In a typical angiogram procedure, a technology called Fractional Flow Reserve (FFR) is often used to measure blood pressure differences either side of a coronary artery stenosis to determine the amount of blood flow to the heart muscle. 

This information guides the stent selection, or whether stenting is required at all. Currently, this is achieved via multiple insertions of cannulas, catheters, and guide wires. 

The Phyrari FFR-WIRE combines both FFR, through fibre optic technology, and the ability to deliver a stent, allowing the cardiologist to use it for both diagnostic purposes and delivery of therapy including stents, improving the overall efficiency of the procedure and providing beneficial outcomes to the patient.