Coexistence of multiple radios in a medical device

• US 9,549,324 B2
• Filed: 01/24/2014
• Issued: 01/17/2017
• Est. Priority Date: 10/15/2010
• Status: Active Grant

• Current Assignee: Roche Diabetes Care Inc. (Roche Holding AG)
• Original Assignee: Roche Diabetes Care Inc. (Roche Holding AG)
• Inventors: Birtwhistle, Daniel, Gurley, Thomas D., Nierzwick, Mark, Porsch, Ulrich, Price, John F., Ramey, Blaine E., Strickland, Raymond
• Primary Examiner(s): Ayotunde, Ayodeji
• Application Number:
  US14/163,510
• Publication Number:
  US 20140230021A1
• Time in Patent Office: 1,089 Days
• Field of Search: 455/500, 455/507, 455/509
• US Class Current: 1/1
• CPC Class Codes: G16H 10/40 for data related to laboratory analysis, e.g. patient specimen analysis
• CPC Class Codes: G16H 10/65 stored on portable record carriers, e.g. on smartcards, RFID tags or CD
• CPC Class Codes: G16H 20/17 delivered via infusion or injection
• CPC Class Codes: G16H 40/67 for remote operation
• CPC Class Codes: H04W 12/04 Key management, e.g. using generic bootstrapping architecture [GBA]
• CPC Class Codes: H04W 12/06 Authentication
• CPC Class Codes: H04W 12/08 Access security
• CPC Class Codes: H04W 12/50 Secure pairing of devices

Abstract

A computer-implemented diabetes management system is provided that supports enhanced security between a diabetes care manager in data communication with a medical device. The diabetes care manager includes: a first application that operates to request access to a first security role supported by the medical device, where the first security role is associated with a first set of commands for accessing data on the medical device that are defined as a private extension of the communication protocol; and a second application that operates to request access to a second security role supported by the medical device, where the second security role is associated with a second set of commands for accessing data on the medical device that are defined as a private extension of the communication protocol. The second set of commands has one or more commands that are mutually exclusive from the first set of commands.

Claims

1. A handheld diabetes management device that arbitrates priority among multiple communication modules having a shared antenna for communicating with a plurality of medical devices, the handheld diabetes management device comprising:

a blood glucose measuring module that selectively measures blood glucose in a blood sample;

a first communication module that selectively communicates in a first frequency band with an insulin infusion pump external to the handheld diabetes management device via a first antenna using a first wireless communication protocol;

a second communication module that selectively communicates in the first frequency band with a continuous glucose monitor external to the handheld diabetes management device via the first antenna using a second wireless communication protocol;

an arbitration module that receives signals from the first and second communication modules for concurrent communication with the insulin infusion pump and the continuous glucose monitor, respectively, identifies the insulin infusion pump and the continuous glucose monitor as the source or destination of the signals, determines that the insulin infusion pump has a higher priority than the continuous glucose monitor, and grants permission to communicate to the first communication module, and denies permission to communicate to the second communication module; and

a third communication module that selectively communicates in a second frequency band with a device external to the handheld diabetes management device via a second antenna using a third wireless communication protocol that is different than the first and second wireless communication protocols, wherein the second frequency band is different than the first frequency band, wherein the device is different than the insulin infusion pump and the continuous glucose monitor, and wherein the first and second antennas are orthogonal.

2. The handheld diabetes management device of claim 1 further comprising:

a power management module that deactivates the first and second communication modules when the blood glucose measuring module measures the blood glucose in the blood sample;

a radio frequency (RF) sensing module that selectively senses RF signals; and

a processing module that deactivates the blood glucose measuring module when the RF sensing module senses the RF signals proximate to the handheld diabetes management device.

3. The handheld diabetes management device of claim 1 further comprising a communication control module that allocates a first channel set in the first frequency band to the first communication module and that allocates a second channel set in the first frequency band to the second communication module.

4. The handheld diabetes management device of claim 1 further comprising an antenna switching module that connects the first antenna to the first communication module when the first communication module is granted permission to communicate and that connects the first antenna to the second communication module when the second communication module is granted permission to communicate.

5. The handheld diabetes management device of claim 1 further comprising a communication control module that

detects when a communication of the second communication module is pending,

disables a power amplifier of the first communication module,

confirms that the first communication module has stopped communication,

allows the second communication module to complete the communication, and

enables the power amplifier of the first communication module.

