Tree-based electrical stimulator programming
First Claim
1. A method of providing electrical stimulation therapy, the method comprising:
- defining a tree structure having a plurality of levels and a plurality of nodes in each of the levels, wherein each of the nodes is interconnected with at least one of a node above or at least two nodes below in the tree structure, and each node defines respective values for a set of electrical stimulation parameters, wherein one of the electrical stimulation parameters comprises a combination of electrodes with which electrical stimulation is delivered to a patient;
defining, with a processor, a first program path through the tree structure along a series of the interconnected nodes for which efficacy of electrical stimulation therapy delivered according to the electrical stimulation parameters defined by the nodes exceeds a threshold level;
defining, with the processor, a second program path through the tree structure based on information regarding an operation of the electrodes;
selecting one of the nodes in the first program path or the second program path; and
controlling, with the processor, a medical device to deliver electrical stimulation therapy to the patient based on the parameters defined by the selected node.
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Abstract
The disclosure describes an implantable stimulation system that guides programming with a therapeutic tree. All possible stimulation parameters are arranged on the therapeutic tree, with each level of the therapeutic tree containing a different stimulation parameter type. Each level includes nodes that are connected to nodes of adjacent levels. A program path is created by moving through nodes of lower levels. The stimulation parameter types are arranged so that coarse adjustments occur at higher levels of the tree and fine adjustments occur at lower levels of the tree. The nodes of the program path define the stimulation parameters of the delivered stimulation therapy. The user may provide information such as efficacy input and/or medication dosage information to the system for identifying the most efficacious program path in treating pain of the patient. Additionally or alternatively, efficacy feedback may be received from physiological parameter sensors.
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Citations
20 Claims
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1. A method of providing electrical stimulation therapy, the method comprising:
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defining a tree structure having a plurality of levels and a plurality of nodes in each of the levels, wherein each of the nodes is interconnected with at least one of a node above or at least two nodes below in the tree structure, and each node defines respective values for a set of electrical stimulation parameters, wherein one of the electrical stimulation parameters comprises a combination of electrodes with which electrical stimulation is delivered to a patient; defining, with a processor, a first program path through the tree structure along a series of the interconnected nodes for which efficacy of electrical stimulation therapy delivered according to the electrical stimulation parameters defined by the nodes exceeds a threshold level; defining, with the processor, a second program path through the tree structure based on information regarding an operation of the electrodes; selecting one of the nodes in the first program path or the second program path; and controlling, with the processor, a medical device to deliver electrical stimulation therapy to the patient based on the parameters defined by the selected node. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A system comprising:
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a memory configured to store a tree structure having a plurality of levels and a plurality of nodes in each of the levels, wherein each of the nodes is interconnected with at least one node above or at least two nodes below in the tree structure, and each node defines respective values for a set of electrical stimulation parameters, wherein one of the electrical stimulation parameters comprises a combination of electrodes with which electrical stimulation is delivered to a patient; and a processor configured to define a first program path through the tree structure along a series of the interconnected nodes for which efficacy of electrical stimulation therapy delivered according to the electrical stimulation parameters defined by the nodes exceeds a threshold level, define a second program path through the tree structure based on information regarding an operation of the electrodes, select one of the nodes in the first program path or the second program path, and control delivery of electrical stimulation to the patient based on the parameters defined by the selected node. - View Dependent Claims (12, 13, 14, 15, 16, 17)
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18. A non-transitory computer-readable medium comprising instructions to cause a processor to:
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define a tree structure having a plurality of levels and a plurality of nodes in each of the levels, wherein each of the nodes is interconnected with at least one of a node above or at least two nodes below in the tree structure, and each node defines respective values for a set of electrical stimulation parameters, wherein one of the electrical stimulation parameters comprises a combination of electrodes with which electrical stimulation is delivered to a patient; define a first program path through the tree structure along a series of the interconnected nodes for which efficacy of electrical stimulation therapy delivered according to the electrical stimulation parameters defined by the nodes exceeds a threshold level; define a second program path through the tree structure based on information regarding an operation of the electrodes; select one of the nodes in the first program path or the second program path; and control a medical device to deliver electrical stimulation therapy to the patient based on the parameters defined by the selected node. - View Dependent Claims (19, 20)
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Specification