Non-invasive method and system for measuring myocardial ischemia, stenosis identification, localization and fractional flow reserve estimation
US10362950B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 26, 2017 |
| Grant date | Jul 30, 2019 |
| Priority date | — |
| Expiry date | Jun 26, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/14551
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present disclosure facilitates the evaluation of wide-band phase gradient information of the heart tissue to assess, e.g., the presence of heart ischemic heart disease. Notably, the present disclosure provides an improved and efficient method to identify and risk stratify coronary stenosis of the heart using a high resolution and wide-band cardiac gradient obtained from the patient. The patient data are derived from the cardiac gradient waveforms across one or more leads, in some embodiments, resulting in high-dimensional data and long cardiac gradient records that exhibit complex nonlinear variability. Space-time analysis, via numeric wavelet operators, is used to study the morphology of the cardiac gradient data as a phase space dataset by extracting dynamical and geometrical properties from the phase space dataset.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.