Patent · US Active

Automated determination of arteriovenous ratio in images of blood vessels

US9924867B2 · kind B2 · utility

7Cited by

5References

21Claims

0Family size

Assignees

University of Iowa Research Foundation · US
THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE DEPARTMENT OF VETERANS AFFAIRS · US

Inventors

Michael D. Abramoff · Iowa City, US
Melndert Niemeijer · Iowa City, US
Xiayu Xu · Iowa City, US
Milan Sonka · Coralville, US
Joseph Reinhardt · University Heights, US

Key dates

Filing date	Jan 20, 2012
Grant date	Mar 27, 2018
Priority date	—
Expiry date	Jan 20, 2032

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61B3/1225
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

The methods and systems provided can automatically determine an Arteriolar-to-Venular diameter Ratio, AVR, in blood vessels, such as retinal blood vessels and other blood vessels in vertebrates. The AVR is an important predictor of increases in the risk for stroke, cerebral atrophy, cognitive decline, and myocardial infarct.

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