Implantable neurostimulator-implemented method for managing tachyarrhythmia through vagus nerve stimulation
First Claim
1. An implantable neurostimulator for managing tachyarrhythmias through vagus nerve stimulation, comprising:
- a pulse generator configured to couple to an electrode assembly and to generate electrical stimulation;
a processor configured to receive physiological data from a physiological sensor; and
a memory having instructions stored thereon that, when executed by the processor, cause the processor to;
store operating modes of the pulse generator in the memory, by;
defining a maintenance dose of the electrical stimulation having a duty cycle ranging from about four percent to about thirty six percent; and
defining a restorative dose of the electrical therapeutic stimulation comprising electrical pulses delivered at higher intensity than the maintenance dose;
deliver the maintenance dose at the duty cycle via the pulse generator to the electrode assembly, prior to delivering the restorative dose, prior to sensing a condition of tachyarrhythmia, and independent of cardiac cycle;
monitor a patient'"'"'s normative physiology to sense the condition of tachyarrhythmia via the processor receiving the physiological data; and
upon sensing the condition of tachyarrhythmia, switch from delivering the maintenance dose to delivering the restorative dose at a higher duty cycle than the duty cycle of the maintenance dose to the electrode assembly via the pulse generator.
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Accused Products
Abstract
An implantable neurostimulator-implemented method for managing tachyarrhythmias through vagus nerve stimulation is provided. An implantable neurostimulator, including a pulse generator, is configured to deliver electrical therapeutic stimulation in a manner that results in creation and propagation (in both afferent and efferent directions) of action potentials within neuronal fibers of a patient'"'"'s cervical vagus nerve. Operating modes of the pulse generator are stored. A maintenance dose of the electrical therapeutic stimulation is delivered to the vagus nerve via the pulse generator to restore cardiac autonomic balance through continuously-cycling, intermittent and periodic electrical pulses. A restorative dose of the electrical therapeutic stimulation is delivered to prevent initiation of or disrupt tachyarrhythmia through periodic electrical pulses delivered at higher intensity than the maintenance dose. The patient'"'"'s normative physiology is monitored via a physiological sensor, and upon sensing a condition indicative of tachyarrhythmia, is switched to delivering the restorative dose to the vagus nerve.
261 Citations
20 Claims
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1. An implantable neurostimulator for managing tachyarrhythmias through vagus nerve stimulation, comprising:
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a pulse generator configured to couple to an electrode assembly and to generate electrical stimulation; a processor configured to receive physiological data from a physiological sensor; and a memory having instructions stored thereon that, when executed by the processor, cause the processor to; store operating modes of the pulse generator in the memory, by; defining a maintenance dose of the electrical stimulation having a duty cycle ranging from about four percent to about thirty six percent; and defining a restorative dose of the electrical therapeutic stimulation comprising electrical pulses delivered at higher intensity than the maintenance dose; deliver the maintenance dose at the duty cycle via the pulse generator to the electrode assembly, prior to delivering the restorative dose, prior to sensing a condition of tachyarrhythmia, and independent of cardiac cycle; monitor a patient'"'"'s normative physiology to sense the condition of tachyarrhythmia via the processor receiving the physiological data; and upon sensing the condition of tachyarrhythmia, switch from delivering the maintenance dose to delivering the restorative dose at a higher duty cycle than the duty cycle of the maintenance dose to the electrode assembly via the pulse generator. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A non-transitory computer-readable medium comprising instructions executable by a processor of an implantable medical device to perform operations, the implantable medical device further comprising a pulse generator and a physiological sensor, the operations comprising:
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storing operating modes of the pulse generator of the implantable medical device in the non-transitory computer-readable medium, by; defining a maintenance dose of an electrical stimulation having a duty cycle ranging from about four percent to about thirty six percent; and defining a restorative dose of the electrical stimulation comprising electrical pulses delivered at higher intensity than the maintenance dose; delivering, using the pulse generator, the maintenance dose at the duty cycle, prior to delivering the restorative dose, prior to sensing a condition of tachyarrhythmia, and independent of cardiac cycle; monitoring a patient'"'"'s normative physiology to sense the condition of tachyarrhythmia via the physiological sensor; and upon sensing the condition of tachyarrhythmia, switching from delivering the maintenance dose to delivering the restorative dose at a higher duty cycle than the duty cycle of the maintenance dose. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A method for managing tachyarrhythmias through vagus nerve stimulation, comprising:
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storing operating modes for a pulse generator of an implantable medical device within a memory of the implantable medical device by; defining a maintenance dose of an electrical stimulation having a duty cycle ranging from about four percent to about thirty six percent; and defining a restorative dose of the electrical stimulation comprising electrical pulses delivered at higher intensity than the maintenance dose; delivering, using the pulse generator, the maintenance dose at the duty cycle, prior to delivering the restorative dose, prior to sensing a condition of tachyarrhythmia, and independent of cardiac cycle; monitoring, using a sensor, a patient'"'"'s normative physiology to sense the condition of tachyarrhythmia; and upon sensing the condition of tachyarrhythmia, switching from delivering the maintenance dose to delivering the restorative dose at a higher duty cycle than the duty cycle of the maintenance dose. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification