Determination of dipole for tissue conductance communication
First Claim
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1. An external device comprising:
- a plurality of three or more electrodes positionable at different tissue contact points on an external tissue surface of a patient;
a communication unit configured to communicate with an implantable medical device via a plurality of dipoles formed by different combinations of two of the three or more electrodes, wherein the communication unit is further configured to transmit a signal causing the implantable medical device to enter a test mode;
a processor configured to identify a dipole that provides at least a minimum signal quality with the implantable medical device, wherein the processor identifies the dipole that provides the at least minimum signal quality based on one or more test signals generated during the test mode; and
a test analysis module configured to present to a user an indication of the dipole identified based on the one or more test signals.
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Abstract
Aspects of the present disclosure include a medical device system including an implantable medical device and an external device with three or more electrodes configured to contact a patient'"'"'s skin. The external device either transmits or receives a test signal to or from the implantable medical device using a plurality of possible receive dipoles, where each possible receive dipole is formed by a pair of electrodes. A signal quality monitor, either at the implantable medical device or at the external device, measures a signal quality for the possible receive dipoles.
40 Citations
23 Claims
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1. An external device comprising:
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a plurality of three or more electrodes positionable at different tissue contact points on an external tissue surface of a patient; a communication unit configured to communicate with an implantable medical device via a plurality of dipoles formed by different combinations of two of the three or more electrodes, wherein the communication unit is further configured to transmit a signal causing the implantable medical device to enter a test mode; a processor configured to identify a dipole that provides at least a minimum signal quality with the implantable medical device, wherein the processor identifies the dipole that provides the at least minimum signal quality based on one or more test signals generated during the test mode; and a test analysis module configured to present to a user an indication of the dipole identified based on the one or more test signals. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A medical device system comprising:
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an implantable medical device (IMD) comprising; a first communication unit; a first processor; an external device comprising; a plurality of three or more electrodes positionable at different tissue contact points on an external tissue surface of a patient; a second communication unit configured to communicate with the IMD via a plurality of dipoles formed by different combinations of two of the three or more electrodes, wherein the second communication unit is further configured to transmit a signal causing the implantable medical device to enter a test mode; and a second processor configured to identify a dipole that provides at least a minimum signal quality with the IMD, wherein the processor identifies the dipole that provides the at least minimum signal quality based on one or more test signals generated during the test mode, wherein the processor is further configured to present to a user an indication of the dipole identified based on the one or more test signals. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16)
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17. A method comprising:
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transmitting a signal causing an implantable medical device (IMD) to enter a test mode; communicating with the IMD via a plurality of dipoles formed by different combinations of two electrodes positioned at different tissue contact points on an external tissue surface of a patient, wherein the different combinations of two electrodes are formed from a plurality of three or more electrodes; identifying a dipole that provides at least a minimum signal quality with the implantable medical device based on one or more test signals generated during the test mode; and presenting to a user an indication of the dipole identified based on the one or more test signals. - View Dependent Claims (18, 19, 20, 21, 22, 23)
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Specification