Implantable medical device with communication by way of physical connector, system and method therefore

• US 9,555,254 B2
• Filed: 05/15/2012
• Issued: 01/31/2017
• Est. Priority Date: 02/14/2012
• Status: Active Grant

• Current Assignee: Medtronic Incorporated (Medtronic Plc)
• Original Assignee: Medtronic Incorporated (Medtronic Plc)
• Inventors: Benecke, Walter E., Cabelka, Lonny, Maass, Mark A., Roberts, Melvin P.
• Primary Examiner(s): Patel, Niketa
• Assistant Examiner(s): Hankins, Lindsey G
• Application Number:
  US13/472,211
• Publication Number:
  US 20130211470A1
• Time in Patent Office: 1,722 Days
• Field of Search: 607/1, 607/2, 607/32, 607/33, 607/60
• US Class Current: 1/1
• CPC Class Codes: A61N 1/37211 Means for communicating with stimulators
• CPC Class Codes: A61N 1/37217 characterised by the communication link, e.g. acoustic or tactile
• CPC Class Codes: A61N 1/37254 Pacemaker or defibrillator security, e.g. to prevent or inhibit programming alterations by hackers or unauthorised individuals
• CPC Class Codes: A61N 1/3787 from an external energy source

Abstract

System, implantable medical device and method for communicating between an implantable medical device and an external communication device. The implantable medical device has a physical connector, a medical module and a communication module. The medical module is configured to at least one of deliver a therapeutic output by way of the physical connector and/or sense data indicative of a physiologic condition of a patient by way of the physical connector. The external communication device is configured to communicate with the communication module by way of the physical connector. In an embodiment, electronic communication may be by way of a differential pair of connectors.

Claims

1. A medical system, comprising:

an implantable medical device, comprising;

a physical connector having a plurality of contacts;

a medical module configured to at least one of (1) deliver a therapeutic output through specific ones of said plurality of contacts of said physical connector and (2) sense data indicative of a physiologic condition of a patient through said specific ones of said plurality of contacts of said physical connector; and

a communication module configured to communicate through said specific ones of said plurality of contacts of said physical connector; and

an external communication device configured to communicate with said communication module through said specific ones of said plurality of contacts of said physical connector;

wherein said communication through said communication module comprises a wakeup command and electronic data; and

wherein said implantable medical device is configured, upon receiving said wakeup command, to unlock functionality of said implantable medical device and to disable a functionality of said medical module to prevent interference between said communication using said electronic data and said data indicative of said physiologic condition.

2. The system as in claim 1 wherein said specific ones of said plurality of contacts comprise a differential pair of contacts and wherein said communication module is configured to at least one of transmit and receive electronic communication differentially through said differential pair of contacts.

3. The system as in claim 2 wherein said physical connector comprises a floating ground.

4. The system as in claim 1 wherein said communication through said communication module comprises at least one of a command to control an operation of said implantable medical device and data relating to a condition of said implantable medical device.

5. The system as in claim 4 wherein said communication through said communication module comprises a command to control an operation of said implantable medical device.

6. The system as in claim 1 wherein when said implantable medical device has been implanted in a patient having a heart with periodic beats, said implantable medical device is configured to disable said functionality of said medical module during a time between consecutive ones of said periodic beats;

and

wherein said external communication device is configured to communicate only during said time between consecutive ones of said periodic beats.

7. The system as in claim 1:

wherein said implantable medical device is configured to sense physiologic signals from said patient, said physiologic signals occurring in discrete time periods;

wherein said implantable medical device is configured such that communication through said communication module occurs only at a time other than said discrete time periods in which said physiologic signals are sensed by said implantable medical device.

8. The system as in claim 7 wherein said discrete time periods comprise times of periodic heart beats and wherein said implantable medical device is configured such that said communication through said communication module occurs only outside of said times of periodic hearts beats.

9. The system as in claim 1 wherein said external communication device is configured to be physically coupled to said specific ones of said plurality of contacts of said physical connector using at least one of a direct connection, a resistive connection and a capacitive connection.

