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FRACTIONAL FLOW RESERVE DETERMINATION
专利权人:
KONINKLIJKE PHILIPS N.V.
发明人:
Eberhard Sebastian HANSIS,Holger SCHMITT,Michael GRASS,Dirk SCHAEFER,Hanno Heyke HOMANN,Tobias KLINDER,Christian HAASE
申请号:
US15570620
公开号:
US20180286045A1
申请日:
2016.04.26
申请国别(地区):
US
年份:
2018
代理人:
摘要:
The present invention relates to a device (1) for fractional flow reserve determination, the device (1) comprising: a model source (10) configured to provide a first three-dimensional model (3DM1) of a portion of an imaged vascular vessel tree (VVT) surrounding a stenosed vessel segment (SVS) and configured to provide a second three-dimensional model (3DM2) of a pressure wire insertable into the vascular vessel tree (VVT); and a processor (20) configured to calculate a first blood flow (Q1) through the stenosed vessel segment (SVS) with the pressure wire (PW) inserted into the vascular vessel tree (VVT) based on the first and the second three-dimensional model and to calculate a second blood flow (Q2) through the stenosed vessel segment (SVS) without the pressure wire (PW) inserted into the vascular vessel tree (VVT) based on the first three-dimensional model (3DM1) and to determine a first fractional flow reserve value (FFR1) to be measured with the pressure wire (PW) inserted into the vascular vessel tree (VVT) based on the first blood flow (Q1) and to determine a second fractional flow reserve value (FFR2) to be measured without the pressure wire (PW) inserted into the vascular vessel tree (VVT) based on the second blood flow (Q1).
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