The ACIST RXi® Rapid Exchange System enables healthcare professionals to efficiently assess the need for any intervention on their patients using physiological assessment. It is the sole micro-catheter based FFR system, utilizing the ACIST Navvus® Rapid Exchange MicroCatheter, an ultra-thin catheter that accommodates a .014″ guidewire of your choice. With its familiar rapid-exchange catheter technology, the RXi® system can be easily and swiftly utilized. The Navvus® MicroCatheter also facilitates wire positioning, streamlining pullbacks and post-PCI evaluations for an efficient workflow. Equipped with fiber-optic sensor technology, the ACIST RXi® ensures precise and consistent hemodynamic pressure measurements. Moreover, this flexible, integrated, and compact system offers added convenience.