US 12,141,978 B2
System and methods for determining modified fractional flow reserve values
Paul Coates, Corte Madera, CA (US)
Assigned to Medtronic Vascular, Inc., Santa Rosa, CA (US)
Filed by MEDTRONIC VASCULAR, INC., Santa Rosa, CA (US)
Filed on Apr. 26, 2023, as Appl. No. 18/307,220.
Application 18/307,220 is a continuation of application No. 17/086,977, filed on Nov. 2, 2020, granted, now 11,645,754.
Application 17/086,977 is a continuation of application No. 16/375,076, filed on Apr. 4, 2019, granted, now 10,861,157, issued on Dec. 8, 2020.
Prior Publication US 2023/0274434 A1, Aug. 31, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. G06T 7/00 (2017.01); A61B 5/0215 (2006.01); A61B 6/00 (2006.01); A61B 6/50 (2024.01)
CPC G06T 7/0014 (2013.01) [A61B 5/0215 (2013.01); A61B 6/481 (2013.01); A61B 6/485 (2013.01); A61B 6/504 (2013.01); A61B 6/5217 (2013.01); G06T 2207/20101 (2013.01); G06T 2207/30096 (2013.01); G06T 2207/30104 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A system for determining modified fractional flow reserve values, comprising:
a computer system including at least one processor configured to execute computer instructions to:
obtain angiographic images of a coronary vascular system;
obtain blood flow measurements of the coronary vascular system;
generate, according to the angiographic images and blood flow measurements, a network model including information about the coronary vascular system;
generate a coronary vascular model according to the network model;
identify at least one lesion of interest within the coronary vascular model;
generate a modified coronary vascular model according to a removal of the lesion of interest; and
determine a modified fractional flow reserve value for the lesion of interest according to the coronary vascular model and the modified coronary vascular model.