SYSTEM AND METHOD FOR AUTOMATIC CAPTURE AND ARCHIVE OF CLINICALLY MEANINGFUL VITALS
First Claim
1. A signal quality assessment and control system for capturing and archiving monitored physiological data, the system comprising:
- a parameter value detection processing unit which receives physiological parameter signals and generates physiologically meaningful and reliable parameter data;
a signal quality assessment processing unit which receives the physiological signals, accesses quality of the physiological signals, and generates signal quality indices indicative of the assessed quality of the physiological signals; and
a waveform labeling unit which associates the signal quality indices with the physiological data.
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Abstract
Medical vital signs (110) are captured, recorded, processed, and a signal quality assessment (160) is computed based on signal waveform components such as slope, amplitude, time to rise, time at peak, and degree to which signal peaks (420) and valleys (430). The signal assessment (160) may be used as a basis for rating the quality (130) of the underlying vital signal, to increase the quality of the signal by removing noisy segments and physiologically impossible peaks (424) and valleys (434), to detect a parameter value (120), to label a waveform (140), or to prompt an alarm (550) to indicate the signal has reached a critical level and issue a warning to the user of the vital data. The signal and the assessment are stored in an indexed, searchable data storage memory (590) from which the signals may be retrieved and displayed (300).
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Citations
20 Claims
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1. A signal quality assessment and control system for capturing and archiving monitored physiological data, the system comprising:
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a parameter value detection processing unit which receives physiological parameter signals and generates physiologically meaningful and reliable parameter data; a signal quality assessment processing unit which receives the physiological signals, accesses quality of the physiological signals, and generates signal quality indices indicative of the assessed quality of the physiological signals; and a waveform labeling unit which associates the signal quality indices with the physiological data. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A signal quality assessment and control method for capturing and archiving monitored physiological data, the method comprising:
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generating physiologically meaningful and reliable parameter data from received physiological parameter signals; assessing a quality of the physiological parameter signals and generating signal quality indices indicative of the assessed quality of the physiological parameter signal; and associating each signal quality index with corresponding physiological parameter data. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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Specification