1. Connector sensors for permittivity-based thrombus monitoring in extracorporeal life support

    Connector sensors for permittivity-based thrombus monitoring in extracorporeal life support

    Extracorporeal circulation is vital in cardiovascular surgery, but thrombus formation at connector interface is a major threat. Optical coherence tomography (OCT) is presently used to monitor thrombogenesis at connectors, but it is expensive to install and complex to use. This study fabricated and evaluated a connector sensor for real-time permittivity-based thrombus monitoring at tube–connector interface. Computational simulations were initially done to pre-evaluate the applicability of connector sensor. The sensor was fabricated by incorporating two stainless steel electrodes on acrylic tube for measuring permittivity changes at the tube–connector interface. OCT images were also taken from the interface at intervals ...

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