Method, device and computer program for determining the blood flow in a tissue or organ region

US6853857B2 · kind B2 · utility

Assignee

• Pulsion Medical Systems AG · DE

Inventors

• Ulrich Pfeiffer · Munich, DE
• Thorsten Burger · Birkenfeld, DE
• Andreas Becker · Celle, DE

Key dates

• Filing date: Apr 30, 2002
• Grant date: Feb 8, 2005
• Expiry date: Dec 31, 2022

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61B5/0261
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

In a method, a device and a computer program for determining the blood flow in a tissue or organ region, the fluorescence intensity of an exogenous chromophore is measured as a function of time in the tissue region to be examined and from this the permeation rate of the chromophore is calculated, from which the blood flow can be derived.