Home News Medtronic Navion Stent Update Medtronic Navion Stent Update 11 March 2021 An important update has been sent to Vascular Society Members today. To view this information please view the links below: Surveillance Advice for Clinicians and Patients with Medtronic Valiant Navion Thoracic Endografts Navion Letter to Patients Letter Template Medtronic Field Safety Notice Back to News