US Patent Application 18029747. SYSTEMS AND METHODS FOR PERFORMING BLOOD FLOW VELOCITY MEASUREMENTS simplified abstract

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SYSTEMS AND METHODS FOR PERFORMING BLOOD FLOW VELOCITY MEASUREMENTS

Organization Name

KONINKLIJKE PHILIPS N.V.


Inventor(s)

RAOUL Florent of VILLE D'AVRAY (FR)

ARJEN Van Der Horst of TILBURG (NL)

ALEXANDRE This of VERSAILLES (FR)

SYSTEMS AND METHODS FOR PERFORMING BLOOD FLOW VELOCITY MEASUREMENTS - A simplified explanation of the abstract

This abstract first appeared for US patent application 18029747 titled 'SYSTEMS AND METHODS FOR PERFORMING BLOOD FLOW VELOCITY MEASUREMENTS

Simplified Explanation

The invention is a processor used in a system to measure blood flow velocity based on an angiogram.

  • An angiogram is a medical imaging technique that uses a contrast agent to visualize blood vessels.
  • The processor analyzes the angiogram to generate a velocity curve representing blood flow velocity within the vessel over the cardiac cycle.
  • The cardiac cycle refers to the sequence of events that occur during one heartbeat.
  • The processor estimates the period of the cardiac cycle and the instantaneous blood flow velocity for each frame of the angiogram.
  • It also calculates a confidence value for each frame and determines the estimated point within the cardiac cycle represented by each frame.
  • The processor uses all this information to generate the velocity curve, providing a detailed understanding of blood flow dynamics in the vessel.


Original Abstract Submitted

The invention provides a processor for use in a system for obtaining a blood flow velocity measurement based on an angiogram obtained from a subject. The angiogram is representative of a vessel including a contrast agent therein, and wherein the contrast agent has been provided to the vessel in bursts at a given average frequency, thereby providing contrast data within the angiogram. The processor generates a velocity curve representing the blood flow velocity within the vessel over the cardiac cycle based on an estimated period of the cardiac cycle, an estimated instantaneous blood flow velocity of each angiogram image frame, a calculated confidence value of each angiogram image frame and the estimated point within the cardiac cycle represented by each angiogram image frame.