System for displaying oxygen state indications
First Claim
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1. A noninvasive patient monitoring system for providing an indication of a patient'"'"'s oxygen state, the system comprising:
- one or more sensors configured to output signals in response to one or more physiological parameters of the patient, the one or more sensors comprising;
one or more light emitters configured to emit light of at least two wavelengths of light into tissue of the patient;
one or more detectors configured to output the signals responsive to detected light after attenuation by the tissue of the patient;
one or more signal processors configured to receive the signals and calculate;
a first indicator indicating a level of oxygen dissolved in the patient'"'"'s blood and not bound to any hemoglobin molecule, wherein the first indicator is calculated using a ratio comparison of information of the detected light of at least a first wavelength of the at least two wavelengths of light to information of the detected light of at least a second wavelength of the at least two wavelengths of light, anda second indicator indicating an instantaneous trend of the oxygen dissolved in the patient'"'"'s blood and not bound to any hemoglobin molecule; and
a display responsive to output of the signal processors to display the first and second indicators.
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Abstract
A patient monitoring system can have a display screen or portion thereof with graphic user interface for displaying indications of a patient'"'"'s oxygen state. The indications can include the patient'"'"'s SpO2, dissolved oxygen index, and/or an increasing or decreasing trend of dissolved oxygen index. The displays of oxygen state indications can be compact, and/or able to provide direct visual information to a user of various aspects of the patient'"'"'s oxygen state. The display elements can be used to represent any other physiological parameters.
1143 Citations
18 Claims
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1. A noninvasive patient monitoring system for providing an indication of a patient'"'"'s oxygen state, the system comprising:
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one or more sensors configured to output signals in response to one or more physiological parameters of the patient, the one or more sensors comprising; one or more light emitters configured to emit light of at least two wavelengths of light into tissue of the patient; one or more detectors configured to output the signals responsive to detected light after attenuation by the tissue of the patient; one or more signal processors configured to receive the signals and calculate; a first indicator indicating a level of oxygen dissolved in the patient'"'"'s blood and not bound to any hemoglobin molecule, wherein the first indicator is calculated using a ratio comparison of information of the detected light of at least a first wavelength of the at least two wavelengths of light to information of the detected light of at least a second wavelength of the at least two wavelengths of light, and a second indicator indicating an instantaneous trend of the oxygen dissolved in the patient'"'"'s blood and not bound to any hemoglobin molecule; and a display responsive to output of the signal processors to display the first and second indicators. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A noninvasive patient monitoring system for providing an indication of a patient'"'"'s oxygen state, the system comprising:
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at least one light emitter configured to emit light of a plurality of wavelengths into the body of the patient; a light detector configured to detect the light after attenuation of the body, wherein the attenuation is responsive to oxygenation of the patient'"'"'s blood, and outputting one or more signals from the light detector, the one or more signals responsive to said attenuation; and one or more signal processors configured to; process the one or more signals to electronically calculate an indicator indicating a level of oxygen dissolved in the patient'"'"'s blood and not bound to any hemoglobin molecule, and output an alert of the indicator plateauing at a maximum value in response to an increase in oxygen supply to the patient. - View Dependent Claims (12, 13, 14, 15, 16, 17)
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18. A noninvasive patient monitoring system for providing an indication of a patient'"'"'s oxygen state, the system comprising:
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one or more sensors configured to output signals in response to one or more physiological parameters of the patient, the one or more sensors comprising; one or more light emitters configured to emit light of at least two wavelengths of light into tissue of the patient; one or more detectors configured to output the signals responsive to detected light after attenuation by the tissue of the patient; one or more signal processors configured to receive the signals and calculate the one or more physiological parameters, wherein the one or more physiological parameters include; a level of oxygen dissolved in the patient'"'"'s blood and not bound to any hemoglobin molecule, wherein the first indicator is calculated using a ratio comparison of information of the detected light of at least a first wavelength of the at least two wavelengths of light to information of the detected light of at least a second wavelength of the at least two wavelengths of light, and an instantaneous trend of the oxygen dissolved in the patient'"'"'s blood and not bound to any hemoglobin molecule; and a display responsive to output of the one or more signal processors to display the calculated one or more physiological parameters including in the form of a unitary display element, the unitary display element including a first part and a second part, wherein the first part indicates the level of oxygen dissolved in the patient'"'"'s blood and not bound to any hemoglobin molecule and the second part indicates the instantaneous trend of the oxygen dissolved in the patient'"'"'s blood and not bound to any hemoglobin molecule.
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Specification