Medical device configuration based on sensed brain signals
First Claim
1. A method comprising:
- monitoring brain signals of a brain, in a frequency band, of a patient via an external device that includes external electrodes disposed at one or more external locations on a head of the patient; and
adjusting electrical stimulation delivered via one or more implanted electrodes to one or more locations outside of the brain based on the brain signals to affect the brain signals in another frequency band.
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Accused Products
Abstract
The invention is directed to techniques and systems in which external brain monitoring is used to facilitate implantation and configuration of an implantable medical device. The techniques may create an open loop or closed loop system in which brain signals quantify the efficacy of electrical logical stimulation (or drug therapy via an implantable drug pump) at locations outside of the brain. The techniques may be used to improve placement of leads and electrodes during an implantation procedure, and/or to select or adjust stimulation parameters either during the implantation procedure or possibly following implantation of an implantable medical device. The described techniques have applications for the alleviation of pain, but may find other applications where EEG signals can quantify the efficacy of treatment via an implantable medical device.
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Citations
62 Claims
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1. A method comprising:
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monitoring brain signals of a brain, in a frequency band, of a patient via an external device that includes external electrodes disposed at one or more external locations on a head of the patient; and adjusting electrical stimulation delivered via one or more implanted electrodes to one or more locations outside of the brain based on the brain signals to affect the brain signals in another frequency band. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A method comprising:
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monitoring brain signals in a frequency band via an external device that includes external electrodes disposed at one or more external locations on a head of the patient; and adjusting drug delivery to one or more locations outside of the brain based on the brain signals and to affect the brain signals in another frequency band. - View Dependent Claims (20)
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21. A system comprising:
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an external device that includes external electrodes configured to be disposed at one or more external locations on a head of a patient, wherein the external device externally monitors brain signals, in a specific frequency band, of a brain of a patient; one or more implantable electrodes configured to deliver electrical stimulation to one or more locations within the patient outside of the brain; and a stimulator device that generates the electrical stimulation delivered by the one or more implantable electrodes, wherein the stimulator device adjusts the electrical stimulation based on the brain signals monitored by the external device and to affect the brain signals in another frequency band. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33)
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34. A system comprising:
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an external device that includes external electrodes configured to be disposed at one or more external locations on a head of a patient, wherein the external device externally monitors brain signals, in a frequency band, of a brain of the patient; and an implantable drug pump that delivers drugs to a location outside of the brain, and adjusts drug delivery based on the brain signals monitored by the external device and to affect the brain signals in another frequency band. - View Dependent Claims (35, 36)
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37. A method comprising:
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monitoring brain signals of a brain in two different frequency bands; determining a ratio of the brain signals in two different frequency bands; and adjusting electrical stimulation delivered via one or more implanted electrodes based on the brain signals so as to adjust the ratio in a manner that alleviates pain to a patient. - View Dependent Claims (38, 39, 40)
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41. A system comprising:
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means for monitoring brain signals, in a specific frequency band, of a brain of a patient via an external device that includes external electrodes configured to be disposed at one or more external locations on a head of the patient; and means for adjusting electrical stimulation delivered via one or more implantable electrodes to one or more locations outside of the brain based on the brain signals and to affect the brain signals of another frequency band. - View Dependent Claims (42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58)
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59. A system comprising:
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means for monitoring brain signals in a frequency band via an external device that includes external electrodes configured to be disposed at one or more external locations on a head of the patient; and means for adjusting drug delivery to one or more locations outside of the brain based on the brain signals so as to affect the brain signals of another frequency band. - View Dependent Claims (60)
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61. A method comprising:
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monitoring brain signals of brains of patients via one or more external devices that include external electrodes disposed at one or more external locations on heads of the patients; adjusting therapy delivered to one or more locations outside of the brains of the patients based on the brain signals; and selecting a specific patient for treatment via an implantable medical device based on a brain response to the therapy for that specific patient. - View Dependent Claims (62)
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Specification