Perception calibration of neural tissue using field troll
First Claim
1. A method, comprising:
- implementing a trolling routine to troll a modulation field, using an arrangement of electrodes on at least one lead, through positions within a volume of a targeted tissue including a plurality of neural tissue positions;
performing a marking procedure multiple times during the trolling routine as the modulation field is trolled through the plurality of neural tissue positions, the marking procedure being performed when the modulation field is at each of the plurality of neural tissue positions, the marking procedure to identify when the modulation field provides patient-perceived modulation, the marking procedure including;
receiving a marking signal that indicates that a modulation intensity of the modulation field achieved the patient-perceived stimulation; and
storing modulation field parameter data that affects the modulation intensity of the modulation field in response to receiving the marking signal.
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Abstract
An example of a system may include an electrode arrangement, a neural modulation generator configured to use electrodes in the electrode arrangement to generate a modulation field, a communication module configured to receive commands, a memory configured to store modulation field parameter data, and a controller configured to control the neural modulation generator to generate the modulation field. The controller may be configured to implement a trolling routine to troll the modulation field through neural tissue positions, and implement a marking routine multiple times as the modulation field is trolled through the neural tissue positions to identify when the modulation field provides patient-perceived modulation. The marking procedure implemented by the controller may receive a marking command that indicates that a modulation intensity achieved the patient-perceived modulation, and store in the memory the modulation field parameter data that affects the modulation intensity in response to receiving the marking command.
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Citations
20 Claims
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1. A method, comprising:
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implementing a trolling routine to troll a modulation field, using an arrangement of electrodes on at least one lead, through positions within a volume of a targeted tissue including a plurality of neural tissue positions; performing a marking procedure multiple times during the trolling routine as the modulation field is trolled through the plurality of neural tissue positions, the marking procedure being performed when the modulation field is at each of the plurality of neural tissue positions, the marking procedure to identify when the modulation field provides patient-perceived modulation, the marking procedure including; receiving a marking signal that indicates that a modulation intensity of the modulation field achieved the patient-perceived stimulation; and storing modulation field parameter data that affects the modulation intensity of the modulation field in response to receiving the marking signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method, comprising:
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trolling a monopolar modulation field through neural tissue positions, wherein trolling includes moving the monopolar modulation field in which; a case electrode is configured as an anode and electrodes within an arrangement of electrodes are configured as cathodes; the case electrode is configured as a cathode and electrodes within the arrangement of electrodes are configured as anodes;
orthe electrodes within the arrangement of electrodes are configured as anodes or cathodes; performing a marking process multiple times as the monopolar modulation field is trolled through the neural tissue positions, the marking process to identify when the modulation field provides patient-perceived modulation, the marking process including; receiving a titration signal that indicates an instruction to adjust modulation intensity of the monopolar modulation field; in response to receiving the titration signal adjusting a current amplitude to provide a present current amplitude for an electrode in the arrangement of electrodes; receiving a marking signal that indicates that the present current amplitude for the electrode provided the monopolar modulation field with a present modulation intensity that achieved paresthesia; storing the present current amplitude in response to receiving the marking signal; and repeating the receiving the titration signal, the adjusting, the receiving the marking signal, and the storing for subsequent electrodes in the arrangement of electrodes; estimating, using the present current amplitudes for the marking processes performed as the monopolar modulation field is trolled, relative excitation of the dorsal horn tissue as a function of the neural tissue positions along the array; and using the estimated relative excitation to program an amplitude of the current to be delivered through one or more the stimulation electrodes. - View Dependent Claims (14)
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15. A system, comprising:
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a neural modulation generator configured to use electrodes in an electrode arrangement to generate a modulation field; a communication module configured to receive commands; a memory configured to store modulation field parameter data; and a controller configured to control the neural modulation generator to generate the modulation field, the controller configured to; implement a trolling routine to troll the modulation field through positions within a volume of a targeted tissue including a plurality of neural tissue positions; and implement a marking routine multiple times during the trolling routine as the modulation field is trolled through the plurality of neural tissue positions to identify when the modulation field provides patient-perceived modulation, the marking procedure being performed when the modulation field is at each of the plurality of neural tissue positions, the marking procedure implemented by the controller to receive a marking command that indicates that a modulation intensity achieved the patient-perceived modulation, and to store in the memory the modulation field parameter data that affects the modulation intensity in response to receiving the marking command. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification