Method and apparatus for controlling the flow of a medium

Surgery – Cardiac augmentation – With condition responsive means

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

128692, 128691, 244203, 364176, 623 3, A61M 110

Patent

active

055625967

ABSTRACT:
A quantification of approximate entropy is determined on a set of data by comparing subsets of the data. The comparison reveals the regularity and stability of similar patterns amongst subsets of the data. The comparisons perform such that the contribution of noise to measurement of the regularity and stability is minimized. Quantitative values are assigned to measure the degree of regularity and stability. From these quantitative values a single output measure is generated indicative of the amount of patternness of the sequence of data. The calculations required to determine this approximate entropy are preferably performed within a data processing system. Numerous peripheral devices may be attached to such a data processing system. The types of data for which the approximate entropy may be calculated include any sets of data wherein the amount of patternness is sought.

REFERENCES:
patent: 4018219 (1977-04-01), Hojaiban
patent: 4680708 (1987-07-01), Ambos et al.
patent: 4732157 (1988-03-01), Kaplan et al.
patent: 4802491 (1989-02-01), Cohen et al.
patent: 4932610 (1990-06-01), Maestrello
patent: 4934374 (1990-06-01), Ostlund et al.
patent: 4974162 (1990-11-01), Siegel et al.
patent: 5112292 (1992-05-01), Hwang et al.
patent: 5222698 (1993-06-01), Nelson et al.
Pincus, S. M. et al., "A Regularity Statistic for Medical Data Analysis", J. Clin. Monit. 7(4):335-345 (Oct. 1991).
Kaplan, D. T., et al., "Aging and the Complexity of Cardiovascular Dynamics", Biophys. J. 59:945-949 (Apr. 1991).
Lipsitz, L. A., "Loss of `Complexity` and Aging", JAMA, 267(13): 1806-1809 (Apr. 1, 1992).
Pincus, S. M., "Quantification of Hormone Pulsatility Via An Approximate Entropy Algorithm", Am. J. Physiol. 262 (Endocrinol. Metab. 25):E741-E754 (1992).
Pinus, S. M., "Approximate Entropy: A Regularity Measure for Fetal Heart Rate Analysis", Obstet. Gynecol. 79(2): 249-255 (Feb. 1992).
Introduction to Fluid Mechanics, 2d Ed., R. W. Fox and A. T. McDonald (John Wiley & Sons: New York 1978): 38-46, 316, 332-333, 354-367, 424-462.
Billingsley, P. Ergodic Theory and Information, New York: Wiley, 1965: pp.60-94.
Grassberger, P., and Procaccia, I. "Estimation of the Kolmogorov Entropy from a Chaotic Signal", Physical Review A, 28(4), pp. 2591-2593, 1983.
Crit. Care Med., Zbilut et al., "Decreased Heart Rate Variability in Significant Cardiac Events", vol. 16, No. 1, 1988, pp. 64-66 (abstract only).
Electroencephalogr. Clin. Neurophysical, Inouye et al., "Quantification of EEL Irregularity . . . , " vol. 79, No. 3, 1991, pp. 204-210, (abstract only).
Pincus, S. M., and Huang, W., "Approximate Entropy: Statistical Properties and Applications", Commun. Statist.--Theory Meth., 21(11), 3061-3077 (1992).
Pincus, S. M., "Approximating Markov Chains", Proc. Natl. Acad. Sci. USA 89:4432-4436 (May 1992).
Pincus, S. M., "Approximate Entropy as Measure of System Complexity", Proc. Natl. Acad. Sci. USA 88:2297-2301 (Mar. 1991).
Parer, W. J. et al., "Valdity of Mathematical Methods of Quantitating Fetal Heart Rate Variability", Am. J. Obstet. Gynecol. 153(4):402-409 (Oct. 15, 1985).
Gleick, J., Chaos: Making a New Science, Viking Penguin Inc., New York, NY (1987), 275-300.
Eckmann, J. P., and Ruelle, D., "Ergodic Theory of Chaos and Strange Attractors", Reviews of Modern Physics, 57(3), Jul. 1985.
Browne, M., "In Heartbeat, Predictbility is Worse than Chaos", New York Times, Jan. 17, 1989.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Method and apparatus for controlling the flow of a medium does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method and apparatus for controlling the flow of a medium, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for controlling the flow of a medium will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-53660

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.