Neurostimulation with activation based on changes in body temperature
First Claim
1. A method of providing electrical neurostimulation therapy to a cranial nerve of a patient comprising:
- generating a time series of temperature data representative of a body temperature of the patient;
determining from said data at least two body temperature parameters for the patient over at least one predetermined time period, wherein said at least two body temperature parameters include first and second body temperature parameters;
comparing the at least two body temperature parameters with respective thresholds, wherein said respective thresholds include first and second thresholds; and
providing an electrical signal directly to a cranial nerve of the patient contingent upon;
(i.) said first body temperature parameter exceeding the first threshold; and
(ii.) said second body temperature parameter exceeding the second threshold.
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Abstract
Methods and devices for detecting and/or predicting onset of an undesirable physiological event or neural state, such as an epileptic seizure, facilitate rapid intervention with a treatment therapy such as neurostimulation or drug therapy. The methods and devices involve monitoring the patient'"'"'s body temperature, preferably by an implanted temperature sensor, to detect a change in a body temperature parameter over a first time period, which may comprise an increase or decrease in the patient'"'"'s body temperature, time rate of change of body temperature, moving average temperature, increase or decrease in body temperature exceeding a target temperature, elevated or reduced body temperature, or temperature stability parameter over a first time period. The sampling period may be changed manually or depending upon a sensed body parameter, including temperature. When a parameter change is detected that exceeds a threshold, neurostimulation therapy is delivered to a neural structure of the patient.
116 Citations
15 Claims
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1. A method of providing electrical neurostimulation therapy to a cranial nerve of a patient comprising:
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generating a time series of temperature data representative of a body temperature of the patient; determining from said data at least two body temperature parameters for the patient over at least one predetermined time period, wherein said at least two body temperature parameters include first and second body temperature parameters; comparing the at least two body temperature parameters with respective thresholds, wherein said respective thresholds include first and second thresholds; and providing an electrical signal directly to a cranial nerve of the patient contingent upon; (i.) said first body temperature parameter exceeding the first threshold; and (ii.) said second body temperature parameter exceeding the second threshold. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification