Heuristic safety net for transitioning configurations in a neural stimulation system
First Claim
1. A system for an electrical neurostimulator coupled to a plurality of electrodes, comprising:
- telemetry circuitry configured for communicating with the electrical neurostimulator; and
a controller/processor configured for implementing a semiautomatic programming mode to electrically steer the electric current in real-time, including defining an immediate electrode configuration, conveying electrical energy to the plurality of electrodes in accordance with the immediate electrode configuration, defining a final electrode configuration in response to a user input, automatically defining a series of intermediate electrode configurations using a heuristic set of rules based on the immediate electrode configuration and the final electrode configuration, instructing the electrical neurostimulator to convey electrical energy to the plurality of electrodes in accordance with the series of intermediate electrode configurations, and instructing the electrical neurostimulator to convey electrical energy to the plurality of electrodes in accordance with the subsequent electrode configuration, wherein the heuristic set of rules limit shifting of current between the series of intermediate electrode configurations.
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Abstract
A system and method using a plurality of electrodes. An immediate electrode configuration is defined, electrical energy is conveyed to the electrodes in accordance with the immediate electrode configuration, a final electrode configuration is defined, a series of intermediate electrode configurations is defined using a heuristic set of rules based on the immediate electrode configuration and the final electrode configuration, electrical energy is conveyed to the electrodes in accordance with the series of intermediate electrode configurations, and electrical energy is conveyed to the electrodes in accordance with the subsequent electrode configuration.
43 Citations
37 Claims
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1. A system for an electrical neurostimulator coupled to a plurality of electrodes, comprising:
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telemetry circuitry configured for communicating with the electrical neurostimulator; and a controller/processor configured for implementing a semiautomatic programming mode to electrically steer the electric current in real-time, including defining an immediate electrode configuration, conveying electrical energy to the plurality of electrodes in accordance with the immediate electrode configuration, defining a final electrode configuration in response to a user input, automatically defining a series of intermediate electrode configurations using a heuristic set of rules based on the immediate electrode configuration and the final electrode configuration, instructing the electrical neurostimulator to convey electrical energy to the plurality of electrodes in accordance with the series of intermediate electrode configurations, and instructing the electrical neurostimulator to convey electrical energy to the plurality of electrodes in accordance with the subsequent electrode configuration, wherein the heuristic set of rules limit shifting of current between the series of intermediate electrode configurations. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A method of providing therapy to a patient using a plurality of electrodes, comprising implementing a semiautomatic programming mode to electrically steer the electric current in real-time, wherein implementing the semiautomatic programming mode includes:
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defining an immediate electrode configuration; conveying electrical energy to the plurality of electrodes in accordance with the immediate electrode configuration; defining a final electrode configuration in response to a user input; and automatically defining a series of intermediate electrode configurations using a heuristic set of rules based on the immediate electrode configuration and the final electrode configuration, conveying electrical energy to the plurality of electrodes in accordance with the series of intermediate electrode configurations, and conveying electrical energy to the plurality of electrodes in accordance with the subsequent electrode configuration, wherein the heuristic set of rules limit shifting of current between the series of intermediate electrode configurations. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 37)
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35. A method of providing therapy to a patient using a plurality of electrodes, comprising:
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defining an immediate electrode configuration; conveying electrical energy to the plurality of electrodes in accordance with the immediate electrode configuration; defining a final electrode configuration; defining a series of intermediate electrode configurations using a heuristic set of rules based on the immediate electrode configuration and the final electrode configuration; conveying electrical energy to the plurality of electrodes in accordance with the series of intermediate electrode configurations; and conveying electrical energy to the plurality of electrodes in accordance with the subsequent electrode configuration, wherein the heuristic set of rules limit shifting of current between the series of intermediate electrode configurations, wherein defining the series of intermediate electrode configurations comprises repeatedly defining a next intermediate electrode configuration based on an immediate previously defined electrode configuration and the final electrode configuration until the next intermediate electrode configuration matches the final electrode configuration, wherein repeatedly defining the next intermediate electrode configuration comprises shifting anodic and/or cathodic current from the immediate previously defined electrode configuration to the next intermediate electrode configuration until the intermediate electrode configuration matches the final electrode configuration, wherein each of the electrodes has an electrical current transition between the immediate previously defined electrode configuration and the final electrode configuration that is one of the following;
no current change transition, a cathodic current increase transition, a cathodic current decrease transition, a cathodic current decrease/anodic current increase transition, an anodic current increase transition, an anodic current decrease transition, and an anodic current decrease/cathodic current increase transition, and wherein the heuristic set of rules are applied to the electrical current transitions to define the next intermediate electrode configuration, andwherein the heuristic set of rules further comprises; determining whether there exists a first electrode having the anodic current decrease/cathodic current increase transition and whether exists a second electrode having either the no current change transition or the anodic current decrease transition; and if the first and second electrodes exist, shifting anodic current from the first electrode to the second electrode. - View Dependent Claims (36)
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Specification