Methods for real-time autonomic nervous system monitoring using total heart rate variability, and notched windowing
US7529579B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 11, 2005 |
| Grant date | May 5, 2009 |
| Priority date | — |
| Expiry date | Feb 12, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/726
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention is a method and apparatus for non-invasive, real-time monitoring of the autonomic nervous systems. The present invention allows for monitoring of the autonomic nervous system using spectral analysis of both heart rate and respiratory signals. A preferred embodiment uses short-time Fourier transform (STFT) with a novel modified Bartlett windowing scheme in real-time so that the dynamic interactions between the sympathetic and parasympathetic divisions of the autonomic nervous system can be independently monitored. In addition, a preferred embodiment of the present invention uses the same techniques to monitor other biological or physiological data, including continuous blood pressure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.