Sleep state classification
First Claim
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1. A method of providing therapy to a patient, comprising:
- sensing a condition associated with a sleep-wake status of a patient;
detecting the sleep-wake status based on the sensed condition;
sensing pectoral muscle tone using a sensor disposed on a cardiac rhythm management device implanted in a pectoral region of the patient;
detecting REM sleep status based on the pectoral muscle tone of the patient;
classifying one or more sleep states based on the sleep-wake status and the REM sleep status, wherein the classifying, the detecting the sleep-wake status, and the detecting REM sleep status are performed at least in part implantably; and
providing sleep state informed therapy to the patient using the sleep state classification.
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Abstract
Systems and methods for sleep state classification involve detecting conditions related to sleep, including at least one condition associated with rapid eye movement (REM) sleep. Additionally, a condition modulated by the sleep-wake status of the patient may be detected. A medical system that is partially or fully implantable incorporates sensors and circuitry for detecting and processing the sleep-related signals. A sleep state processor classifies the patient'"'"'s sleep state based on the sleep-related signals. Sleep state classification may be used in connection with the delivery of sleep state appropriate therapy, diagnostic testing, or patient monitoring.
67 Citations
36 Claims
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1. A method of providing therapy to a patient, comprising:
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sensing a condition associated with a sleep-wake status of a patient; detecting the sleep-wake status based on the sensed condition; sensing pectoral muscle tone using a sensor disposed on a cardiac rhythm management device implanted in a pectoral region of the patient; detecting REM sleep status based on the pectoral muscle tone of the patient; classifying one or more sleep states based on the sleep-wake status and the REM sleep status, wherein the classifying, the detecting the sleep-wake status, and the detecting REM sleep status are performed at least in part implantably; and providing sleep state informed therapy to the patient using the sleep state classification. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 34)
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18. An implantable cardiac rhythm management device configured to be implanted in a pectoral region of a patient, the device comprising:
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a detector system comprising a first and second sensor, the first sensor disposed on the implantable cardiac rhythm management device, the first sensor configured to sense muscle tone in the pectoral region of the patient and to detect REM sleep status based on the pectoral muscle tone, and the second sensor configured to detect sleep-wake status of the patient; a classification system coupled to the detector system and configured to classify sleep state based on the REM sleep status and the sleep-wake status; and a therapy system coupled to the classification system and configured to provide cardiac therapy to the patient based on the sleep state classification. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 35, 36)
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Specification