Differential neurostimulation therapy driven by physiological therapy
First Claim
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1. An implantable neurostimulator for treating a neurological disorder in a patient, the implantable neurostimulator comprising:
- a detection subsystem configured to;
sense an electrographic signal of the patient, anddetect a neurological event in the electrographic signal through one or more of a plurality of detection channels;
a processor configured to;
identify which one, if any, of the plurality of detection channels detected a neurological event, andselect a therapy from a plurality of possible therapies deliverable to the patient through the implantable neurostimulator, the therapy selected based on a parameter representative of a characteristic of the electrographic signal derived by the identified detection channel, and at least one of a time of detection of the neurological event and a time since a last delivery of a therapy to the patient; and
a therapy subsystem configured to deliver the selected therapy to the patient.
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Abstract
An implantable neurostimulator system adapted to provide therapy for various neurological disorders is capable of varying therapy delivery strategies based on the context, physiological or otherwise, into which the therapy is to be delivered. Responsive and scheduled therapies can be varied depending on various sensor measurements, calculations, inferences, and device states (including elapsed times and times of day) to deliver an appropriate course of therapy under the circumstances.
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Citations
20 Claims
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1. An implantable neurostimulator for treating a neurological disorder in a patient, the implantable neurostimulator comprising:
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a detection subsystem configured to; sense an electrographic signal of the patient, and detect a neurological event in the electrographic signal through one or more of a plurality of detection channels; a processor configured to; identify which one, if any, of the plurality of detection channels detected a neurological event, and select a therapy from a plurality of possible therapies deliverable to the patient through the implantable neurostimulator, the therapy selected based on a parameter representative of a characteristic of the electrographic signal derived by the identified detection channel, and at least one of a time of detection of the neurological event and a time since a last delivery of a therapy to the patient; and a therapy subsystem configured to deliver the selected therapy to the patient. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method of treating a neurological disorder in a patient through an implantable neurostimulator, the method comprising:
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sensing an electrographic signal of the patient; detecting a neurological event in the electrographic signal through one or more of a plurality of detection channels of the implantable neurostimulator; identifying which one, if any, of the plurality of detection channels detected a neurological event; selecting a therapy from a plurality of possible therapies deliverable to the patient through the implantable neurostimulator, the therapy selected based on a parameter representative of a characteristic of the electrographic signal derived by the identified detection channel, and at least one of a time of detection of the neurological event and a time since a last delivery of a therapy to the patient; and delivering the selected therapy to the patient. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification