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The ACIST RXi® system combines accurate and reliable Fractional Flow Reserve (FFR) measurements with the advantages of Rapid Exchange technology.

Navvus® ultra-thin MicroCatheter enables maximum control while maintaining wire position.

ACIST NAVVUS® RAPID EXCHANGE FFR MICROCATHETER

Maximize Control

Use with any 0.014″ guidewire to maintain wire position throughout the procedure, including pull-back assessments and post-PCI FFR measurements.

Robust Deliverability

Low profile, tapered tip enables you to navigate tortuous vessels and cross complex lesions with minimal crossing force. 18% reduced lesion entry profile, 35% reduced crossing force.*

Durable Precision

Fiber-optic sensor technology provides accurate and reproducible hemodynamic pressure measurements.** Navvus had lower mean signal drift and clinically significant drift compared to standard pressure wires.


* Compared with Navvus FFR MicroCatheter before and after processing improvement in benchtop testing. This may not be indicative of clinical performance.
** 1. Fearon WF, Chambers JW, Seto AH et al. Circ Cardiovasc Interv. December 2017;10(12):e005905.

Clinical references and product information available at acist.com.

Testimonial and procedural videos are available on