Patient monitor capable of accounting for environmental conditions
First Claim
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1. A patient monitoring system configured to determine one or more measurements of one or more physiological parameters, the patient monitoring system comprising:
- an environmental conditions module configured to determine one or more environmental conditions comprising at least one of atmospheric pressure, altitude, humidity, and temperature;
a physiological sensor configured to sense light after it has passed through tissue of a patient and generate a signal indicative of one or more physiological parameters in response to the sensed light; and
a patient monitor in communication with the physiological sensor and the environmental conditions module, wherein the patient monitor is configured to;
receive the signal,determine one or more measurements of the one or more physiological parameters from the received signal, andadjust the one or more measurements of the one or more physiological parameters based at least on the determined one or more environmental conditions.
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Abstract
A patient monitoring system includes a sensor, a patient monitor and an environmental conditions module. The patient monitor receives signals indicative of measurements of physiological parameters from the sensor, as well as data indicative of one or more environmental conditions from the environmental conditions module. The patient monitor determines one or more measurements of one or more physiological parameters based on the signals received from the sensor and the data indicative of one or more environmental conditions.
813 Citations
20 Claims
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1. A patient monitoring system configured to determine one or more measurements of one or more physiological parameters, the patient monitoring system comprising:
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an environmental conditions module configured to determine one or more environmental conditions comprising at least one of atmospheric pressure, altitude, humidity, and temperature; a physiological sensor configured to sense light after it has passed through tissue of a patient and generate a signal indicative of one or more physiological parameters in response to the sensed light; and a patient monitor in communication with the physiological sensor and the environmental conditions module, wherein the patient monitor is configured to; receive the signal, determine one or more measurements of the one or more physiological parameters from the received signal, and adjust the one or more measurements of the one or more physiological parameters based at least on the determined one or more environmental conditions. - View Dependent Claims (2, 3, 4)
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5. A patient monitoring system configured to determine one or more measurements of one or more physiological parameters, the patient monitoring system comprising:
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an environmental conditions module configured to determine one or more environmental conditions, and comprising at least one of a barometer, an altimeter, a hygrometer, and a thermometer; a physiological sensor configured to sense light after it has passed through tissue of a patient and generate a signal indicative of one or more physiological parameters in response to the sensed light; and a patient monitor in communication with the physiological sensor and the environmental conditions module, wherein the patient monitor is configured to; receive the signal, determine one or more measurements of the one or more physiological parameters from the received signal, and adjust the one or more measurements of the one or more physiological parameters based at least on the determined one or more environmental conditions.
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6. A patient monitoring system configured to determine one or more measurements of one or more physiological parameters, the patient monitoring system comprising:
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a physiological sensor configured to sense light after it has passed through tissue of a patient and generate a signal indicative of one or more physiological parameters based at least on the sensed light; a patient monitor in communication with the physiological sensor; and an environmental conditions module located within the patient monitor and configured to determine one or more environmental conditions, wherein the patient monitor is configured to; receive the signal, determine one or more measurements of the one or more physiological parameters from the received signal, and adjust the one or more measurements of the one or more physiological parameters based at least on the determined one or more environmental conditions.
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7. A patient monitoring system configured to determine one or more measurements of one or more physiological parameters, the patient monitoring system comprising:
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a physiological sensor configured to sense light after it has passed through tissue of a patient and generate a signal indicative of one or more physiological parameters based at least on the sensed light; a patient monitor in communication with the physiological sensor; and an environmental conditions module in communication with the patient monitor and configured to obtain data indicative of one or more environmental conditions from at least one of a separate patient monitor, a separate computer, a user, an intranet and Internet, wherein the patient monitor is configured to; receive the signal, determine one or more measurements of the one or more physiological parameters from the received signal, and adjust the one or more measurements of the one or more physiological parameters based at least on the data indicative of one or more environmental conditions.
