Patent Application Submitted
Opsens Inc. of Quebec City has filed
a patent application for its OptoWire diagnostic tool that can assess coronary lesions
using the fractional flow reserve (FFR) technique. The company developed the instrument
in parallel with EasyWire, also used in FFR, an index of the functional severity
of a coronary stenosis that is calculated from pressure measurements taken before
and after a narrowing of the arteries during coronary arteriography. The OptoWire
is a guide wire with a fiber optic pressure sensor that is drift-free and that provides
high-fidelity measurement of blood pressure in coronary arteries.
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