6. A handheld medical device that arbitrates priority among multiple communication modules having a shared antenna for communicating with a plurality of medical devices, the handheld medical device comprising:

a blood glucose measuring mode that selectively measures blood glucose in a blood sample;

a first communication module that selectively communicates in a first frequency band with a first device external to the handheld medical device via a first antenna using a first wireless communication protocol, wherein the first device administers a substance to a patient by communicating with the handheld medical device via the first communication module,

a second communication module that selectively communicates in the first frequency band with a second device external to the handheld medical device via the first antenna using a second wireless communication protocol, wherein the second device monitors a health parameter of the patient by communicating with the handheld medical device via the second communication module;

an arbitration module that grants permission to communicate to the first communication module and that denies permission to communicate to the second communication module when the first and second communication modules request permission to communicate concurrently and when the first device has a higher priority than the second device based on a condition of the patient; and

a communication control module that detects when a communication of the second communication module is pending, disables a power amplifier of the first communication module, confirms that the first communication module has stopped communication, allows the second communication module to complete the communication, and enables the power amplifier of the first communication module.

7. The handheld medical device of claim 6 further comprising:

a power management module that deactivates the first and second communication modules when the blood glucose measuring module measures the blood glucose in the blood sample;

a radio frequency (RF) sensing module that selectively senses RF signals; and

a processing module that deactivates the blood glucose measuring module when the RF sensing module senses the RF signals proximate to the handheld medical device.

8. The handheld medical device of claim 6 further comprising:

a third communication module that selectively communicates in a second frequency band with a third device external to the handheld medical device via a second antenna using a third wireless communication protocol that is different than the first and second wireless communication protocols,

wherein the second frequency band is different than the first frequency band, and

wherein the first and second antennas are orthogonal to reduce near-field interference.

9. The handheld medical device of claim 6 further comprising a communication control module that allocates a first channel set in the first frequency band to the first communication module and that allocates a second channel set in the first frequency band to the second communication module.

10. The handheld medical device of claim 6 further comprising an antenna switching module that connects the first antenna to the first communication module when the first communication module is granted permission to communicate and that connects the first antenna to the second communication module when the second communication module is granted permission to communicate.

11. A handheld diabetes management device that arbitrates priority among multiple communication modules having a shared antenna for communicating with a plurality of medical devices, the handheld diabetes management device comprising:

a blood glucose measuring module that selectively measures blood glucose in a blood sample;

a first communication module that selectively communicates in a first frequency band with an insulin infusion pump external to the handheld diabetes management device via a first antenna using a first wireless communication protocol, wherein the insulin infusion pump selectively receives an instruction from the handheld diabetes management device to administer insulin to a patient;

a second communication module that selectively communicates in the first frequency band with a continuous glucose monitor external to the handheld diabetes management device via the first antenna using a second wireless communication protocol, wherein the continuous glucose monitor selectively communicates a glucose level of the patient to the handheld diabetes management device;

an arbitration module that denies permission to communicate to the first communication module and that grants permission to communicate to the second communication module when the first and second communication modules request permission to communicate concurrently and when the blood glucose level of the patient is less than a threshold;

a collection application implemented as computer executable instructions in the data store of the diabetes care manager, the collection application executes a structured collection procedure for obtaining measurement data from the meter and provides access to the measurement data, wherein the structured collection procedure having parameters including a schedule of collection events;

a configuration application implemented as computer executable instructions in the data store of the diabetes care manager that accesses and manipulates the parameters of the structured collection procedure using a set of action commands, wherein the set of action commands are defined in compliance with the communication protocol; and

a collection interface implemented as computer executable instructions in the data store of the diabetes care manager that receives an action command from the configuration application, executes the received action command and issues a response command in response thereto, wherein the response command is defined in compliance with the communication protocol.

12. The handheld diabetes management device of claim 11 further comprising:

a power management module that deactivates the first and second communication modules when the blood glucose measuring module measures the blood glucose in the blood sample;

a radio frequency (RF) sensing module that selectively senses RF signals; and

a processing module that deactivates the blood glucose measuring module when the RF sensing module senses the RF signals proximate to the handheld diabetes management device.

13. The handheld diabetes management device of claim 11 further comprising:

a third communication module that selectively communicates in a second frequency band with a device external to the handheld diabetes management device via a second antenna using a third wireless communication protocol that is different than the first and second wireless communication protocols,

wherein the second frequency band is different than the first frequency band,

wherein the device is different than the insulin infusion pump and the continuous glucose monitor, and

wherein the first and second antennas are orthogonal.

14. The handheld diabetes management device of claim 11 further comprising a communication control module that allocates a first channel set in the first frequency band to the first communication module and that allocates a second channel set in the first frequency band to the second communication module.

15. The handheld diabetes management device of claim 11 further comprising an antenna switching module that connects the first antenna to the first communication module when the first communication module is granted permission to communicate and that connects the first antenna to the second communication module when the second communication module is granted permission to communicate.

16. The handheld diabetes management device of claim 11 further comprising a communication control module that

detects when a communication of the second communication module is pending,

disables a power amplifier of the first communication module,

confirms that the first communication module has stopped communication,

allows the second communication module to complete the communication, and

enables the power amplifier of the first communication module.