Collecting posture information to evaluate therapy
First Claim
1. A method comprising:
- monitoring a signal generated by a sensor as a function of posture of a patient;
identifying a plurality of posture events based on the signal;
associating each of the posture events with a therapy parameter set currently used by a medical device to deliver a therapy to the patient when the posture event is identified; and
determining a value of a posture metric for each of a plurality of therapy parameter sets based posture events associated with the therapy parameter sets.
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Abstract
A medical device delivers a therapy to a patient. Posture events are identified, e.g., a posture of the patient is periodically determined and/or posture transitions by the patient are identified, and each determined posture event is associated with a current therapy parameter set. A value of at least one posture metric is determined for each of a plurality of therapy parameter sets based on the posture events associated with that therapy parameter set. A list of the therapy parameter sets is presented to a user, such as a clinician, for evaluation of the relative efficacy of the therapy parameter sets. The list may be ordered according to the one or more posture metric values to aid in evaluation of the therapy parameter sets. Where values are determined for a plurality of posture metrics, the list may be ordered according to the one of the posture metrics selected by the user.
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Citations
23 Claims
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1. A method comprising:
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monitoring a signal generated by a sensor as a function of posture of a patient;
identifying a plurality of posture events based on the signal;
associating each of the posture events with a therapy parameter set currently used by a medical device to deliver a therapy to the patient when the posture event is identified; and
determining a value of a posture metric for each of a plurality of therapy parameter sets based posture events associated with the therapy parameter sets. - View Dependent Claims (2, 3, 4, 5)
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6. A medical system comprising:
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a medical device that delivers a therapy to a patient;
a sensor that generates a signal as a function of posture of the patient; and
a processor that monitors the signal generated by the sensor, identifies a plurality of posture events based on the signal, associates each of the posture events with a therapy parameter set currently used by the medical device to deliver a therapy to the patient when the posture event is identified, and determines a value of a posture metric for each of a plurality of therapy parameter sets based posture events associated with the therapy parameter sets. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A medical system comprising:
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means for monitoring a signal generated by a sensor as a function of posture of a patient;
means for identifying a plurality of posture events based on the signal;
means for associating each of the posture events with a therapy parameter set currently used by a medical device to deliver a therapy to the patient when the posture event is identified; and
means for determining a value of a posture metric for each of a plurality of therapy parameter sets based posture events associated with the therapy parameter sets.
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21. A medical system comprising:
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an implantable medical device that that delivers a therapy to a patient, monitors a signal generated by a sensor as a function of posture of a patient, identifies a plurality of posture events based on the signal, and associates each of the posture events with a current therapy parameter set; and
an external programming device including a display that receives information identifying a plurality of therapy parameter sets and associated posture events from the implantable medical device via telemetry, determines a value of a posture metric for each of a plurality of therapy parameter sets based on posture events associated with the therapy parameter sets, and presents a list of the plurality of therapy parameter sets and posture metric values associated with the therapy parameter sets via the display. - View Dependent Claims (22, 23)
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Specification