Method for determining collateral information describingthe blood flow in collaterals, medical imaging device, computer program and electronically readable data medium

US10019799B2 · kind B2 · utility

Assignee

• Siemens Healthcare Limited · DE

Inventors

• Dirk Ertel · Forchheim, DE
• Yiannis Kyriakou · Spardorf, DE

Key dates

• Filing date: Apr 3, 2017
• Grant date: Jul 10, 2018
• Expiry date: Apr 3, 2037

Classification

• Technology area (CPC G): Physics
• CPC primary: G06T2207/30104
• WIPO field: Computer technology
• WIPO sector: Electrical engineering

Abstract

Determining collateral information describing blood flow in collaterals of a blood vessel system in a target region of a patient from a four-dimensional vascular data set describing image values of temporal flow of a contrast medium and/or marked blood constituents as recorded by a medical imaging device is provided. A method includes segmenting the blood vessel system in the vascular data set and determining collaterals among the segmented blood vessels by a collateral classifier. For all collaterals determined, a diameter of the collateral is determined taking into account the segmentation, a filling parameter describing the filling of the collaterals, and a time parameter describing the time response relative to a reference point in the blood vessel system from a temporal course of the image values in a portion of the collaterals under consideration. The method includes determining the collateral information from the diameter, the filling parameter, and the time parameter.