Adherent device with multiple physiological sensors
First Claim
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1. An adherent device to monitor a patient, the device comprising:
- an adhesive patch configured to adhere to the skin of the patient continuously for at least seven days;
at least two electrodes connected to the patch and configured to electrically couple to the patient;
a processor system coupled to the at least two electrodes and configured to monitor a physiologic signal of the patient using the electrodes, wherein the physiologic signal includes an impedance signal related to the hydration of tissue of the patient and wherein the processor is further configured to, based at least in part on the impedance signal measured from the patient, detect an impending cardiac decompensation of the patient; and
wireless communications circuitry coupled to the processor, wherein the processor is further configured to communicate an alert via the wireless communications circuitry to a remote receiver in response to the detection of the impending cardiac decompensation.
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Abstract
An adherent device to monitor a patient comprises an adhesive patch to adhere to a skin of the patient. At least four electrodes are connected to the patch and capable of electrically coupling to the patient. Impedance circuitry is coupled to the at least four electrodes to measure a hydration signal of the patient. Electrocardiogram circuitry is coupled to at least two of the at least four electrodes to measure an electrocardiogram signal of the patient. An accelerometer can be mechanically coupled to the adhesive patch to generate a signal in response to at least one of an activity or a position of the patient.
219 Citations
26 Claims
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1. An adherent device to monitor a patient, the device comprising:
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an adhesive patch configured to adhere to the skin of the patient continuously for at least seven days; at least two electrodes connected to the patch and configured to electrically couple to the patient; a processor system coupled to the at least two electrodes and configured to monitor a physiologic signal of the patient using the electrodes, wherein the physiologic signal includes an impedance signal related to the hydration of tissue of the patient and wherein the processor is further configured to, based at least in part on the impedance signal measured from the patient, detect an impending cardiac decompensation of the patient; and wireless communications circuitry coupled to the processor, wherein the processor is further configured to communicate an alert via the wireless communications circuitry to a remote receiver in response to the detection of the impending cardiac decompensation. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A method of monitoring a patient, the method comprising:
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adhering an adherent device to the skin of the patient, the adherent device comprising an adhesive patch, at least two electrodes that contact the skin of the patient when the adherent device is adhered to the skin of the patient, a processor system, and wireless communications circuitry; monitoring, using the processor system, a physiologic signal of the patient, the physiologic signal being measured using the at least two electrodes, the physiological signal comprising an impedance signal related to the hydration of tissue of the patient; detecting, using the processor system, an impending cardiac decompensation of the patient based at least in part on the impedance signal; and communicating an alert via the wireless communications circuitry to a remote receiver in response to the detection of the impending cardiac decompensation. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26)
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Specification