Sleep detection using an adjustable threshold
First Claim
1. A method of detecting sleep, comprising:
- adjusting a sleep threshold associated with a first sleep-related signal using a second sleep-related signal;
comparing the first sleep-related signal to the adjusted threshold; and
detecting sleep based on the comparison, wherein at least one of adjusting, comparing or detecting steps is performed at least in part implantably.
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Accused Products
Abstract
Devices and methods for sleep detection involve the use of an adjustable threshold for detecting sleep onset and termination. A method for detecting sleep includes adjusting a sleep threshold associated with a first sleep-related signal using a second sleep-related signal. The first sleep-related signal is compared to the adjusted threshold and sleep is detected based on the comparison. The sleep-related signals may be derived from implantable or external sensors. Additional sleep-related signals may be used to confirm the sleep condition. A sleep detector device implementing a sleep detection method may be a component of an implantable pulse generator such as a pacemaker or defibrillator.
276 Citations
63 Claims
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1. A method of detecting sleep, comprising:
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adjusting a sleep threshold associated with a first sleep-related signal using a second sleep-related signal; comparing the first sleep-related signal to the adjusted threshold; and detecting sleep based on the comparison, wherein at least one of adjusting, comparing or detecting steps is performed at least in part implantably. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
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33. A sleep detection device, comprising:
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a first sensor configured to sense a first sleep-related signal; a second sensor configured to sense a second sleep-related signal; and a sleep detector coupled to the first and the second sensors and configured to adjust a sleep threshold associated with the first sleep-related signal using the second sleep-related signal, and to detect a sleep condition by comparing the first sleep-related signal with the adjusted threshold, wherein one of the first sensor, second sensor and sleep detector comprises an implantable component. - View Dependent Claims (34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60)
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61. A system for detecting sleep, comprising:
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means for adjusting a sleep threshold associated with a first sleep-related signal using a second sleep-related signal; means for comparing the first sleep-related signal to the adjusted threshold; and means for detecting sleep based on the comparison, wherein one of the means for adjusting, comparing or detecting comprises an implantable component. - View Dependent Claims (62, 63)
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Specification