10. The system as in claim 1 wherein said implantable medical device further comprises a case containing said medical module and said communication module, and wherein said external communication device is configured to communicate with said communication module through said plurality of contacts of said physical connector and said case.

11. An implantable medical device, comprising:

a physical connector having a plurality of contacts;

a medical module configured to at least one of (1) deliver a therapeutic output through specific ones of said plurality of contacts of said physical connector and (2) sense data indicative of a physiologic condition of a patient through said specific ones of said plurality of contacts of said physical connector; and

a communication module configured to communicate with an external communication device through said specific ones of said plurality of contacts of said physical connector;

wherein said communication through said communication module comprises a wakeup command and electronic data; and

wherein said implantable medical device is configured, upon receiving said wakeup command, to unlock functionality of said implantable medical device and to disable a functionality of said medical module to prevent interference between said communication using said electronic data and said data indicative of said physiologic condition.

12. The implantable medical device as in claim 11 wherein said specific ones of said plurality of contacts comprise a differential pair of contacts and wherein said communication module is configured to at least one of transmit and receive electronic communication differentially through said differential pair of contacts.

13. The implantable medical device as in claim 12 wherein said physical connector comprises a floating ground.

14. The implantable medical device as in claim 11 wherein said communication through said communication module comprises at least one of a command to control an operation of said implantable medical device and data relating to a condition of said implantable medical device.

15. The implantable medical device as in claim 14 wherein said communication through said communication module comprises a command to control an operation of said implantable medical device.

16. The implantable medical device as in claim 11 wherein when said implantable medical device has been implanted in a patient having a heart with periodic beats, said implantable medical device is configured, to disable said functionality of said medical module during a time between consecutive ones of said periodic beats;

and

wherein said external communication device is configured to communicate only during said time between consecutive ones of said periodic beats.

17. The implantable medical device as in claim 11:

wherein said implantable medical device is configured to sense physiologic signals from said patient, said physiologic signals occurring in discrete time periods;

wherein said implantable medical device is configured such that communication through said communication module occurs only at a time other than said discrete time periods in which said physiologic signals are sensed by said implantable medical device.

18. The implantable medical device as in claim 11 wherein said external communication device is configured to be physically coupled to said plurality of contacts of said physical connector using at least one of a direct connection, a resistive connection and a capacitive connection.

19. The implantable medical device as in claim 11 wherein said implantable medical device further comprises a case containing said medical module and said communication module, and wherein said external communication device is configured to communicate with said communication module through said plurality of contacts of said physical connector and said case.

20. A method of operating an implantable medical device having a physical connector having a plurality of contacts, comprising the steps of:

performing at least one of;

delivering a therapeutic output through specific ones of said plurality of contacts of said physical connector; and

sensing data indicative of a physiologic condition of a patient through said specific ones of said plurality of contacts of said physical connector; and

electronically communicating with said implantable medical device through said specific ones of said plurality of contacts of said physical connector;

sending a wakeup command to said implantable medical to disable a functionality of said implantable medical device to prevent interference between said electronically communicating step and said sensing data indicative of a physiologic condition step.

21. The method as in claim 20 wherein said specific ones of said plurality of contacts of said physical connector comprise a differential pair of contacts and said communicating step comprises communicating differentially through said differential pair of contacts.

22. The method as in claim 21 wherein said communicating step comprises communicating with a floating ground.

23. The method as in claim 20 wherein said communicating step comprises at least one of a command to control an operation of said implantable medical device and data relating to a condition of said implantable medical device.

24. The method as in claim 23 wherein said communicating step comprises a command to control an operation of said implantable medical device.

25. The method as in claim 20 wherein said communicating step occurs only during a time between consecutive ones of periodic beats of a heart of said patient.

26. The method as in claim 20 wherein said communicating step occurs only at a time other than in discrete time periods in which physiologic signals are sensed by said implantable medical device.

27. The method as in claim 20 wherein said communicating step occurs with said external device being physically coupled to said plurality of contacts of said physical connector using at least one of a direct connection, a resistive connection and a capacitive connection.

28. The method as in claim 20 wherein said communicating step occurs through said plurality of contacts of said physical connector and said case.