Patent · US Active

Atrial fibrillation classification using power measurement

US9037223B2 · kind B2 · utility

56Cited by

41References

32Claims

0Family size

Assignee

THE REGENTS OF THE UNIVERSITY OF MICHIGAN · US

Inventors

Hakan Oral · Ann Arbor, US
Omer Berenfeld · Ann Arbor, US
Grant Kruger · Ann Arbor, US

Key dates

Filing date	Jan 10, 2013
Grant date	May 19, 2015
Priority date	—
Expiry date	Jan 10, 2033

Classification

Technology area (CPC G)Physics
CPC primaryG16H50/20
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

An atrial fibrillation classification system collects celectrocardiogram signals and converts them to a frequency, time, or phase domain representation for analysis. An evaluation stage extracts energy density profile over a range of frequencies, time intervals, or phases, which is then summed and normalized to form dispersion metrics. The system then analyzes the dispersion metrics, in their respective domains, to determine whether a patient is experiencing an arrhythmia and then to classify the type of arrhythmia being experienced.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.