Stimulation electrode selection
First Claim
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1. A method comprising:
- controlling a stimulation module to deliver stimulation to a brain of a patient with a first stimulation electrode combination;
receiving a first bioelectrical signal sensed by a sensing module in the brain of the patient with a first sense electrode combination that is associated with the first stimulation electrode combination;
determining a first frequency domain characteristic of the first bioelectrical signal;
receiving a second bioelectrical signal sensed by the sensing module in the brain of the patient with a second sense electrode combination that is associated with a second stimulation electrode combination;
determining a second frequency domain characteristic of the second bioelectrical signal;
comparing the first and second frequency domain characteristics; and
controlling the stimulation module to deliver stimulation to the brain of the patient with the second stimulation electrode combination based on the comparison.
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Abstract
Bioelectrical signals may be sensed within a brain of a patient with a plurality of sense electrode combinations. A stimulation electrode combination for delivering stimulation to the patient to manage a patient condition may be selected based on the frequency band characteristics of the sensed signals. In some examples, a stimulation electrode combination associated with the sense electrode combination that sensed a bioelectrical brain signal having a relatively highest relative beta band power level may be selected to deliver stimulation therapy to the patient. Other frequency bands characteristics may also be used to select the stimulation electrode combination.
80 Citations
21 Claims
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1. A method comprising:
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controlling a stimulation module to deliver stimulation to a brain of a patient with a first stimulation electrode combination; receiving a first bioelectrical signal sensed by a sensing module in the brain of the patient with a first sense electrode combination that is associated with the first stimulation electrode combination; determining a first frequency domain characteristic of the first bioelectrical signal; receiving a second bioelectrical signal sensed by the sensing module in the brain of the patient with a second sense electrode combination that is associated with a second stimulation electrode combination; determining a second frequency domain characteristic of the second bioelectrical signal; comparing the first and second frequency domain characteristics; and controlling the stimulation module to deliver stimulation to the brain of the patient with the second stimulation electrode combination based on the comparison. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A system comprising:
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a stimulation generator configured to deliver electrical stimulation to a brain of a patient with a first stimulation electrode combination; a sensing module configured to sense a first bioelectrical signal in the brain of the patient with a first sense electrode combination that is associated with the first stimulation electrode combination and sense a second bioelectrical signal in the brain of the patient with a second sense electrode combination that is associated with a second stimulation electrode combination; and a processor configured to determine a first frequency domain characteristic of the first bioelectrical signal and a second frequency domain characteristic of the second bioelectrical signal, compare the first and second frequency domain characteristics, and control the stimulation generator to deliver stimulation to the brain of the patient with the second stimulation electrode combination based on the comparison. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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19. A system comprising:
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means for controlling a stimulation generator to deliver stimulation to a brain of a patient with a first stimulation electrode combination; means for sensing a first bioelectrical signal in the brain of the patient with a first sense electrode combination that is associated with the first stimulation electrode combination; means for determining a first frequency domain characteristic of the first bioelectrical signal; means for sensing a second bioelectrical signal in the brain of the patient with a second sense electrode combination that is associated with a second stimulation electrode combination; means for determining a second frequency domain characteristic of the second bioelectrical signal; means for comparing the first and second frequency domain characteristics; and means for controlling the stimulation generator to deliver stimulation to the brain of the patient with the second stimulation electrode combination based on the comparison. - View Dependent Claims (20, 21)
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Specification