SYSTEM AND METHOD FOR COMPUTATIONALLY DETERMINING MIGRATION OF NEUROSTIMULATION LEADS
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Abstract
A tissue stimulation system and computer software and method of monitoring a neurostimulation lead having a plurality of electrodes implanted within a patient (e.g., adjacent the spinal cord) is provided. Neurostimulation lead models are provided, each of which includes estimated electrical parameter data (e.g., electrical field potential data) corresponding to a predetermined position of the neurostimulation lead. Electrical energy is transmitted to or from the electrodes, and electrical parameter data (e.g., electrical field potential data) is measured in response to the transmitted electrical energy. The measured electrical parameter data is compared with the estimated electrical parameter data of each of the neurostimulation lead models, and a position of the neurostimulation lead is determined based on the comparison.
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Citations
90 Claims
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1-69. -69. (canceled)
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70. An external control device for use with implantable neurostimulation leads, each having a plurality of electrodes, comprising:
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memory storing a plurality of neurostimulation lead models, each of which includes estimated electrical parameter data corresponding to a predetermined relative position between the neurostimulation leads; a controller configured for transmitting electrical energy to or from the electrodes of the neurostimulation leads, and measuring electrical parameter data in response to the transmitted electrical energy; and a processor configured for comparing the measured electrical parameter data with the estimated electrical parameter data of each of the neurostimulation lead models, and determining a relative position between the neurostimulation leads based on the comparison. - View Dependent Claims (71, 72, 73, 74, 75, 76, 77, 78, 79)
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80. An external control device for use with an implantable neurostimulation lead having a plurality of electrodes, comprising:
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memory storing a plurality of neurostimulation lead models, each of which includes estimated electrical parameter data corresponding to a predetermined position of the neurostimulation lead; a controller configured for transmitting electrical energy to or from the electrodes and measuring electrical parameter data in response to the transmitted electrical energy; and a processor configured for comparing the measured electrical parameter data with the estimated electrical parameter data of each of the neurostimulation lead models, and determining a position of the neurostimulation lead based on the comparison. - View Dependent Claims (81, 82, 83, 84, 85, 86, 87, 88, 89, 90)
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Specification