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Evar continuous seal

Continuous Proximal Seal in a dynamic environment

To address durability, it is important to maintain the continuous seal. 1, 2

Alert Indications, Safety, and Warnings (opens new window)


Short and long-term outcomes are fostered by stent graft design elements.
Discover how we are investigating the behaviour of Endurant™ stent graft in a dynamic environment, with computational analysis.

Why should you analyze continuous proximal seal?

To address durability, it is important to maintain the continuous seal. 1,2
The 2024 latest ESVS guidelines underline  the importance of a long-term clinical follow-up.3
 
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"Understanding the dynamic behavior of the endograft and the aortic wall using computational models will allow to optimize patient care through informed and personalized device selection."

Dr. Marco Virgilio Usai
St. Franziskus-Hospital, Münster.
Healthcare professional Dr.Usai portrait

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Empowering Endurant™ II/IIs device selection with computational analysis

Computational analysis is being used in an innovative way to study and show the behavior of the stent graft in a simulated pulsatile aorta.
Medtronic has been partnering with Thornton Tomasetti, an independent global leader in performance and design evaluation, to further our understanding of stent grafts performance in a dynamic environment.
Explore new insights from Endurant™ case by Dr Usai.
 

Contact pressure

Gif featuring contact pressure Endurant

Contact area

Gif featuring contact area Endurant

Cross sections

Gif featuring Endurant contact section
gov/23914862/ Finite element analysis of the mechanical performances of 8 marketed aortic stent-grafts (.gov/23914862/) (opens new window)

Read the paper(opens new window)
org/article/S2468-4287(23)00178-8/fulltext Utilizing numerical simulations to prevent stent graft kinking during thoracic endovascular aortic repair (.org/article/S2468-4287(23)00178-8/fulltext) (opens new window)

Read the paper(opens new window)
gov/29380632/ Model reduction methodology for computational simulations of endovascular repair (.gov/29380632/) (opens new window)

View publication(opens new window)

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Continuous Seal in EVAR
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How does Endurant™ II/IIs M-Stent promote durable continuous proximal seal?

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Designed to optimize number of contact points within the first 5mm of the seal zone to deliver uniform apposition against the vessel wall.*,4,5

Self expanding nitinol, in the shape of the M-stent, applies radial force to maintain a dynamic continuous seal.*,4,5

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References

1

Lalys F, et al. J Vasc Surg. 2017 Jun;65(6):1830-1838.

2

Based on internal test report DVR7245 Design Verification Report: Endurant Stent Graft System conducted January - July 2007. 

3

Wanhainen A, Herzeele I, et al., Eur J Vasc Endovasc Surg, 67 (2024), pp. 192-331.

4

Based on internal test report DVR7245 Design Verification Report: Endurant Stent Graft System conducted January - July 2007.

5

Based on internal test report D00339012 Infrarenal Seal Zone Characterization Test Report.

6

Based on internal test report DVR7245 Design Verification Report: Endurant Stent Graft System conducted January - July 2007. 

7

Verhagen et al. The ENGAGE Registry: Ten-Year Outcomes with the Endurant Stent Graft for Endovascular Abdominal Aortic Aneurysm Repair. Presented at: Charing Cross 2023 International Symposium; April 26, 2023; London, UK.

Footnotes

*

Bench test data may not be indicative of clinical performance.

†

ENGAGE 10-year data. Data reported through 10-year time frame with full + extended cohort, determined by Clinical Event Committee.

‡

ENGAGE 10-year data. Data reported at 10-year time frame with extended cohort.