INSULIN PUMP WITH BLOOD GLUCOSE MODULES

• US 20120238854A1
• Filed: 05/25/2012
• Published: 09/20/2012
• Est. Priority Date: 01/07/2008
• Status: Active Grant

• Current Assignee: Tandem Diabetes Care Incorporated
• Original Assignee: Tandem Diabetes Care Incorporated
• Inventors: Blomquist, Michael, Kopp, Kevin, Savard, Thomas Alan
• Granted Patent: US 8,718,949 B2
• Time in Patent Office: Days
• US Class Current: 600/365
• CPC Class Codes: A61B 5/14532 for measuring glucose, e.g. by tissue impedance measurement
• CPC Class Codes: A61B 5/4836 Diagnosis combined with treatment in closed-loop systems or methods A61B5/0036 takes precedence
• CPC Class Codes: A61B 5/746 Alarms related to a physiological condition, e.g. details of setting alarm thresholds or avoiding false alarms alarms per se G08B
• CPC Class Codes: A61M 2005/14208 with a programmable infusion control system, characterised by the infusion program
• CPC Class Codes: A61M 2202/0007 introduced into the body
• CPC Class Codes: A61M 2205/3327 Measuring
• CPC Class Codes: A61M 2230/201 Glucose concentration
• CPC Class Codes: A61M 5/142 Pressure infusion, e.g. using pumps
• CPC Class Codes: A61M 5/14244 adapted to be carried by the patient, e.g. portable on the body
• CPC Class Codes: A61M 5/1723 using feedback of body parameters, e.g. blood-sugar, pressure measurement of body parameters A61B5/00
• CPC Class Codes: G16H 20/17 delivered via infusion or injection
• CPC Class Codes: G16H 70/20 relating to practices or guidelines
• CPC Class Codes: G16Z 99/00 Subject matter not provided for in other main groups of this subclass

Abstract

An apparatus comprising a pump, an input configured to receive information related to a user, a user interface, and a controller communicatively coupled to the pump, the input, and the user interface. The controller includes a timing module configured to initiate delivery of a drug in time and to adjust delivery according to the received information. Other devices, systems, and methods are disclosed.

Claims

1. An apparatus comprising an input configured to receive blood glucose information, wherein the information includes a blood glucose level of a user, a user interface;

and

a controller communicatively coupled to the input and the user interface, wherein the controller includes;

an alert module configured to provide an alert to the user, via the user interface, to check blood glucose level;

a blood glucose stability module configured to calculate a measure of a past stability of the blood glucose level of the user based on relative differences of past blood glucose level measurements; and

a randomization module configured to randomize the alert based on the calculated measure of the past stability, the randomization module configured to at least one of randomly determine whether to provide the alert to the user, randomly determine a type of alert to provide, and randomly determine a particular user input to the user interface necessary to reset a provided alert.

2. The apparatus of claim 1, wherein the blood glucose stability module is configured to calculate, from at least a portion of the past blood glucose levels of the user, at least one of a central tendency of the blood glucose level of the user, a maximum blood glucose level of the user, a minimum blood glucose level of the user, and a standard deviation of the blood glucose level of the user as the measure of past stability.

3. The apparatus of claim 1, including a pump communicatively coupled to the controller and configured to deliver insulin, wherein the alert module includes a timer, and wherein the alert module is configured to provide the alert a timed duration after delivery of a bolus of insulin.

4. The apparatus of claim 1, wherein the alert module includes a timer, and wherein the alert module is configured to provide the alert a timed duration after the blood glucose information indicates that the blood glucose level of the user differs from a target blood glucose level by a threshold value.

5. The apparatus of claim 1, wherein the user interface includes a plurality of keys configured to be pressed by a user, and wherein the randomization module randomly determining a particular user input to the user interface necessary to reset a provided alert includes randomizing a sequence of key presses to reset the provided alert.

6. The apparatus of claim 1, wherein the user interface includes a speaker, and wherein the randomization module randomly determining a type of alert o provide includes randomizing an audible indication of an alert via the user interface.

7. The apparatus of claim 1, including a blood glucose monitor communicatively coupled to the input.

8. The apparatus of claim 1, including a communication port coupled to the input and configured to receive blood glucose information from a second separate device.

9. The apparatus of claim 1, wherein the user interface includes a display, and wherein the controller is configured to provide the alert to prompt the user, via the display, to begin a blood glucose measurement using a separate device.

10. The apparatus of claim 1, wherein the user interface is configured to receive manual entry of the blood glucose information from the user.

11. An apparatus comprising:

an input configured to receive blood glucose data, wherein the blood glucose data is obtained during a number of specified blood glucose testing times;

a user interface; and

a controller communicatively coupled to the input, and the user interface, wherein the controller includes;

a blood glucose data module configured to calculate a statistical measure of blood glucose variability of the user from the blood glucose data, and wherein the controller is configured to adjust a blood glucose testing time from a previously stored testing time in response to the measure of blood glucose variability.

12. The apparatus of claim 11, wherein the controller includes:

a comparison module configured to compare the calculated measure of blood glucose variability to a threshold blood glucose variability value, and wherein the controller is configured to increase the number of blood glucose testing times if the measure of blood glucose variability exceeds a blood glucose variability target value by more than a first threshold blood glucose variability value, and decrease the number of blood glucose testing times if the measure of blood glucose variability is less than the blood glucose variability target value by more than a second threshold blood glucose variability value.

13. The apparatus of claim 11, including a memory communicatively coupled to the controller to store an indication of a user preference for a blood glucose testing time, and wherein the controller is configured to adjust the blood glucose testing time according to the indication.

14. The apparatus of claim 13, wherein the controller is configured to schedule a plurality of blood glucose testing times according to the indication.

15. The apparatus of claim 11, including a blood glucose monitor communicatively coupled to the input and configured to test blood glucose in response to a prompt received from the controller.

16. The apparatus of claim 11, including a communication port coupled to the input and configured to receive blood glucose data from a device separate from the blood glucose management device, and wherein the controller is configured to communicate an adjusted blood glucose testing time to the separate device.

17. The apparatus of claim 11, wherein the user interface includes a display, wherein the controller is configured to prompt a user, via the display, to test blood glucose at an adjusted time using a separate device.

18. The apparatus of claim 17, wherein the user interface is configured to receive manual entry of the blood glucose data from the user.

19. The apparatus of claim 11, including:

a pump communicatively coupled to the controller and configured to deliver insulin, and wherein the controller is configured to adjust the blood glucose testing time in response to the measure of blood glucose variability and according to times of insulin delivery.