ELECTROMYOGRAPHY RESPONSE DETECTION SYSTEMS AND METHODS
First Claim
Patent Images
1. A system comprising:
- a stimulation management facility configured to direct an implantable stimulator to sequentially present a plurality of substantially identical stimulation events to a patient;
a recording facility communicatively coupled to the stimulation management facility and configured to record a plurality of electromyography (“
EMG”
) signals generated by a muscle in the patient and each corresponding to a presentation of a particular stimulation event included in the plurality of substantially identical stimulation events; and
an EMG signal processing facility communicatively coupled to the recording facility and configured todetermine an asynchronous component of each of the recorded EMG signals, the asynchronous components of the recorded EMG signals each being unsynchronized with the presentation of the stimulation events, andutilize the asynchronous components of the recorded EMG signals to determine whether an EMG response is evoked by the stimulation events.
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Abstract
An exemplary EMG response detection system may be configured to 1) direct an implantable stimulator to sequentially present a plurality of substantially identical stimulation events to a patient, 2) record a plurality of EMG signals generated by a muscle in the patient and each corresponding to a presentation of a particular stimulation event included in the plurality of substantially identical stimulation events, 3) determine an asynchronous component of each of the recorded EMG signals, and 4) utilize the asynchronous components of the recorded EMG signals to determine whether an EMG response is evoked by the stimulation events.
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Citations
20 Claims
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1. A system comprising:
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a stimulation management facility configured to direct an implantable stimulator to sequentially present a plurality of substantially identical stimulation events to a patient; a recording facility communicatively coupled to the stimulation management facility and configured to record a plurality of electromyography (“
EMG”
) signals generated by a muscle in the patient and each corresponding to a presentation of a particular stimulation event included in the plurality of substantially identical stimulation events; andan EMG signal processing facility communicatively coupled to the recording facility and configured to determine an asynchronous component of each of the recorded EMG signals, the asynchronous components of the recorded EMG signals each being unsynchronized with the presentation of the stimulation events, and utilize the asynchronous components of the recorded EMG signals to determine whether an EMG response is evoked by the stimulation events. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A system comprising:
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a stimulation management facility configured to direct an implantable stimulator to sequentially present a plurality of substantially identical stimulation events to a patient; a recording facility communicatively coupled to the stimulation management facility and configured to record a plurality of electromyography (“
EMG”
) signals generated by a muscle in the patient and each corresponding to a presentation of a particular stimulation event included in the plurality of substantially identical stimulation events; andan EMG signal processing facility communicatively coupled to the recording facility and configured to determine an averaged EMG signal by averaging each of the recorded EMG signals together, determine whether one or more peaks within the averaged EMG signal are above a predetermined threshold level, and determine, based on the determination of whether one or more peaks within the averaged EMG are above the predetermined threshold level, whether an EMG response is evoked by the stimulation events. - View Dependent Claims (17, 18)
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19. A method comprising:
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directing, by an electromyography (“
EMG”
) response detection system, an implantable stimulator to sequentially present a plurality of substantially identical stimulation events to a patient;recording, by the EMG response detection system, a plurality of EMG signals generated by a muscle in the patient and each corresponding to a distinct stimulation event included in the plurality of substantially identical stimulation events; determining, by the EMG response detection system, an asynchronous component of each of the recorded EMG signals, the asynchronous components of the recorded EMG signals each being unsynchronized with the presentation of the stimulation events; and utilizing, by the EMG response detection system, the asynchronous components of the recorded EMG signals to determine whether an EMG response is evoked by the stimulation events.
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20. A method comprising:
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directing, by an electromyography (“
EMG”
) response detection system, an implantable stimulator to sequentially present a plurality of substantially identical stimulation events to a patient;recording, by the EMG response detection system, a plurality of EMG signals generated by a muscle in the patient and each corresponding to a distinct stimulation event included in the plurality of substantially identical stimulation events; determining, by the EMG response detection system, an averaged EMG signal by averaging each of the recorded EMG signals together; determining, by the EMG response detection system, whether one or more peaks within the averaged EMG signal are above a predetermined threshold level; and determining, by the EMG response detection system based on the determination of whether one or more peaks within the averaged EMG are above the predetermined threshold level, whether an EMG response is evoked by the stimulation events.
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Specification