What is it about?
In this work, we report a non-drifting pressure sensor for FFR pressure sensing catheter, based on capacitive technology, and reduced number of wires by introducing sensor readout (ASIC) to the tip of the catheter.
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Why is it important?
Fractional flow reserve (FFR) index offers a cost-effective and convenient method for measuring the optimal stent deployment for patients with stenosis in a coronary artery. Clinicians are asking for FFR index catheters that are more accurate, smaller, cheaper and easier to use.
Perspectives
This new ultrathin capacitive MEMS pressure sensor die with corresponding readout ASIC circuit offers better accuracy, robustness and automated assembly for FFR catheters.
Jaakko Saarilahti
VTT Technical Research Centre of Finland Ltd
Read the Original
This page is a summary of: New pressure sensing elements for FFR coronary catheter, Journal of Medical Engineering & Technology, February 2019, Taylor & Francis,
DOI: 10.1080/03091902.2019.1615140.
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