparatus of claim 11, wherein the retrieved sensitivity value is associated with a prior calibration parameter used to calibrate the analyte sensor.

13. The apparatus of claim 12, wherein the prior calibration parameter includes a blood glucose value.

14. The apparatus of claim 11, wherein the memory for storing instructions which, when executed by the one or more processors, cause the one or more processors to determine the composite sensitivity by applying a first weighted parameter to the determined sensitivity value and applying a second weighted parameter to the retrieved sensitivity value.

15. The apparatus of claim 14, wherein the first weighted parameter and the second weighted parameter are different.

16. The apparatus of claim 14, wherein the first weighted parameter and the second weighted parameter are substantially the same.

17. The apparatus of claim 14, wherein the first weighted parameter and the second weighted parameter are time based.

18. The apparatus of claim 17, wherein the retrieved sensitivity value associated with the analyte sensor is based on a prior calibration parameter used to calibrate the analyte sensor prior to a predetermined time period of receiving the calibration parameter.

19. The apparatus of claim 17, wherein the first weighted parameter is associated with a current calibration event and the second weighted parameter is associated with a prior calibration event.

20. The apparatus of claim 11, wherein the analyte sensor comprises at least one working electrode including an analyte-responsive enzyme and a mediator, wherein at least one of the analyte-responsive enzyme and the mediator is chemically bonded to a polymer disposed on the working electrode, and further wherein at least one of the analyte-responsive enzyme and the mediator is crosslinked with the polymer.