Microprocessor system for the analysis of physiologic datasets
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61B-005/00
A61B-005/08
출원번호
US-0839177
(2010-07-19)
등록번호
US-8241213
(2012-08-14)
발명자
/ 주소
Lynn, Lawrence A.
Lynn, Eric N.
출원인 / 주소
Lynn, Lawrence A.
대리인 / 주소
International IP Law Group, PLLC
인용정보
피인용 횟수 :
24인용 특허 :
143
초록▼
A system and method for organization and analysis of complex and dynamically interactive time series is disclosed. One example comprises a processor based system for relational analysis of physiologic signals for providing early recognition of catastrophic and pathologic events such as pathophysiolo
A system and method for organization and analysis of complex and dynamically interactive time series is disclosed. One example comprises a processor based system for relational analysis of physiologic signals for providing early recognition of catastrophic and pathologic events such as pathophysiologic divergence. The processor is programmed to identify pathophysiologic divergence of at least one of first and second physiologic parameters in relationship to the other and to output an indication of the divergence. An object-based method of iterative relational processing waveform fragments in the time domain is described wherein each more complex waveform object inherits the characteristics of the waveform objects from which it is derived. The first physiologic parameter can be the amplitude and frequency of the variation in chest wall impedance or nasal pressure and the second parameter can be a measure or indication of the arterial oxygen saturation.
대표청구항▼
1. A microprocessor system for evaluation of a patient, the system comprising: monitor having a first and a second sensor, wherein the monitor is positioned for positioning adjacent said patient, the first sensor obtaining first data associated a first physiologic parameter and the second sensor obt
1. A microprocessor system for evaluation of a patient, the system comprising: monitor having a first and a second sensor, wherein the monitor is positioned for positioning adjacent said patient, the first sensor obtaining first data associated a first physiologic parameter and the second sensor obtaining second data associated with a second physiologic parameter, wherein the second physiologic parameter comprises a measure of arterial oxygenation;a processor in communication with the monitor, the processor programmed to: receive the first data associated with the first physiologic parameter from the monitor;receive the second data associated with the second physiologic parameter from the monitor;produce a first timed waveform based on the first physiologic parameter of a patient;produce a second timed waveform based on the second physiologic parameter which is generally subordinate to said first physiologic parameter, so that said second physiologic parameter normally changes in response to changes in said first physiologic parameters;identify pathophysiologic divergence of at least one of said first and second physiologic parameters in relationship to the other of said physiologic parameters, the pathophysiologic divergence comprising a change that is both unexpected and pathological;automatically determine a possible dysfunction associated with the change; andoutput an indication of the dysfunction. 2. The system, as in claim 1, wherein the at least one processor is further programmed to: a) calculate an index of said pathophysiologic divergence and, b) provide an indication based on said index. 3. The system of claim 1, wherein said first physiologic parameter comprises at least one of an indication and measure of a magnitude of timed ventilation of the patient. 4. The system of claim 3, wherein said first physiologic parameters includes at least one of an amplitude and a frequency of variation in chest wall impedance. 5. The system of claim 3, wherein said first physiologic parameter includes at least one of an amplitude and a frequency of variation in nasal pressure. 6. The system of claim 3, wherein the first physiologic parameter is a measure of timed volume of at least one gaseous component of ventilation. 7. The system of claim 1, wherein said first physiologic parameter is at least one of a measure and an indication of carbon dioxide. 8. A method of monitoring a patient comprising: a processor monitoring a patient with a first sensor to produce a first timed waveform of a first physiologic parameter and a second sensor to produce a second timed waveform of a second physiologic parameter, wherein the second physiologic parameter comprises a measure of arterial oxygenation;the processor transforming the sensed physiological inputs into visual data, wherein the visual data representing a first and second waveform, and wherein the second physiologic parameter being physiologically subordinate to said first physiologic parameters;the processor identifying a pattern indicative of pathophysiologic divergence of at least one of the first waveform in relation to the second waveform, the pathophysiologic divergence comprising a change that is both unexpected and pathological; andthe processor automatically determining a possible dysfunction associated with the change; and the processor outputting an indication of the possible dysfunction. 9. The method of claim 8, wherein said first timed waveform is defined by a time interval of 5 to 20 minutes. 10. The method of claim 8 wherein said first and second timed waveforms are derived from airflow and pulse oximetry measurements. 11. The method of claim 8, comprising controlling a diagnostic and/or treatment device with a secondary processor programmed to respond to the output of said processor. 12. The method of claim 11, comprising adjusting a program of said secondary processor with said processor. 13. The method of claim 11, comprising recognizing hypopneas with said secondary processor and providing airflow with said treatment device, said processor adjusting a program of said secondary processor based on said pattern. 14. The method of claim 11 wherein said treatment device is an automatic defibrillator. 15. The method of claim 11, comprising mounting said secondary processor with said treatment and/or diagnostic device, and wherein said processor is detachable from a connection with said secondary processor. 16. The method of claim 11, comprising monitoring and analyzing a plurality of different patient related signals including electrocardiographic signals with said processor. 17. The method of claim 11, wherein said processor is a polysomnography monitor, and comprising monitoring a plurality of different signals including encephalographic signals with said processor. 18. A tangible, non-transitory computer readable medium having stored thereon computer-executable instructions for performing a method for monitoring a patient, the instructions comprising: instructions to receive a first timed waveform from a first sensor that monitors a patient, wherein the first timed waveform measures a first physiologic parameter;instructions to receive a second timed waveform from a second sensor that monitors the patient, wherein the second timed waveform measures a second physiologic parameter, the second physiologic parameter being physiologically subordinate to said first physiologic parameter, and wherein said second physiologic parameter comprises a measure of arterial oxygenation;instructions to identify a pattern indicative of a pathophysiologic divergence of the first and second timed waveforms, the pathophysiologic divergence comprising an unexpected change;instructions to determine automatically a possible dysfunction associated with the change; andinstructions to output an indication of the possible dysfunction.
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이 특허에 인용된 특허 (143)
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