Systems and methods for monitoring neurostimulation dosing

摘要

Various implantable device embodiments may comprise a neural stimulator configured to deliver a neurostimulation therapy with stimulation ON times and stimulation OFF times where a dose of the neurostimulation therapy is provided by a number of neurostimulation pulses over a period of time. The neural stimulator may be configured to monitor the dose of the delivered neurostimulation therapy against dosing parameters. The neural stimulator may be configured to declare a fault if the monitored dose does not favorably compare to a desired dose for the neurostimulation therapy, or may be configured to record data for the monitored dose of the delivered neurostimulation therapy, or may be configured to both record data for the monitored dose of the delivered neurostimulation therapy and declare a fault if the monitored dose does not favorably compare to a desired dose for the neurostimulation therapy.

主权项

1. A method, comprising:
delivering a neurostimulation therapy, wherein a dose of the neurostimulation therapy is provided by a number of neurostimulation pulses over a period of time, and delivering the neurostimulation therapy includes using a hardware state machine with hardware registers to deliver a train of neurostimulation pulses for each of a plurality of neurostimulation bursts; monitoring the dose of the delivered neurostimulation therapy, wherein monitoring the dose of the delivered neurostimulation therapy includes providing a Burst Start Interrupt from the state machine marking a beginning of the neurostimulation bursts and a Burst Stop Interrupt from the state machine marlin an end of the neurostimulation burst and monitoring burst timing using the Burst Start Interrupt and the Burst Stop Interrupt; and performing an action including:
declaring a fault if the monitored dose does not favorably compare to a desired dose, including declaring the fault if the monitored burst timing does not favorably compare to a desired burst timing; orrecording data for the monitored dose of the delivered neurostimulation therapy, including recording data for the monitored burst timing.