Optical-based physiological monitoring system
First Claim
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1. A physiological monitoring method comprising:
- receiving, from a non-invasive optical sensor, a first sensor signal responsive to physiological characteristics of a patient;
receiving, from a bio-potential sensor, a second sensor signal responsive to physiological characteristics of the patient;
receiving, from an additional sensor, at least a third sensor signal;
determining, by a processor and based on the first sensor signal, a first physiological parameter indicative of a level of pain of the patient;
determining, by the processor and based on the second sensor signal, a second physiological parameter indicative of a depth of consciousness of the patient;
determining, by the processor and based on at least one of the first sensor signal, the second sensor signal, or the third sensor signal, one or more additional physiological parameters indicative of at least one of the level of pain of the patient or the depth of consciousness of the patient, wherein the one or more additional physiological parameters include at least one of;
an ECG, a respiration rate, a respiratory air flow, a heart rate, or a blood pressure; and
determining, by the processor and based on the first physiological parameter, the second physiological parameter, and the one or more additional physiological parameters, a combined index indicative of both the level of pain and the depth of consciousness of the patient.
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Abstract
A non-invasive, optical-based physiological monitoring system is disclosed. In an embodiment, the non-invasive, optical-based physiological monitoring system comprises an emitter configured to emit light into a tissue site of a living patient; a detector configured to detect the emitted light after attenuation by the tissue site and output a sensor signal responsive to the detected light; and a processor configured determine, based on the sensor signal, a first physiological parameter indicative of a level of pain of the patient.
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11 Claims
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1. A physiological monitoring method comprising:
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receiving, from a non-invasive optical sensor, a first sensor signal responsive to physiological characteristics of a patient; receiving, from a bio-potential sensor, a second sensor signal responsive to physiological characteristics of the patient; receiving, from an additional sensor, at least a third sensor signal; determining, by a processor and based on the first sensor signal, a first physiological parameter indicative of a level of pain of the patient; determining, by the processor and based on the second sensor signal, a second physiological parameter indicative of a depth of consciousness of the patient; determining, by the processor and based on at least one of the first sensor signal, the second sensor signal, or the third sensor signal, one or more additional physiological parameters indicative of at least one of the level of pain of the patient or the depth of consciousness of the patient, wherein the one or more additional physiological parameters include at least one of;
an ECG, a respiration rate, a respiratory air flow, a heart rate, or a blood pressure; anddetermining, by the processor and based on the first physiological parameter, the second physiological parameter, and the one or more additional physiological parameters, a combined index indicative of both the level of pain and the depth of consciousness of the patient. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification