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Image processing method for determining patient-specific cardiovascular information

  • US 10,354,050 B2
  • Filed: 06/29/2016
  • Issued: 07/16/2019
  • Est. Priority Date: 03/17/2009
  • Status: Active Grant
First Claim
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1. A method for determining cardiovascular information for a patient, the method comprising:

  • receiving, using at least one computer system, patient-specific data of at least a first portion of a coronary artery of a patient'"'"'s heart;

    generating, using the at least one computer system, a patient-specific geometric model of a geometry of the first portion of the patient'"'"'s coronary artery, the patient-specific geometric model being generated based on the received patient-specific data;

    generating, using the at least one computer system, a lower-order patient-specific model of blood flow through a second portion of the patient'"'"'s coronary artery downstream from the first portion, the lower-order patient-specific model having fewer dimensions than the patient-specific geometric model, the lower-order patient-specific model comprising one or more fluid dynamics equations and one or more blood flow parameters associated with blood flow through the second portion of the patient'"'"'s coronary artery downstream from the first portion;

    determining, using the at least one computer system, fluid dynamics equations governing blood flow through the patient-specific geometric model of the geometry of the first portion of the patient'"'"'s coronary artery; and

    calculating, using the at least one computer system, a value of a characteristic of blood flow through the first portion of the patient'"'"'s coronary artery by implicit closed-loop coupling and simultaneous solving of both the fluid dynamics equations governing blood flow through the patient-specific geometric model and the fluid dynamics equations governing blood flow of the lower-order patient-specific model of blood flow through the second portion.

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