Adherent device for sleep disordered breathing
First Claim
1. A system to monitor a sleep apnea and/or hypopnea of a patient, the system comprising:
- an adhesive patch to adhere to a skin of the patient;
at least four electrodes connected to the adhesive patch and capable of electrically coupling to the patient;
impedance circuitry coupled to the at least four electrodes to measure an impedance signal of the patient; and
a processor system comprising a tangible medium configured to determine a respiration rate and detect the apnea and/or hypopnea in response to the impedance signal, and to provide information about the apnea and/or hypopnea to an algorithm configured to predict decompensation.
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Accused Products
Abstract
An adherent device is configured to adhere to the skin of the patient with an adherent patch, for example breathable tape, coupled to at least four electrodes. The device comprises impedance circuitry coupled to the at least four electrodes and configured to measure respiration of the patient to detect sleep apnea and/or hypopnea. The impedance circuitry may be used to measure hydration of the patient. An accelerometer can be mechanically coupled to the adherent patch such that the accelerometer can be coupled to and move with the skin of the patient. Electrocardiogram circuitry to generate an electrocardiogram signal may be coupled to at least two of the at least four electrodes to detect the sleep apnea and/or hypopnea.
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Citations
30 Claims
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1. A system to monitor a sleep apnea and/or hypopnea of a patient, the system comprising:
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an adhesive patch to adhere to a skin of the patient; at least four electrodes connected to the adhesive patch and capable of electrically coupling to the patient; impedance circuitry coupled to the at least four electrodes to measure an impedance signal of the patient; and a processor system comprising a tangible medium configured to determine a respiration rate and detect the apnea and/or hypopnea in response to the impedance signal, and to provide information about the apnea and/or hypopnea to an algorithm configured to predict decompensation. - 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)
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26. A method of monitoring a sleep apnea of a patient, the method comprising:
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adhering an adhesive patch to a skin of the patient to couple at least four electrodes to the skin of the patient; measuring an impedance signal of the patient with impedance circuitry coupled to the at least four electrodes; determining a respiration rate from the impedance signal to detect an apnea and/or hypopnea of the patient in response to the impedance signal; and providing information about the apnea and/or hypopnea to a decompensation prediction algorithm. - View Dependent Claims (27, 28, 29, 30)
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Specification