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8. A patient monitoring system configured to determine one or more measurements of one or more physiological parameters, the patient monitoring system comprising:
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a physiological sensor configured to sense light after it has passed through tissue of a patient and generate a signal indicative of one or more physiological parameters based at least on the sensed light; an environmental conditions module configured to determine one or more environmental conditions; and a patient monitor in communication with the physiological sensor and the environmental conditions module, wherein the patient monitor is configured to; receive the signal, determine one or more measurements of the one or more physiological parameters from the received signal, and adjust the one or more measurements of the one or more physiological parameters based at least on the determined one or more environmental conditions, wherein the patient monitor includes a lookup table comprising a plurality of values used to determine the one or more measurements of the one or more physiological parameters based at least on the one or more environmental conditions. - View Dependent Claims (9)
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10. A patient monitor configured to determine one or more measurements of one or more physiological parameters, the patient monitor comprising:
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an environmental conditions module configured to obtain data indicative of one or more environmental conditions comprising at least one of atmospheric pressure, altitude, humidity, and temperature; and a processing board in communication with a physiological sensor and the environmental conditions module, wherein the patient monitor is configured to; obtain at least one signal indicative of one or more physiological parameters from the physiological sensor, wherein the physiological sensor generates the at least one signal in response to light detected after it has passed through tissue of a patient, determine one or more measurements of one or more physiological parameters from the at least one signal, and adjust the one or more measurements of the one or more physiological parameters based at least on the data indicative of one or more environmental conditions. - View Dependent Claims (11, 12)
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13. A patient monitor configured to determine one or more measurements of one or more physiological parameters, the patient monitor comprising:
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an environmental conditions module configured to obtain data indicative of one or more environmental conditions, and comprising at least one of a barometer, an altimeter, a hygrometer, and a thermometer; and a processing board in communication with the environmental conditions module and a physiological sensor, wherein the processing board is configured to; obtain at least one signal indicative of one or more physiological parameters from the physiological sensor, wherein the physiological sensor generates the at least one signal in response to light detected after it has passed through tissue of a patient, determine one or more measurements of one or more physiological parameters from the at least one signal, and adjust the one or more measurements of the one or more physiological parameters in response to the one or more environmental conditions.
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14. A patient monitor configured to determine one or more measurements of one or more physiological parameters, the patient monitor comprising:
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a processing board in communication with a physiological sensor; and an environmental conditions module in communication with the patient monitor and configured to obtain data indicative of one or more environmental conditions from at least one of a separate processing board, a separate computer, a user, an intranet and Internet wherein the processing board is configured to; obtain at least one signal indicative of one or more physiological parameters from the physiological sensor, wherein the physiological sensor generates the at least one signal based at least on light detected after it has passed through tissue of a patient, determine one or more measurements of one or more physiological parameters from the at least one signal, and adjust the one or more measurements of the one or more physiological parameters based at least on the data indicative of one or more environmental conditions.
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15. A patient monitor configured to determine one or more measurements of one or more physiological parameters, the patient monitor comprising:
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an environmental conditions module configured to obtain data indicative of one or more environmental conditions; and a processing board in communication with the environmental conditions module and a physiological sensor, wherein the processing board is configured to; obtain at least one signal indicative of one or more physiological parameters from the physiological sensor, wherein the physiological sensor generates the at least one signal based at least on light detected after it has passed through tissue of a patient, determine one or more measurements of one or more physiological parameters from the at least one signal, and adjust the one or more measurements of the one or more physiological parameters based at least on the data indicative of one or more environmental conditions, wherein the patient monitor includes a lookup table comprising a plurality of values used to determine the one or more measurements of the one or more physiological parameters based at least on the one or more environmental conditions. - View Dependent Claims (16)
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17. A computer-implemented method for determining one or more measurements of one or more physiological parameters, the computer-implemented method comprising:
under control of one or more computing devices; obtaining data indicative of one or more environmental conditions comprising at least one of atmospheric pressure, altitude, humidity, and temperature; obtaining a signal indicative of one or more physiological parameters from a physiological sensor, wherein the physiological sensor generates the signal in response to light detected after it has passed through tissue of a patient; determining one or more measurements of the one or more physiological parameters from the signal; and adjusting the one or more measurements of the one or more physiological parameters based at least on the one or more environmental conditions. - View Dependent Claims (18, 19)
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20. A computer-implemented method for determining one or more measurements of one or more physiological parameters, the computer-implemented method comprising:
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obtaining data indicative of one or more environmental conditions from at least one of a barometer, an altimeter, a hygrometer, and a thermometer; obtaining a signal indicative of one or more physiological parameters from a physiological sensor, wherein the physiological sensor generates the signal in response to light detected after it has passed through tissue of a patient; determining one or more measurements of the one or more physiological parameters from the signal; and adjusting the one or more measurements of the one or more physiological parameters based at least on the one or more environmental conditions.
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Specification