Artifact rejection using pulse quality values
First Claim
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1. A method of making pulse rate and blood pressure determinations comprising:
- collecting oscillometric blood pressure data from pulses;
determining individual quality values for feature measurements of the pulses;
obtaining an overall quality assessment based on the individual quality values;
repeating the collecting step until the overall quality assessment satisfies a threshold; and
determining blood pressure and pulse rate based on the oscillometric blood pressure data.
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Abstract
A method and system for making pulse rate and blood pressure determinations is disclosed. The method and system comprise collecting oscillometric blood pressure data from pulses, determining individual quality values for feature measurements of the pulses, obtaining an overall quality assessment based on the individual quality values, repeating the collecting step until overall quality level is satisfied, and determining blood pressure and pulse rate using the individual quality values.
33 Citations
36 Claims
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1. A method of making pulse rate and blood pressure determinations comprising:
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collecting oscillometric blood pressure data from pulses;
determining individual quality values for feature measurements of the pulses;
obtaining an overall quality assessment based on the individual quality values;
repeating the collecting step until the overall quality assessment satisfies a threshold; and
determining blood pressure and pulse rate based on the oscillometric blood pressure data. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A method of making pulse rate and blood pressure determinations comprising:
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processing oscillometric waveform data by passing a cuff pressure signal through at least one filter;
evaluating whether the oscillometric waveform data satisfies matching criteria including determining individual quality values for feature measurements of pulses, obtaining an overall quality assessment based on the individual quality values, and collecting data until a predetermined overall quality limit is satisfied; and
determining blood pressure and pulse rate based on the oscillometric waveform data. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27)
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28. An apparatus for measuring blood pressure and pulse rate comprising:
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an inflatable cuff;
a pressurizing apparatus coupled to the cuff for selectively applying pressure by inflating or deflating the cuff;
a cuff pressure sensor coupled to the cuff for sensing cuff pressure and blood pressure oscillations;
a programmed control device configured to control the pressure cuff and pressurizing apparatus, collect oscillometric blood pressure data from pulses, determine individual quality values for feature measurements of the pulses, obtain an overall quality assessment based on the individual quality values, continue to collect data until the overall quality assessment satisfies a threshold, and determine blood pressure and pulse rate based on the oscillometric blood pressure data. - View Dependent Claims (29, 30, 31, 32, 33, 34)
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35. A system for making pulse rate and blood pressure determinations comprising:
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means for collecting oscillometric blood pressure data from pulses;
means for determining individual quality values for feature measurements of the pulses;
means for obtaining an overall quality assessment based on function that weights the individual quality values;
means for collecting data until the overall quality assessment satisfies a threshold; and
means for determining blood pressure and pulse rate based on the oscillometric blood pressure data.
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36. A computer program system comprising:
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a computer useable medium having computer logic for enabling at least one processor in a computer system to make pulse rate and blood pressure determinations;
means for processing oscillometric blood pressure data by passing a cuff pressure signal through at least one filter;
means for evaluating whether the oscillometric blood pressure data meets matching criteria including determining associated individual quality values for feature measurements of the pulses, obtaining an overall quality assessment based on the individual quality values, and collecting data until a predetermined overall quality limit is met; and
means for determining blood pressure and pulse rate based on the oscillometric blood pressure data.
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Specification